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        Semiconductor parts containing 643 
      in root number. Page 12.    |   | 
  
   
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Torex Semiconductor 
| Part | Description |  
| XC6121C643MR |  Voltage Detector with Watchdog Function and ON/OFF Control (VDF=1.6V~5.0V) |  
| XC6121D643EL |  Voltage Detector with Watchdog Function and ON/OFF Control (VDF=1.6V~5.0V) |  
| XC6121D643MR |  Voltage Detector with Watchdog Function and ON/OFF Control (VDF=1.6V~5.0V) |  
| XC6121E643EL |  Voltage Detector with Watchdog Function and ON/OFF Control (VDF=1.6V~5.0V) |  
| XC6121E643ML |  Voltage Detector with Watchdog Function and ON/OFF Control (VDF=1.6V~5.0V) |  
| XC6121F643EL |  Voltage Detector with Watchdog Function and ON/OFF Control (VDF=1.6V~5.0V) |  
| XC6121F643ER | Voltage Detector with Watchdog Function and ON/OFF Control (VDF=1.6V~5.0V) |  
| XC6122A643EL | Voltage Detector with Watchdog Function and ON/OFF Control (VDF=1.6V~5.0V) |  
| XC6122A643ER | Voltage Detector with Watchdog Function and ON/OFF Control (VDF=1.6V~5.0V) |  
| XC6122A643ML |  Voltage Detector with Watchdog Function and ON/OFF Control (VDF=1.6V~5.0V) |  
| XC6122C643ER | Voltage Detector with Watchdog Function and ON/OFF Control (VDF=1.6V~5.0V) |  
| XC6122C643ML | Voltage Detector with Watchdog Function and ON/OFF Control (VDF=1.6V~5.0V) |  
| XC6122D643EL |  Voltage Detector with Watchdog Function and ON/OFF Control (VDF=1.6V~5.0V) |  
| XC6122D643ER |  Voltage Detector with Watchdog Function and ON/OFF Control (VDF=1.6V~5.0V) |  
| XC6122D643ML |  Voltage Detector with Watchdog Function and ON/OFF Control (VDF=1.6V~5.0V) |  
| XC6122E643EL |  Voltage Detector with Watchdog Function and ON/OFF Control (VDF=1.6V~5.0V) |  
| XC6122E643ML | Voltage Detector with Watchdog Function and ON/OFF Control (VDF=1.6V~5.0V) |  
| XC6122F643EL | Voltage Detector with Watchdog Function and ON/OFF Control (VDF=1.6V~5.0V) |  
| XC6123A643EL | Voltage Detector with Watchdog Function and ON/OFF Control (VDF=1.6V~5.0V) |  
| XC6123A643ML | Voltage Detector with Watchdog Function and ON/OFF Control (VDF=1.6V~5.0V) |  
| XC6123C643ER |  Voltage Detector with Watchdog Function and ON/OFF Control (VDF=1.6V~5.0V) |  
| XC6123C643ML | Voltage Detector with Watchdog Function and ON/OFF Control (VDF=1.6V~5.0V) |  
| XC6123D643ML | Voltage Detector with Watchdog Function and ON/OFF Control (VDF=1.6V~5.0V) |  
| XC6123D643MR | Voltage Detector with Watchdog Function and ON/OFF Control (VDF=1.6V~5.0V) |  
| XC6123E643EL | Voltage Detector with Watchdog Function and ON/OFF Control (VDF=1.6V~5.0V) |  
| XC6123E643ML | Voltage Detector with Watchdog Function and ON/OFF Control (VDF=1.6V~5.0V) |  
| XC6123E643MR | Voltage Detector with Watchdog Function and ON/OFF Control (VDF=1.6V~5.0V) |  
| XC6123F643ER | Voltage Detector with Watchdog Function and ON/OFF Control (VDF=1.6V~5.0V) |  
| XC6123F643MR | Voltage Detector with Watchdog Function and ON/OFF Control (VDF=1.6V~5.0V) |  
| XC6124A643ML | Voltage Detector with Watchdog Function and ON/OFF Control (VDF=1.6V~5.0V) |  
| XC6124A643MR |  Voltage Detector with Watchdog Function and ON/OFF Control (VDF=1.6V~5.0V) |  
| XC6124C643EL |  Voltage Detector with Watchdog Function and ON/OFF Control (VDF=1.6V~5.0V) |  
| XC6124C643ER | Voltage Detector with Watchdog Function and ON/OFF Control (VDF=1.6V~5.0V) |  
| XC6124D643ER |  Voltage Detector with Watchdog Function and ON/OFF Control (VDF=1.6V~5.0V) |  
| XC6124D643ML | Voltage Detector with Watchdog Function and ON/OFF Control (VDF=1.6V~5.0V) |  
| XC6124E643EL | Voltage Detector with Watchdog Function and ON/OFF Control (VDF=1.6V~5.0V) |  
| XC6124E643ER | Voltage Detector with Watchdog Function and ON/OFF Control (VDF=1.6V~5.0V) |  
| XC6124E643MR | Voltage Detector with Watchdog Function and ON/OFF Control (VDF=1.6V~5.0V) |  
| XC6124F643EL | Voltage Detector with Watchdog Function and ON/OFF Control (VDF=1.6V~5.0V) |  
| XC6124F643ER | Voltage Detector with Watchdog Function and ON/OFF Control (VDF=1.6V~5.0V) |  
| XC6124F643ML | Voltage Detector with Watchdog Function and ON/OFF Control (VDF=1.6V~5.0V) |  
| XC6124F643MR | Voltage Detector with Watchdog Function and ON/OFF Control (VDF=1.6V~5.0V) |  
  
Toshiba 
| Part | Description |  
| 2SC2643 | Silicon NPN transistor for UHF band power amplifier applications |  
| 2SK643 | N-Channel Enhancement MOSFET |  
| TA76431 | ADJUSTABLE PRECISION SHUNT REGULATOR |  
| TA76431AF | Adjustable precision shunt regulator |  
| TA76431AS | Adjustable precision shunt regulator |  
| TA76431F_06 | Adjustable Precision Shunt Regulator |  
| TA76431F | Adjustable precision shunt regulator |  
| TA76431FR |  Adjustable Precision Shunt Regulator |  
| TA76431S_06 | Adjustable Precision Shunt Regulator |  
| TA76431S | Adjustable precision shunt regulator |  
| TA76432AFR | 1.26-V Adjustable High-Precision Shunt Regulators |  
| TA76432AFT | 1.26-V Adjustable High-Precision Shunt Regulators |  
| TA76432AS | 1.26-V Adjustable High-Precision Shunt Regulators |  
| TA76432F | 1.26-V Adjustable High-Precision Shunt Regulators |  
| TA76432FC | 1.26-V Adjustable High-Precision Shunt Regulators |  
| TA76432FR | 1.26-V Adjustable High-Precision Shunt Regulators |  
| TA76432FT_06 | 1.26-V Adjustable High-Precision Shunt Regulators |  
| TA76432FT | 1.26-V Adjustable High-Precision Shunt Regulators |  
| TA76432S | 1.26-V Adjustable High-Precision Shunt Regulators |  
| TA76433FC | TOSHIBA Bipolar Linear Integrated Circuit Silicon Monolithic |  
| TC74AC643F | 8-Bit Bus Transceiver with inverting 3-state outputs |  
| TC74AC643FW | 8-Bit Bus Transceiver with inverting 3-state outputs |  
| TC74AC643P | 8-Bit Bus Transceiver with inverting 3-state outputs |  
| TC74HC643AF | 8-Bit Bus Transceiver with inverting 3-state outputs |  
| TC74HC643AP | 8-Bit Bus Transceiver with inverting 3-state outputs |  
| TC74HC643F | 8-Bit Bus Transceiver with inverting 3-state outputs |  
| TC74HC643P | 8-Bit Bus Transceiver with inverting 3-state outputs |  
| TC74HC7643AF | 8-Bit Bus Transceiver with inverting 3-state outputs |  
| TC74HC7643AP | 8-Bit Bus Transceiver with inverting 3-state outputs |  
| TC74HCT643AF | 8-Bit Bus Transceiver with inverting 3-state outputs |  
| TC74HCT643AFW | 8-Bit Bus Transceiver with inverting 3-state outputs |  
| TC74HCT643AP | 8-Bit Bus Transceiver with inverting 3-state outputs |  
| TC74HCT643F | 8-Bit Bus Transceiver with inverting 3-state outputs |  
| TC74HCT643P | 8-Bit Bus Transceiver with inverting 3-state outputs |  
| YTF643 | MOSFETs and TempFETs |  
  
TRNSR 
| Part | Description |  
| DTL1643 | 1.0A Ic Low frequency power silicon NPN transistor |  
  
TRSYS 
 
TRW 
| Part | Description |  
| A2S643 | UHF/Microwave Mixer Diode |  
  
USHA 
| Part | Description |  
| 2SA643 | Low frequency power amplifier. Collector-base voltage: Vcbo = -40V. Collector-emitter voltage: Vceo = -20V. Emitter-base voltage Vebo = -5V. Collector dissipation: Pc(max) = 500mW. |  
  
VICOR 
 
VISAY 
| Part | Description |  
| 222215364331 | Aluminum Capacitors SMD (Chip) Long Life Vertical |  
| 222215364339 | Aluminum Capacitors SMD (Chip) Long Life Vertical |  
| DG643 | Low On-Resistance Wideband/Video Switches |  
| DG643DJ | Low on-resistance wideband/video switches |  
| DG643DY | Low on-resistance wideband/video switches |  
| MAL203864332E3 |  Aluminum Capacitors Radial Standard Ultra Miniature |  
| MAL204664331E3 | Aluminum Capacitors Radial, Standard Long-Life |  
| MAL204864332E3 | Aluminum Capacitors Radial Miniature Long Life |  
| MAL211664331E3 |  Aluminum Capacitors Radial Long Life |  
| MAL212364331 | Aluminum Capacitors Solid Axial |  
| MAL212364339 | Aluminum Capacitors Solid Axial |  
| MAL214864332E3 |  Aluminum Capacitors Radial, Ultra High CV per Volume, Semi-Professional |  
| MDRC1643500GD04 |  Resistor/Capacitor Networks, Dual-In-Line, Molded DIP, 16 Pin |  
| MDRC1643500GE04 |  Resistor/Capacitor Networks, Dual-In-Line, Molded DIP, 16 Pin |  
| MDRC1643500JD04 |  Resistor/Capacitor Networks, Dual-In-Line, Molded DIP, 16 Pin |  
| MDRC1643500SE04 |  Resistor/Capacitor Networks, Dual-In-Line, Molded DIP, 16 Pin |  
| MDRC1643511GE04 | Resistor/Capacitor Networks, Dual-In-Line, Molded DIP, 16 Pin |  
| MDRC1643511SD04 | Resistor/Capacitor Networks, Dual-In-Line, Molded DIP, 16 Pin |  
| MDRC1643511SE04 |  Resistor/Capacitor Networks, Dual-In-Line, Molded DIP, 16 Pin |  
| MDRC1643680JE04 | Resistor/Capacitor Networks, Dual-In-Line, Molded DIP, 16 Pin |  
| MDRC1643680SE04 | Resistor/Capacitor Networks, Dual-In-Line, Molded DIP, 16 Pin |  
| MKP33864332 |  Interference Suppression Film Capacitors MKP Radial Potted Type |  
| MKP33864392 |  Interference Suppression Film Capacitors MKP Radial Potted Type |  
| SI6433BDQ | P-Channel 2.5-V (G-S) MOSFET |  
| SI6434DQ | N-Channel 30-V (D-S) MOSFET |  
| SI6435ADQ_08 |  P-Channel 30-V (D-S) MOSFET |  
| SI6435ADQ | P-Channel 30-V (D-S) MOSFET |  
| SI6436DQ | N-Channel 30-V (D-S) Rated MOSFET |  
  
VML 
 
VTC Inc. 
| Part | Description |  
| V54ACT643D | 8-Bit Bus Transceiver with inverting 3-state outputs |  
| V54ACT643DL | 8-Bit Bus Transceiver with inverting 3-state outputs |  
| V74ACT643D | 8-Bit Bus Transceiver with inverting 3-state outputs |  
| V74ACT643DL | 8-Bit Bus Transceiver with inverting 3-state outputs |  
| V74ACT643P | 8-Bit Bus Transceiver with inverting 3-state outputs |  
| V74ACT643PL | 8-Bit Bus Transceiver with inverting 3-state outputs |  
| V74ACT643PO | 8-Bit Bus Transceiver with inverting 3-state outputs |  
| VB74ACT643D | 8-Bit Bus Transceiver with inverting 3-state outputs |  
| VB74ACT643DL | 8-Bit Bus Transceiver with inverting 3-state outputs |  
| VB74ACT643P | 8-Bit Bus Transceiver with inverting 3-state outputs |  
| VB74ACT643PL | 8-Bit Bus Transceiver with inverting 3-state outputs |  
| VB74ACT643PO | 8-Bit Bus Transceiver with inverting 3-state outputs |  
| VJ54ACT643D | 8-Bit Bus Transceiver with inverting 3-state outputs |  
| VJ54ACT643DL | 8-Bit Bus Transceiver with inverting 3-state outputs |  
| VM716430SPOJ | Disk Circuit |  
| VM716430SSSJ | Disk Circuit |  
| VM716430SVSJ | Disk Circuit |  
  
Winbond Electronics 
| Part | Description |  
| W946432AD | 512K X 4 BANKS X 32 BITS DDR SDRAM |  
| W986432AH | 512K * 4 banks * 32 bits high speed synchronous dinamic RAM |  
| W986432DH | 512K ?? 4 BANKS ?? 32 BITS SDRAM |  
  
XICOR 
| Part | Description |  
| X25643 | Programmable Watchdog Timer & V CC Supervisory Circuit w/Serial E 2 PROM |  
| X25643S14-1.8 |  Programmable Watchdog Timer & V CC Supervisory Circuit w/Serial E 2 PROM |  
| X25643S14-1,8 | Programmable watchdog timer & Vcc supervisory circuit w/serial E2PROM |  
| X25643S14-2.7 | Programmable Watchdog Timer & V CC Supervisory Circuit w/Serial E 2 PROM |  
| X25643S14-2,7 | Programmable watchdog timer & Vcc supervisory circuit w/serial E2PROM |  
| X25643S14 | Programmable watchdog timer & Vcc supervisory circuit w/serial E2PROM |  
| X25643S14I-1.8 | Programmable Watchdog Timer & V CC Supervisory Circuit w/Serial E 2 PROM |  
| X25643S14I-1,8 | Programmable watchdog timer & Vcc supervisory circuit w/serial E2PROM |  
| X25643S14I-2,7 | Programmable watchdog timer & Vcc supervisory circuit w/serial E2PROM |  
| X25643S14I | Programmable watchdog timer & Vcc supervisory circuit w/serial E2PROM |  
| X25643S8-1,8 | Programmable watchdog timer & Vcc supervisory circuit w/serial E2PROM |  
| X25643S8-2.7 | Programmable Watchdog Timer & V CC Supervisory Circuit w/Serial E 2 PROM |  
| X25643S8-2,7 | Programmable watchdog timer & Vcc supervisory circuit w/serial E2PROM |  
| X25643S8 | Programmable watchdog timer & Vcc supervisory circuit w/serial E2PROM |  
| X25643S8I-1.8 | Programmable Watchdog Timer & V CC Supervisory Circuit w/Serial E 2 PROM |  
| X25643S8I-1,8 | Programmable watchdog timer & Vcc supervisory circuit w/serial E2PROM |  
| X25643S8I-2.7 |  Programmable Watchdog Timer & V CC Supervisory Circuit w/Serial E 2 PROM |  
| X25643S8I-2,7 | Programmable watchdog timer & Vcc supervisory circuit w/serial E2PROM |  
| X25643S8I | Programmable watchdog timer & Vcc supervisory circuit w/serial E2PROM |  
| X25643V14-1.8 | Programmable Watchdog Timer & V CC Supervisory Circuit w/Serial E 2 PROM |  
| X25643V14-1,8 | Programmable watchdog timer & Vcc supervisory circuit w/serial E2PROM |  
| X25643V14-2.7 | Programmable Watchdog Timer & V CC Supervisory Circuit w/Serial E 2 PROM |  
| X25643V14-2,7 | Programmable watchdog timer & Vcc supervisory circuit w/serial E2PROM |  
| X25643V14 | Programmable watchdog timer & Vcc supervisory circuit w/serial E2PROM |  
| X25643V14I-1.8 | Programmable Watchdog Timer & V CC Supervisory Circuit w/Serial E 2 PROM |  
| X25643V14I-1,8 | Programmable watchdog timer & Vcc supervisory circuit w/serial E2PROM |  
| X25643V14I-2.7 |  Programmable Watchdog Timer & V CC Supervisory Circuit w/Serial E 2 PROM |  
| X25643V14I-2,7 | Programmable watchdog timer & Vcc supervisory circuit w/serial E2PROM |  
| X25643V14I | Programmable watchdog timer & Vcc supervisory circuit w/serial E2PROM |  
| X4643 | CPU Supervisor with 64K EEPROM |  
| X5643P-4.5A | CPU Supervisor with 64Kbit SPI EEPROM |  
| X5643P | CPU Supervisor with 64Kbit SPI EEPROM |  
| X5643S14-2.7 | CPU Supervisor with 64Kbit SPI EEPROM |  
| X5643S14-2.7A | CPU Supervisor with 64Kbit SPI EEPROM |  
| X5643S14-4.5A | CPU Supervisor with 64Kbit SPI EEPROM |  
| X5643S14 | CPU Supervisor with 64Kbit SPI EEPROM |  
| X5643S14I-4.5A | CPU Supervisor with 64Kbit SPI EEPROM |  
| X5643S14I | CPU Supervisor with 64Kbit SPI EEPROM |  
  
YSTON 
| Part | Description |  
| BC-M06433F | Orange , anode,  LED clock display |  
| BC-N06433F | Orange , cathode,  LED clock display |  
  
Z-Communications, Inc. 
| Part | Description |  
| CRO3643A-LF | VOLTAGE CONTROLLED OSCILLATOR |  
  
Zetex Semiconductors 
 
Zoran Corporation 
| Part | Description |  
| ZR36432 | Portable Multimedia Player/Recorder |  
 
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