| nr | name | cat | description | manufacturer | 
| 64 | VIC64 | bus | VMEbus Interface controller with D64 Functionality, Data | Cypress* | 
| 640 | 640C | mcu | MCMOS MCU 28-pin 128*8 RAM 2k*8 PROM* | NS | 
| 640 | AD640 | amp | DC Coupled Demodulating 120 MHz Logarithmic Amplifier, data | AD | 
| 640 | MAX640 | power | 3.3V/Adiustable, High-Efficiencv, Low la, Step-Down DC-DC Converter | Maxim* | 
| 640 | OPA640 |  | Wideband Voltage Feedback Op-Amp, pinout | Burr-Brown | 
| 640 | OPA640 | amp | 1.3 GHz opamp | BB | 
| 640 | irf640 | fet | fet t0220 = buk45-200a | Harris | 
| 6402 | AD6402 |  | IF Transceiver Subsystem, data | AD | 
| 6402 | CDP6402 | uart | UART  , data (shtml needed) | Harris | 
| 6402 | CDP6402CD | uart | 40 CDIP -40+85C 5.0V 3.2 MHz UART | Harris | $12/1K | 
| 6402 | CDP6402CDX | uart | CDP6402CD with 160 hour +125C burn-in 40 Pin SBDIP | Harris | $15/1K | 
| 6402 | CDP6402CE | uart | 40 PDIP -40+85C 5.0V 3.2 MHz UART | Harris | $3/1K | 
| 6402 | CDP6402CEX | uart | CDP6402CE with 160 hour +125C burn-in 40 Pin PDIP | Harris | $4/1K | 
| 6402 | CDP6402D | uart | 40 CDIP -40+85C 10.0V 3.2 MHz UART | Harris | $17/1K | 
| 6402 | CDP6402DX | uart | CDP6402D with 160 hour +125C burn-in 40 Pin SBDIP | Harris | $21/1K | 
| 6402 | CDP6402E | uart | 40 PDIP -40+85C 10.0V 3.2 MHz UART | Harris | $4/1K | 
| 6402 | HD-6402 |  | UART, pinout | Harris Semiconductor | 
| 6402 | IM6402 | uart | CMOS* UART 1.0 MHz | Intersil | $2.45 | 
| 6403 | NM6403 | dsp | Russian DSP. See here | Module | 
| 6403 | AD6403 |  | AD6400 DECT Chipset, data | AD | 
| 6403 | IM6403 | uart | CMOS* UART with osc 2.5 MHz | Intersil | 
| 6406 | XRD6406 | adc | 10 Bit 6 MSPS Analog to Digital Converter | Exar | 
| 6406 | XRD64L06 | adc | 3V 6 MSPS 10-Bit High Speed Analog-to-Digital Converter | Exar | 
| 641 | 641C | mcu | MCMOS MCU 24-pin 128*8 RAM 2k*8 PROM* | NS | 
| 641 | AD641 | amp | 250 MHz Demodulating Logarithmic Amplifier, data | AD | 
| 641 | MAX641 |  | STEP UP SWITCHING REGULATOR, pinout | MAXIM | 
| 641 | MAX641 | power | CMOS* +5V Fixed/Adjustable 10 Watt Step-up switching Regulator | Maxim* | 
| 641 | OPA641 |  | Wideband Voltage Feedback Op-Amp, pinout | Burr-Brown | 
| 641 | OPA641 | amp | 1.8 GHz G>=2 opamp | BB | 
| 6410 |  | eeprom,spi | 64*16, Serial SPI bus EEPROM | Catalyst | 
| 6410 | CAT64LC10 | eeprom,spi | 1Kbit EEPROM | Catalyst | 
| 641001 | 641001 | sram | 256K*4 cache SRAM* | Samsung* | 
| 641010 | HM641010 | dram | 1M*64 Modules | Siemens | 
| 6414 | XRD6414 | adc | CMOS* 10-Bit 20 MSPS High Speed Analog-to-Digital Converter with 4:1 Input Analog Multiplexer | Exar | 
| 6414 | XRD64L14 | video | 3.3V CMOS* 10-Bit | Exar | 
| 64144 | XRD6414(4) | video | CMOS* 10-Bit 20 MSPS High Speed Analog-to-Digital Converter with 4:1 Input Analog Multiplexer | Exar | 
| 6415 | XRD6415 | adc | CMOS* 10-Bit 20 MSPS High Speed Analog-to-Digital Converter | Exar | 
| 6415 | XRD64L15 | adc | 3.3V CMOS* 10-Bit 20 MSPS High Speed Analog-to-Digital Converter | Exar | 
| 64160 | HB64160 | dram | 4M*16 DRAM (3.3 V, FPM) | Siemens | 
| 64176 | SN64176B |  | Differential Bus Transceiver, pinout | TI | 
| 6418 | XRD6418 | adc | CMOS* 10-Bit 6 MSPS High Speed Analog-to-Digital Converter with 8:1 Input Analog Multiplexer | Exar | 
| 64180 | HD64180 | mcu | CPU Z80-like,  DIL or FP | order from Barend | 
| 64188 | XRD6418(8) | video | CMOS* 10-Bit | Exar | 
| 642 | 642C | mcu | MCMOS MCU 20-pin 128*8 RAM 2k*8 PROM* | NS | 
| 642 | AD642 | amp | Precision, Low Cost Dual* BiFET Op Amp*, data | AD | 
| 642 | MAX642 | power | CMOS* +12V Fixed/Adjustable 10 Watt Step-up switching Regulator | Maxim* | 
| 642 | OPA642 |  | Wideband Low Distortion Op-Amp, pinout | Burr-Brown | 
| 642 | OPA642 | amp | 450 MHz high gain opamp | BB | 
| 642 | TC642 | motor | 2-wire BDC fan controller with temperature input and fault detect | TelCom | 
| 6420 |  | eeprom,spi | 128*16, Serial SPI bus EEPROM | Catalyst | 
| 6420 | CAT64LC20 | eeprom,spi | 2Kbit EEPROM | Catalyst | 
| 64200 | 64200 | video | Wingine series,  2M, Linear frame buffer | 
| 64256 | LH64256 | dram | 256k*4 Fast Pagemode DRAM | Sharp* | 
| 643 | DG643 | video | SPDT video switch, 8 ohm 500 MHz | Siliconix | 
| 643 | MAX643 | power | CMOS* +15V Fixed/Adjustable 10 Watt Step-up switching Regulator | Maxim* | 
| 643 | OPA643 |  | Wideband Low Distortion Op-Amp, pinout | Burr-Brown | 
| 643 | OPA643 | amp | 1.5 GHz G>=5 opamp | BB | 
| 643 | TC643 | motor | 2-wire BDC fan controller with temperature input and fault detect | TelCom | 
| 64300 | 64300 | video | Wingine series,  2M, | 
| 64310 | 64310 | video | Wingine series | 
| 6432 | AD6432 |  | GSM 3 V Transceiver IF Subsystem, data | AD | 
| 6435 | AD6435 |  | Component of the AD20msp910 ADSL chipset, data | AD | 
| 6436 | AD6436 |  | DMT co-processor for the AD20msp910 ADSL chipset, data | AD | 
| 6437 | AD6437 |  | Analog front-end IC* for the AD20msp910 ADSL chipset, data | AD | 
| 644 | AD644 | amp | Dual* High Speed, Implanted BiFET Op Amp*, data | AD | 
| 644 | OPA644 |  | Low Distortion Current Feedback Op-Amp, pinout | Burr-Brown | 
| 644 | OPA644 | amp | 500 MHz opamp | BB | 
| 6440 |  | eeprom,spi | 256*16, Serial SPI bus EEPROM | Catalyst | 
| 6440 | CAT64LC40 | eeprom,spi | 4Kbit EEPROM | Catalyst | 
| 6440 | SL6440 | mixer | High level mixer in DIL dok + appnotes available | order from Barend | 
| 6440 | XRD6440 | adc | 10-Bit 40MSPS CMOS* Analog-to-Digital Converter | Exar | 
| 6440 | XRD64L40 | adc | 3V 10-Bit 20MSPS CMOS* ADC | Exar | 
| 64400 |  | video | Graphic Data Processor | Hitachi* | 
| 64400 | HB64400 | dram | 16M*1 DRAM (3.3 V, FPM) | Siemens | 
| 6445 |  | video | CRT* controller | Hitachi* | 
| 64460 |  | video | CRT* controller Plus | Hitachi* | 
| 645 | AD645 | amp | Low Noise, Low Drift FET* Op Amp*, data | AD | 
| 6456 | SAB6456A | divider | =SDA4212 divider ECL* o/p select 64/256 see U891BS (pincomp.) | 
| 6456 | SAB6456A | divider | 1.3 GHz divide-by-64/256 prescaler DIL18 | Philips | 
| 6457 | SAB6457A | divider | Divide-by-64/256 prescaler DIL8 | Philips | 
| 6458 | AD6458 |  | GSM 3V Receiver IF Subsystem  for operation at input frequencies as high as 400 MHz and IFs from 5 MHz up to 50 MHz, data | AD | 
| 6459 | AD6459 |  | GSM 3V Receiver IF Subsystem  for operation at input frequencies as high as 500 MHz and IFs from 5 MHz up to 50 MHz, data | AD | 
| 646 | OPA646 |  | Low Power, Wide Bandwidth Op-Amp, pinout | Burr-Brown | 
| 646 | OPA646 | amp | 650 MHz opamp | BB | 
| 646 | TC646 | motor | 2-wire BDC fan controller with temperature input and fault detect | TelCom | 
| 6462 |  | amp | Two channel micropower rail-to-rail input and output OPAMP for portable applications, More | NS* | 
| 6462 | LMC6462 | amp | dual low power opamp | NS | 
| 6464 |  | amp | Four channel micropower rail-to-rail input and output OPAMP for portable applications, More | NS* | 
| 6464 | LMC6464 | amp | quad low power opamp | NS | 
| 64645 |  | lcd | LCD Timing controller | Hitachi* | 
| 64646 |  | lcd | LCD Timing controller | Hitachi* | 
| 647 | AD647 | amp | Ultralow Drift, Dual* BiFET Op Amp*, data | AD | 
| 648 | AD648 | amp | Dual* Precision, Low Power BiFET Op Amp*, data | AD | 
| 648 | OPA648 |  | Ultra-Wideband Current Feedback Op-Amp, pinout | Burr-Brown | 
| 648 | TC648 | motor | 2-wire BDC fan controller with temperature input and fault detect | TelCom | 
| 64800 | HB64800 | dram | 8M*8 DRAM  (3.3 V, FPM) | Siemens | 
| 649 | FT649 |  | 2400bps serial Router, pinout | FerretTronics | 
| 649 | MAX649 | power | 5V/Adjustable, High-Efficiency, Low la, Step-Down DC-DC Converter | Maxim* | 
| 64950S |  | ? | File Data Processor | Hitachi* | 
| 64951 |  | scsi | SCSI controller | Hitachi* |