페이지 276 - Torex Semiconductor Ltd 제품

부품 번호	제조업체	설명	패키지	재고
XC6109C29ANR-G	Torex Semiconductor Ltd	IC SUPERVISOR 2.9V SSOT24-4 Type: Voltage Detector Number of Voltages Monitored: 1 Output: Push-Pull, Totem Pole Reset: Active Low Reset Timeout: - Voltage - Threshold: 2.9V Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: Surface Mount Package / Case: SC-82 Supplier Device Package: SSOT-24	패키지: SC-82	재고6,528
XC6122C541ER-G	Torex Semiconductor Ltd	IC WATCHDOG TIMER 6-USP Type: Watchdog Circuit Number of Voltages Monitored: 1 Output: Open Drain or Open Collector Reset: Active Low Reset Timeout: 400 ms Typical Voltage - Threshold: 4.1V Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: Surface Mount Package / Case: 6-UFDFN Exposed Pad Supplier Device Package: 6-USPC (1.8x2)	패키지: 6-UFDFN Exposed Pad	재고6,176
XC6121A220ER-G	Torex Semiconductor Ltd	IC WATCHDOG TIMER 6-USP Type: Watchdog Circuit Number of Voltages Monitored: 1 Output: Open Drain or Open Collector Reset: Active Low Reset Timeout: 50 ms Typical Voltage - Threshold: 2V Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: Surface Mount Package / Case: 6-UFDFN Exposed Pad Supplier Device Package: 6-USPC (1.8x2)	패키지: 6-UFDFN Exposed Pad	재고7,744
XC6124E745MR-G	Torex Semiconductor Ltd	IC WATCHDOG TIMER SOT-25 Type: Watchdog Circuit Number of Voltages Monitored: 1 Output: Open Drain or Open Collector Reset: Active Low Reset Timeout: 800 ms Typical Voltage - Threshold: 4.5V Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: Surface Mount Package / Case: SC-74A, SOT-753 Supplier Device Package: SOT-25	패키지: SC-74A, SOT-753	재고3,312
XC6122D530MR-G	Torex Semiconductor Ltd	IC WATCHDOG TIMER SOT-25 Type: Watchdog Circuit Number of Voltages Monitored: 1 Output: Open Drain or Open Collector Reset: Active Low Reset Timeout: 400 ms Typical Voltage - Threshold: 3V Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: Surface Mount Package / Case: SC-74A, SOT-753 Supplier Device Package: SOT-25	패키지: SC-74A, SOT-753	재고6,544
XC6121F718MR-G	Torex Semiconductor Ltd	IC WATCHDOG TIMER SOT-25 Type: Watchdog Circuit Number of Voltages Monitored: 1 Output: Open Drain or Open Collector Reset: Active Low Reset Timeout: 800 ms Typical Voltage - Threshold: 1.8V Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: Surface Mount Package / Case: SC-74A, SOT-753 Supplier Device Package: SOT-25	패키지: SC-74A, SOT-753	재고5,280
XC6118C31CGR-G	Torex Semiconductor Ltd	IC SUPERVISOR 3.1V 4-USP Type: Voltage Detector Number of Voltages Monitored: 1 Output: Push-Pull, Totem Pole Reset: Active Low Reset Timeout: - Voltage - Threshold: 3.1V Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: Surface Mount Package / Case: 4-UDFN Exposed Pad Supplier Device Package: 4-USP (1.2x1.6)	패키지: 4-UDFN Exposed Pad	재고6,928
XC6118C20BGR-G	Torex Semiconductor Ltd	IC SUPERVISOR 2.0V 4-USP Type: Voltage Detector Number of Voltages Monitored: 1 Output: Push-Pull, Totem Pole Reset: Active Low Reset Timeout: - Voltage - Threshold: 2V Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: Surface Mount Package / Case: 4-UDFN Exposed Pad Supplier Device Package: 4-USP (1.2x1.6)	패키지: 4-UDFN Exposed Pad	재고4,048
XC6806C435DR-G	Torex Semiconductor Ltd	4.35V SINGLE CELL LI-BATTERY LIN Battery Chemistry: Lithium Ion/Polymer Number of Cells: 1 Current - Charging: Constant - Programmable Programmable Features: Current Fault Protection: Over Current, Over Temperature, Reverse Current Charge Current - Max: 385mA Battery Pack Voltage: 4.35V Voltage - Supply (Max): 5.5V Interface: USB Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: Surface Mount Package / Case: 10-UFDFN Exposed Pad Supplier Device Package: 10-USPB (2.9x2.6)	패키지: 10-UFDFN Exposed Pad	재고7,888
XC9801B283ER-G	Torex Semiconductor Ltd	STEP-UP CHARGE PUMP WITH REGULAT Function: - Output Configuration: - Topology: - Output Type: - Number of Outputs: - Voltage - Input (Min): - Voltage - Input (Max): - Voltage - Output (Min/Fixed): - Voltage - Output (Max): - Current - Output: - Frequency - Switching: - Synchronous Rectifier: - Operating Temperature: - Mounting Type: - Package / Case: - Supplier Device Package: -	패키지: -	재고2,576
XC9235G31C4R-G	Torex Semiconductor Ltd	600MA SYNCHRONOUS STEP-DOWN DCDC Function: - Output Configuration: - Topology: - Output Type: - Number of Outputs: - Voltage - Input (Min): - Voltage - Input (Max): - Voltage - Output (Min/Fixed): - Voltage - Output (Max): - Current - Output: - Frequency - Switching: - Synchronous Rectifier: - Operating Temperature: - Mounting Type: - Package / Case: - Supplier Device Package: -	패키지: -	재고5,072
XD9261A3DCER-Q	Torex Semiconductor Ltd	HISAT-COT CONTROL 1.5A SYNCHRONO Function: Step-Down Output Configuration: Positive Topology: Buck Output Type: Fixed Number of Outputs: 1 Voltage - Input (Min): 2.7V Voltage - Input (Max): 5.5V Voltage - Output (Min/Fixed): 3.35V Voltage - Output (Max): - Current - Output: 1.5A Frequency - Switching: 1.2MHz Synchronous Rectifier: Yes Operating Temperature: -40°C ~ 105°C (TA) Mounting Type: Surface Mount Package / Case: 6-UFDFN Exposed Pad Supplier Device Package: 6-USPC (1.8x2)	패키지: 6-UFDFN Exposed Pad	재고3,792
XC9142F39D0R-G	Torex Semiconductor Ltd	0.8A SYNCHRONOUS STEP-UP DC/DC C Function: - Output Configuration: - Topology: - Output Type: - Number of Outputs: - Voltage - Input (Min): - Voltage - Input (Max): - Voltage - Output (Min/Fixed): - Voltage - Output (Max): - Current - Output: - Frequency - Switching: - Synchronous Rectifier: - Operating Temperature: - Mounting Type: - Package / Case: - Supplier Device Package: -	패키지: -	재고7,920
XC9265B1014R-G	Torex Semiconductor Ltd	0.5UA ULTRA LOW QUIESCENT CURREN Function: - Output Configuration: - Topology: - Output Type: - Number of Outputs: - Voltage - Input (Min): - Voltage - Input (Max): - Voltage - Output (Min/Fixed): - Voltage - Output (Max): - Current - Output: - Frequency - Switching: - Synchronous Rectifier: - Operating Temperature: - Mounting Type: - Package / Case: - Supplier Device Package: -	패키지: -	재고2,560
XC9141D38DMR-G	Torex Semiconductor Ltd	0.8A SYNCHRONOUS STEP-UP DC/DC C Function: - Output Configuration: - Topology: - Output Type: - Number of Outputs: - Voltage - Input (Min): - Voltage - Input (Max): - Voltage - Output (Min/Fixed): - Voltage - Output (Max): - Current - Output: - Frequency - Switching: - Synchronous Rectifier: - Operating Temperature: - Mounting Type: - Package / Case: - Supplier Device Package: -	패키지: -	재고5,568
XC9281A15E0R-G	Torex Semiconductor Ltd	HISAT-COT CONTROL EXTREMELY SMAL Function: Step-Down Output Configuration: Positive Topology: Buck Output Type: Fixed Number of Outputs: 1 Voltage - Input (Min): 2.5V Voltage - Input (Max): 5.5V Voltage - Output (Min/Fixed): 1.5V Voltage - Output (Max): - Current - Output: 600mA Frequency - Switching: 6MHz Synchronous Rectifier: Yes Operating Temperature: -40°C ~ 105°C (TA) Mounting Type: Surface Mount Package / Case: 5-XFBGA, WLBGA Supplier Device Package: 5-WLP-06 (0.88x0.96)	패키지: 5-XFBGA, WLBGA	재고6,208
XC6210D312DR-G	Torex Semiconductor Ltd	700MA HIGH SPEED LDO REGULATOR Output Configuration: - Output Type: - Number of Regulators: - Voltage - Input (Max): - Voltage - Output (Min/Fixed): - Voltage - Output (Max): - Voltage Dropout (Max): - Current - Output: - Current - Quiescent (Iq): - Current - Supply (Max): - PSRR: - Control Features: - Protection Features: - Operating Temperature: - Mounting Type: - Package / Case: - Supplier Device Package: -	패키지: -	재고7,008
XC6210D09ADR-G	Torex Semiconductor Ltd	700MA HIGH SPEED LDO REGULATOR Output Configuration: - Output Type: - Number of Regulators: - Voltage - Input (Max): - Voltage - Output (Min/Fixed): - Voltage - Output (Max): - Voltage Dropout (Max): - Current - Output: - Current - Quiescent (Iq): - Current - Supply (Max): - PSRR: - Control Features: - Protection Features: - Operating Temperature: - Mounting Type: - Package / Case: - Supplier Device Package: -	패키지: -	재고2,672
XC6210A31ADR-G	Torex Semiconductor Ltd	700MA HIGH SPEED LDO REGULATOR Output Configuration: - Output Type: - Number of Regulators: - Voltage - Input (Max): - Voltage - Output (Min/Fixed): - Voltage - Output (Max): - Voltage Dropout (Max): - Current - Output: - Current - Quiescent (Iq): - Current - Supply (Max): - PSRR: - Control Features: - Protection Features: - Operating Temperature: - Mounting Type: - Package / Case: - Supplier Device Package: -	패키지: -	재고3,824
XC6210C232MR-G	Torex Semiconductor Ltd	700MA HIGH SPEED LDO REGULATOR Output Configuration: - Output Type: - Number of Regulators: - Voltage - Input (Max): - Voltage - Output (Min/Fixed): - Voltage - Output (Max): - Voltage Dropout (Max): - Current - Output: - Current - Quiescent (Iq): - Current - Supply (Max): - PSRR: - Control Features: - Protection Features: - Operating Temperature: - Mounting Type: - Package / Case: - Supplier Device Package: -	패키지: -	재고4,576
XC6210A092MR-G	Torex Semiconductor Ltd	700MA HIGH SPEED LDO REGULATOR Output Configuration: - Output Type: - Number of Regulators: - Voltage - Input (Max): - Voltage - Output (Min/Fixed): - Voltage - Output (Max): - Voltage Dropout (Max): - Current - Output: - Current - Quiescent (Iq): - Current - Supply (Max): - PSRR: - Control Features: - Protection Features: - Operating Temperature: - Mounting Type: - Package / Case: - Supplier Device Package: -	패키지: -	재고2,512
XC6501C1417R-G	Torex Semiconductor Ltd	CL CAPLESS 200MA HIGH SPEED LDO Output Configuration: - Output Type: - Number of Regulators: - Voltage - Input (Max): - Voltage - Output (Min/Fixed): - Voltage - Output (Max): - Voltage Dropout (Max): - Current - Output: - Current - Quiescent (Iq): - Current - Supply (Max): - PSRR: - Control Features: - Protection Features: - Operating Temperature: - Mounting Type: - Package / Case: - Supplier Device Package: -	패키지: -	재고6,080
XC6221B08A7R-G	Torex Semiconductor Ltd	200MA HIGH SPEED LDO REGULATOR Output Configuration: - Output Type: - Number of Regulators: - Voltage - Input (Max): - Voltage - Output (Min/Fixed): - Voltage - Output (Max): - Voltage Dropout (Max): - Current - Output: - Current - Quiescent (Iq): - Current - Supply (Max): - PSRR: - Control Features: - Protection Features: - Operating Temperature: - Mounting Type: - Package / Case: - Supplier Device Package: -	패키지: -	재고4,160
XC6224B121MR-G	Torex Semiconductor Ltd	1.2V LOW VOLTAGE OPERATION 150MA Output Configuration: - Output Type: - Number of Regulators: - Voltage - Input (Max): - Voltage - Output (Min/Fixed): - Voltage - Output (Max): - Voltage Dropout (Max): - Current - Output: - Current - Quiescent (Iq): - Current - Supply (Max): - PSRR: - Control Features: - Protection Features: - Operating Temperature: - Mounting Type: - Package / Case: - Supplier Device Package: -	패키지: -	재고2,560
XC6220D271ER-G	Torex Semiconductor Ltd	1A HIGH SPEED LDO REGULATOR WITH Output Configuration: - Output Type: - Number of Regulators: - Voltage - Input (Max): - Voltage - Output (Min/Fixed): - Voltage - Output (Max): - Voltage Dropout (Max): - Current - Output: - Current - Quiescent (Iq): - Current - Supply (Max): - PSRR: - Control Features: - Protection Features: - Operating Temperature: - Mounting Type: - Package / Case: - Supplier Device Package: -	패키지: -	재고5,232
XC6203E512FR-G	Torex Semiconductor Ltd	400MA 3 TERMINAL VOLTAGE REGULAT Output Configuration: Positive Output Type: Fixed Number of Regulators: 1 Voltage - Input (Max): 8V Voltage - Output (Min/Fixed): 5.1V Voltage - Output (Max): - Voltage Dropout (Max): 0.32V @ 200mA Current - Output: 400mA Current - Quiescent (Iq): 20µA Current - Supply (Max): - PSRR: - Control Features: - Protection Features: - Operating Temperature: -40°C ~ 85°C (TA) Mounting Type: Surface Mount Package / Case: TO-261-4, TO-261AA Supplier Device Package: SOT-223	패키지: TO-261-4, TO-261AA	재고3,232
XC6118C11AMR-G	Torex Semiconductor Ltd	VOLTAGE DETECTOR WITH SEPARATED Type: - Number of Voltages Monitored: - Output: - Reset: - Reset Timeout: - Voltage - Threshold: - Operating Temperature: - Mounting Type: - Package / Case: - Supplier Device Package: -	패키지: -	재고6,416
XC6135C39A9R-G	Torex Semiconductor Ltd	ULTRA-LOW POWER (44NA) VOLTAGE D Type: - Number of Voltages Monitored: - Output: - Reset: - Reset Timeout: - Voltage - Threshold: - Operating Temperature: - Mounting Type: - Package / Case: - Supplier Device Package: -	패키지: -	재고7,264

XC6109C29ANR-G

Torex Semiconductor Ltd

IC SUPERVISOR 2.9V SSOT24-4

Type: Voltage Detector
Number of Voltages Monitored: 1
Output: Push-Pull, Totem Pole
Reset: Active Low
Reset Timeout: -
Voltage - Threshold: 2.9V
Operating Temperature: -40°C ~ 85°C (TA)
Mounting Type: Surface Mount
Package / Case: SC-82
Supplier Device Package: SSOT-24

패키지: SC-82

재고6,528

XC6122C541ER-G

Torex Semiconductor Ltd

IC WATCHDOG TIMER 6-USP

Type: Watchdog Circuit
Number of Voltages Monitored: 1
Output: Open Drain or Open Collector
Reset: Active Low
Reset Timeout: 400 ms Typical
Voltage - Threshold: 4.1V
Operating Temperature: -40°C ~ 85°C (TA)
Mounting Type: Surface Mount
Package / Case: 6-UFDFN Exposed Pad
Supplier Device Package: 6-USPC (1.8x2)

패키지: 6-UFDFN Exposed Pad

재고6,176

XC6121A220ER-G

Torex Semiconductor Ltd

IC WATCHDOG TIMER 6-USP

Type: Watchdog Circuit
Number of Voltages Monitored: 1
Output: Open Drain or Open Collector
Reset: Active Low
Reset Timeout: 50 ms Typical
Voltage - Threshold: 2V
Operating Temperature: -40°C ~ 85°C (TA)
Mounting Type: Surface Mount
Package / Case: 6-UFDFN Exposed Pad
Supplier Device Package: 6-USPC (1.8x2)

패키지: 6-UFDFN Exposed Pad

재고7,744

XC6124E745MR-G

Torex Semiconductor Ltd

IC WATCHDOG TIMER SOT-25

Type: Watchdog Circuit
Number of Voltages Monitored: 1
Output: Open Drain or Open Collector
Reset: Active Low
Reset Timeout: 800 ms Typical
Voltage - Threshold: 4.5V
Operating Temperature: -40°C ~ 85°C (TA)
Mounting Type: Surface Mount
Package / Case: SC-74A, SOT-753
Supplier Device Package: SOT-25

패키지: SC-74A, SOT-753

재고3,312

XC6122D530MR-G

Torex Semiconductor Ltd

IC WATCHDOG TIMER SOT-25

Type: Watchdog Circuit
Number of Voltages Monitored: 1
Output: Open Drain or Open Collector
Reset: Active Low
Reset Timeout: 400 ms Typical
Voltage - Threshold: 3V
Operating Temperature: -40°C ~ 85°C (TA)
Mounting Type: Surface Mount
Package / Case: SC-74A, SOT-753
Supplier Device Package: SOT-25

패키지: SC-74A, SOT-753

재고6,544

XC6121F718MR-G

Torex Semiconductor Ltd

IC WATCHDOG TIMER SOT-25

Type: Watchdog Circuit
Number of Voltages Monitored: 1
Output: Open Drain or Open Collector
Reset: Active Low
Reset Timeout: 800 ms Typical
Voltage - Threshold: 1.8V
Operating Temperature: -40°C ~ 85°C (TA)
Mounting Type: Surface Mount
Package / Case: SC-74A, SOT-753
Supplier Device Package: SOT-25

패키지: SC-74A, SOT-753

재고5,280

XC6118C31CGR-G

Torex Semiconductor Ltd

IC SUPERVISOR 3.1V 4-USP

Type: Voltage Detector
Number of Voltages Monitored: 1
Output: Push-Pull, Totem Pole
Reset: Active Low
Reset Timeout: -
Voltage - Threshold: 3.1V
Operating Temperature: -40°C ~ 85°C (TA)
Mounting Type: Surface Mount
Package / Case: 4-UDFN Exposed Pad
Supplier Device Package: 4-USP (1.2x1.6)

패키지: 4-UDFN Exposed Pad

재고6,928

XC6118C20BGR-G

Torex Semiconductor Ltd

IC SUPERVISOR 2.0V 4-USP

Type: Voltage Detector
Number of Voltages Monitored: 1
Output: Push-Pull, Totem Pole
Reset: Active Low
Reset Timeout: -
Voltage - Threshold: 2V
Operating Temperature: -40°C ~ 85°C (TA)
Mounting Type: Surface Mount
Package / Case: 4-UDFN Exposed Pad
Supplier Device Package: 4-USP (1.2x1.6)

패키지: 4-UDFN Exposed Pad

재고4,048

XC6806C435DR-G

Torex Semiconductor Ltd

4.35V SINGLE CELL LI-BATTERY LIN

Battery Chemistry: Lithium Ion/Polymer
Number of Cells: 1
Current - Charging: Constant - Programmable
Programmable Features: Current
Fault Protection: Over Current, Over Temperature, Reverse Current
Charge Current - Max: 385mA
Battery Pack Voltage: 4.35V
Voltage - Supply (Max): 5.5V
Interface: USB
Operating Temperature: -40°C ~ 85°C (TA)
Mounting Type: Surface Mount
Package / Case: 10-UFDFN Exposed Pad
Supplier Device Package: 10-USPB (2.9x2.6)

패키지: 10-UFDFN Exposed Pad

재고7,888

XC9801B283ER-G

Torex Semiconductor Ltd

STEP-UP CHARGE PUMP WITH REGULAT

Function: -
Output Configuration: -
Topology: -
Output Type: -
Number of Outputs: -
Voltage - Input (Min): -
Voltage - Input (Max): -
Voltage - Output (Min/Fixed): -
Voltage - Output (Max): -
Current - Output: -
Frequency - Switching: -
Synchronous Rectifier: -
Operating Temperature: -
Mounting Type: -
Package / Case: -
Supplier Device Package: -

패키지: -

재고2,576

XC9235G31C4R-G

Torex Semiconductor Ltd

600MA SYNCHRONOUS STEP-DOWN DCDC

Function: -
Output Configuration: -
Topology: -
Output Type: -
Number of Outputs: -
Voltage - Input (Min): -
Voltage - Input (Max): -
Voltage - Output (Min/Fixed): -
Voltage - Output (Max): -
Current - Output: -
Frequency - Switching: -
Synchronous Rectifier: -
Operating Temperature: -
Mounting Type: -
Package / Case: -
Supplier Device Package: -

패키지: -

재고5,072

XD9261A3DCER-Q

Torex Semiconductor Ltd

HISAT-COT CONTROL 1.5A SYNCHRONO

Function: Step-Down
Output Configuration: Positive
Topology: Buck
Output Type: Fixed
Number of Outputs: 1
Voltage - Input (Min): 2.7V
Voltage - Input (Max): 5.5V
Voltage - Output (Min/Fixed): 3.35V
Voltage - Output (Max): -
Current - Output: 1.5A
Frequency - Switching: 1.2MHz
Synchronous Rectifier: Yes
Operating Temperature: -40°C ~ 105°C (TA)
Mounting Type: Surface Mount
Package / Case: 6-UFDFN Exposed Pad
Supplier Device Package: 6-USPC (1.8x2)

패키지: 6-UFDFN Exposed Pad

재고3,792

XC9142F39D0R-G

Torex Semiconductor Ltd

0.8A SYNCHRONOUS STEP-UP DC/DC C

Function: -
Output Configuration: -
Topology: -
Output Type: -
Number of Outputs: -
Voltage - Input (Min): -
Voltage - Input (Max): -
Voltage - Output (Min/Fixed): -
Voltage - Output (Max): -
Current - Output: -
Frequency - Switching: -
Synchronous Rectifier: -
Operating Temperature: -
Mounting Type: -
Package / Case: -
Supplier Device Package: -

패키지: -

재고7,920

XC9265B1014R-G

Torex Semiconductor Ltd

0.5UA ULTRA LOW QUIESCENT CURREN

Function: -
Output Configuration: -
Topology: -
Output Type: -
Number of Outputs: -
Voltage - Input (Min): -
Voltage - Input (Max): -
Voltage - Output (Min/Fixed): -
Voltage - Output (Max): -
Current - Output: -
Frequency - Switching: -
Synchronous Rectifier: -
Operating Temperature: -
Mounting Type: -
Package / Case: -
Supplier Device Package: -

패키지: -

재고2,560

XC9141D38DMR-G

Torex Semiconductor Ltd

0.8A SYNCHRONOUS STEP-UP DC/DC C

Function: -
Output Configuration: -
Topology: -
Output Type: -
Number of Outputs: -
Voltage - Input (Min): -
Voltage - Input (Max): -
Voltage - Output (Min/Fixed): -
Voltage - Output (Max): -
Current - Output: -
Frequency - Switching: -
Synchronous Rectifier: -
Operating Temperature: -
Mounting Type: -
Package / Case: -
Supplier Device Package: -

패키지: -

재고5,568

XC9281A15E0R-G

Torex Semiconductor Ltd

HISAT-COT CONTROL EXTREMELY SMAL

Function: Step-Down
Output Configuration: Positive
Topology: Buck
Output Type: Fixed
Number of Outputs: 1
Voltage - Input (Min): 2.5V
Voltage - Input (Max): 5.5V
Voltage - Output (Min/Fixed): 1.5V
Voltage - Output (Max): -
Current - Output: 600mA
Frequency - Switching: 6MHz
Synchronous Rectifier: Yes
Operating Temperature: -40°C ~ 105°C (TA)
Mounting Type: Surface Mount
Package / Case: 5-XFBGA, WLBGA
Supplier Device Package: 5-WLP-06 (0.88x0.96)

패키지: 5-XFBGA, WLBGA

재고6,208

XC6210D312DR-G

Torex Semiconductor Ltd