8051系列单片机参数总览


ANALOG DEVICES
Part Files CODE XRAM NVRAM I/O DPTR UARTs I2C SPI ADC DAC W/D RTC PWR Mhz/Op/Ap.Mhz
ADuC816 PDF Home 8k F-ISP n/a n/a 32 1 1 Byte Byte 16 12 Yes No 3V 5V 16 / 12 / 16
2-Channel Dif Input 16-Bit ADC, 3-Channel SingleEnded Input 16-Bit ADC, Dual 12-Bit DACs
ADuC812 PDF Home 8k F-ISP n/a n/a 32 1 1 Byte Byte 12 12 Yes No 3V 5V 16 / 12 / 16
8-Channel 5us 12-Bit ADC, Dual 12-Bit DACs
ADuC824 PDF Home 8k F-ISP n/a n/a 32 1 1 Byte Byte 24 12 Yes No 3V 5V 16 / 12 / 16
2-Channel Dif Input, 24-Bit ADC, 3-Channel Single-Ended Input 16-Bit ADC, Dual 12-Bit DACs
ADuC814 PDF Home 8k F-ISP n/a n/a 32 1 1 Byte Byte 12 12 Yes No 3V 5V 16 / 12 / 16
6-Channel 5us 12-Bit ADC, Dual 12-Bit DACs

ATMEL
Part Files CODE XRAM NVRAM I/O DPTR UARTs I2C SPI ADC DAC W/D RTC PWR Mhz/Op/Ap.Mhz
T89C51AC2 PDF Home 32k F-ISP 1k n/a 32 2 1 Byte No 10 n/a Yes No 5V 20 / 6 / 40
AT89C51 PDF Home 4k F-ISP n/a n/a 32 1 1 No No n/a n/a No No 5V 24 / 12 / 24
AT89C51RC PDF Home 32k F-ISP 256 n/a 32 2 1 No No n/a n/a Yes No 5V 33 / 12 / 33
AT89LV55 PDF Home 20k F n/a n/a 32 1 1 No No n/a n/a No No 3V 5V 12 / 12 / 12
AT89C4051 PDF Home 4k F n/a n/a 15 1 1 No No n/a n/a No No 3V 5V 24 / 12 / 24
AT87F55WD PDF Home 20k O n/a n/a 32 2 1 No No n/a n/a No No 5V 33 / 12 / 33
AT87LV52 PDF Home 8k O n/a n/a 32 1 1 No No n/a n/a No No 3V 5V 16 / 12 / 16
TS87C54X2 PDF Home 16k O n/a n/a 32 2 1 No No n/a n/a Yes No 3V 5V 40 / 12 / 40
AT89S51 PDF Home 4k F-ISP n/a n/a 32 2 1 No No n/a n/a Yes No 5V 33 / 12 / 33
AT89S8252 PDF Home 8k F-ISP n/a n/a 32 2 1 No Byte n/a n/a Yes No 5V 24 / 12 / 24
TS87C51U2 PDF Home 16k O n/a n/a 32 2 2 No No n/a n/a Yes No 3V 5V 40 / 6 / 80
AT89LS53 PDF Home 12k F-ISP n/a n/a 32 2 1 No Byte n/a n/a Yes No 3V 5V 12 / 12 / 12
TS87C51RD2 PDF Home 64k O 768 n/a 48 2 2 No No n/a n/a Yes No 3V 5V 40 / 6 / 80
T89C51RC2 PDF Home 32k F-ISP 1k n/a 32 2 1 No Byte n/a n/a Yes No 3V 5V 20 / 6 / 40
T87C5111 PDF Home 4k O n/a n/a 24 1 1 No Byte 10 n/a Yes No 3V 5V 33 / 6 / 66
T89C51RD2 PDF Home 64k F-ISP 1k n/a 32 2 1 No No n/a n/a Yes No 3V 5V 20 / 6 / 40
AT89C52 PDF Home 8k F-ISP n/a n/a 32 1 1 No No n/a n/a No No 5V 24 / 12 / 24
AT89LV51 PDF Home 4k F n/a n/a 32 1 1 No No n/a n/a No No 3V 12 / 12 / 12
AT89C1051U PDF Home 1k F n/a n/a 15 1 1 No No n/a n/a No No 3V 5V 24 / 12 / 24
AT87F51 PDF Home 4k O n/a n/a 32 1 1 No No n/a n/a No No 3V 5V 24 / 12 / 24
AT87F51RC PDF Home 32k O 256 n/a 32 2 1 No No n/a n/a Yes No 5V 24 / 12 / 24
AT87LV55 PDF Home 20k O n/a n/a 32 2 1 No No n/a n/a Yes No 3V 5V 16 / 12 / 16
AT89S52 PDF Home 8k F-ISP n/a n/a 32 2 1 No No n/a n/a Yes No 5V 33 / 12 / 33
TS87C58X2 PDF Home 32k O n/a n/a 32 2 1 No No n/a n/a Yes No 3V 5V 40 / 12 / 40
AT89LS51 PDF Home 4k F-ISP n/a n/a 32 2 1 No No n/a n/a Yes No 3V 16 / 12 / 16
TS87C51RB2 PDF Home 16k O 768 n/a 48 2 2 No No n/a n/a Yes No 3V 5V 40 / 6 / 80
AT89S4D12 PDF Home 4k F-ISP 128k n/a 5 2 0 No Byte n/a n/a No No 3V 12 / 12 / 12
T87C5101 PDF Home 16k O 256 n/a 16 2 1 No No n/a n/a Yes No 3V 5V 20 / 6 / 40
T89C51IC2 PDF Home 32k F-ISP 1k n/a 32 2 1 Byte Byte n/a n/a Yes No 3V 5V 20 / 6 / 40
TS80C52X2 PDF Home 8k R n/a n/a 32 2 1 No No n/a n/a No No 3V 5V 40 / 12 / 40
T89C5115 PDF Home 16k F-ISP n/a n/a 20 2 1 No No 10 n/a Yes No 5V 20 / 6 / 40
AT89C55WD PDF Home 20k F-ISP n/a n/a 32 2 1 No No n/a n/a Yes No 5V 33 / 12 / 33
AT89LV52 PDF Home 8k F n/a n/a 32 1 1 No No n/a n/a No No 3V 5V 12 / 12 / 12
AT89C2051 PDF Home 2k F n/a n/a 15 1 1 No No n/a n/a No No 3V 5V 24 / 12 / 24
AT87F52 PDF Home 8k O n/a n/a 32 1 1 No No n/a n/a No No 3V 5V 24 / 12 / 24
AT87LV51 PDF Home 4k O n/a n/a 32 1 1 No No n/a n/a No No 3V 5V 16 / 12 / 16
TS87C52X2 PDF Home 8k O n/a n/a 32 2 1 No No n/a n/a No No 3V 5V 40 / 12 / 40
AT89LS8252 PDF Home 8k F-ISP n/a n/a 32 2 1 No Byte n/a n/a Yes No 3V 5V 12 / 12 / 12
AT89S53 PDF Home 12k F-ISP n/a n/a 32 2 1 No Byte n/a n/a Yes No 5V 24 / 12 / 24
T87C5112 PDF Home 8k O n/a n/a 40 1 1 No Byte 10 n/a Yes No 3V 5V 33 / 6 / 66
PWM Generator
AT89LS52 PDF Home 8k F-ISP n/a n/a 32 2 1 No No n/a n/a Yes No 3V 16 / 12 / 16
TS87C51RC2 PDF Home 32k O 256 n/a 48 2 2 No No n/a n/a Yes No 3V 5V 40 / 6 / 80
T89C51RB2 PDF Home 16k F-ISP 1k n/a 32 2 1 No Byte n/a n/a Yes No 3V 5V 20 / 6 / 40
T87C5102 PDF Home 8k O 256 n/a 16 2 1 No No n/a n/a Yes No 3V 5V 20 / 6 / 40

CYGNAL INTEGRATED PRODUCTS
Part Files CODE XRAM NVRAM I/O DPTR UARTs I2C SPI ADC DAC W/D RTC PWR Mhz/Op/Ap.Mhz
C8051F303 PDF Home 8k F-ISP n/a n/a 8 1 1 Byte Byte n/a n/a Yes No 3V 25 / 1 / 300
C8051F000 PDF Home 32k F-ISP n/a n/a 32 1 1 No No 12 12 Yes No 3V 25 / 1 / 300
C8051F005 PDF Home 32k F-ISP 2k n/a 32 1 1 No No 12 12 Yes No 3V 25 / 1 / 300
C8051F010 PDF Home 32k F-ISP n/a n/a 32 1 1 No No 10 12 Yes No 3V 20 / 1 / 240
C8051F015 PDF Home 32k F-ISP 2k n/a 32 1 1 No No 10 12 Yes No 3V 25 / 1 / 300
C8051F018 PDF Home 16k F-ISP 1k n/a 32 1 1 No No 10 n/a Yes No 3V 25 / 1 / 300
C8051F022 PDF Home 64k F-ISP 4k n/a 64 1 2 Byte Byte 12 12 Yes No 3V 25 / 1 / 300
C8051F040 PDF Home 64k F-ISP 4k n/a 64 1 2 Byte Byte 12 12 Yes No 3V 25 / 1 / 300
CAN Support
C8051F043 PDF Home 64k F-ISP 4k n/a 32 1 2 Byte Byte 12 12 Yes No 3V 25 / 1 / 300
CAN Support
C8051F221 PDF Home 8k F-ISP n/a n/a 22 1 1 No Byte 8 n/a Yes No 3V 25 / 1 / 300
C8051F231 PDF Home 8k F-ISP n/a n/a 22 1 1 No Byte n/a n/a Yes No 3V 25 / 1 / 300
C8051F301 PDF Home 8k F-ISP n/a n/a 8 1 1 Byte Byte n/a n/a Yes No 3V 25 / 1 / 300
Calibrated internal oscillator
C8051F304 PDF Home 4k F-ISP n/a n/a 8 1 1 Byte Byte n/a n/a Yes No 3V 25 / 1 / 300
C8051F001 PDF Home 32k F-ISP n/a n/a 16 1 1 No No 12 12 Yes No 3V 25 / 1 / 300
C8051F006 PDF Home 32k F-ISP 2k n/a 16 1 1 No No 12 12 Yes No 3V 25 / 1 / 300
C8051F011 PDF Home 32k F-ISP n/a n/a 16 1 1 No No 10 12 Yes No 3V 20 / 1 / 240
C8051F016 PDF Home 32k F-ISP 2k n/a 16 1 1 No No 10 12 Yes No 3V 25 / 1 / 300
C8051F019 PDF Home 16k F-ISP 1k n/a 16 1 1 No No 10 n/a Yes No 3V 25 / 1 / 300
C8051F021 PDF Home 64k F-ISP 4k n/a 32 1 2 Byte Byte 12 12 Yes No 3V 25 / 1 / 300
C8051F041 PDF Home 64k F-ISP 4k n/a 32 1 2 Byte Byte 12 12 Yes No 3V 25 / 1 / 300
CAN Support
C8051F206 PDF Home 8k F-ISP 1k n/a 32 1 1 No Byte 12 n/a Yes No 3V 25 / 1 / 300
C8051F226 PDF Home 8k F-ISP 1k n/a 32 1 1 No Byte 8 n/a Yes No 3V 25 / 1 / 300
C8051F236 PDF Home 8k F-ISP 1k n/a 32 1 1 No Byte n/a n/a Yes No 3V 25 / 1 / 300
C8051F302 PDF Home 8k F-ISP n/a n/a 8 1 1 Byte Byte 8 n/a Yes No 3V 25 / 1 / 300
C8051F305 PDF Home 2k F-ISP n/a n/a 8 1 1 Byte Byte n/a n/a Yes No 3V 25 / 1 / 300
C8051F002 PDF Home 32k F-ISP n/a n/a 8 1 1 No No 12 12 Yes No 3V 25 / 1 / 300
C8051F007 PDF Home 32k F-ISP 2k n/a 8 1 1 No No 12 12 Yes No 3V 25 / 1 / 300
C8051F012 PDF Home 32k F-ISP n/a n/a 8 1 1 No No 10 12 Yes No 3V 20 / 1 / 240
C8051F017 PDF Home 32k F-ISP 2k n/a 8 1 1 No No 10 12 Yes No 3V 25 / 1 / 300
C8051F020 PDF Home 64k F-ISP 4k n/a 64 1 2 Byte Byte 12 12 Yes No 3V 25 / 1 / 300
C8051F023 PDF Home 64k F-ISP 4k n/a 32 1 2 Byte Byte 12 12 Yes No 3V 25 / 1 / 300
C8051F042 PDF Home 64k F-ISP 4k n/a 64 1 2 Byte Byte 12 12 Yes No 3V 25 / 1 / 300
CAN Support
C8051F220 PDF Home 8k F-ISP n/a n/a 32 1 1 No Byte 8 n/a Yes No 3V 25 / 1 / 300
C8051F230 PDF Home 8k F-ISP n/a n/a 32 1 1 No Byte n/a n/a Yes No 3V 25 / 1 / 300
C8051F300 PDF Home 8k F-ISP n/a n/a 8 1 1 Byte Byte 8 n/a Yes No 3V 25 / 1 / 300
Calibrated internal oscillator

CYPRESS SEMICONDUCTOR
Part Files CODE XRAM NVRAM I/O DPTR UARTs I2C SPI ADC DAC W/D RTC PWR Mhz/Op/Ap.Mhz
CY7C68013 PDF Home 8k EF-ISP n/a n/a 40 2 2 Byte No n/a n/a No No 3V 48 / 4 / 144
USB 2.0
CY7C64013 PDF Home 8k O n/a n/a 32 1 1 Byte No n/a n/a Yes No 5V 48 / 4 / 144
USB 1.1

DALLAS
Part Files CODE XRAM NVRAM I/O DPTR UARTs I2C SPI ADC DAC W/D RTC PWR Mhz/Op/Ap.Mhz
DS87C550 PDF Home 8k OE 1k n/a 55 2 1 No No 10 n/a Yes No 5V 33 / 4 / 99
4 channels 8-bit PWM, cascadable to 16-bit PWM
DS80CH11 PDF Home n/a 256 n/a 88 1 1 Byte No 10 n/a Yes No 5V 25 / 4 / 75
System Energy Manager, Keyscan controller
DS80C320 PDF Home n/a n/a n/a 32 2 2 No No n/a n/a Yes No 5V 33 / 4 / 99
DS87C530 PDF Home 16k O 1k n/a 32 2 2 No No n/a n/a Yes Yes 5V 33 / 4 / 99
DS80C390 PDF Home n/a 4k n/a 32 2 2 No No n/a n/a Yes No 5V 40 / 4 / 120
Dual CAN 2.0 High-Speed MCU, Optional 10-bit stack pointer, Up to 4MB XRAM & CODE Memory
DS80C310 PDF Home n/a n/a n/a 32 2 1 No No n/a n/a No No 5V 33 / 4 / 99
DS89C420 PDF Home 16k F-ISP 1k n/a 32 2 2 No No n/a n/a No No 5V 33 / 1 / 396
DS87C520 PDF Home 16k OE 1k n/a 32 2 2 No No n/a n/a Yes No 5V 33 / 4 / 99
DS80C323 PDF Home n/a n/a n/a 32 2 2 No No n/a n/a Yes No 3V 5V 18 / 4 / 54
Low-power version DS80C320

INTEGRATED SILICON SOLUTIONS, INC.
Part Files CODE XRAM NVRAM I/O DPTR UARTs I2C SPI ADC DAC W/D RTC PWR Mhz/Op/Ap.Mhz
IS80C31 PDF n/a n/a n/a 32 1 1 No No n/a n/a No No 5V 40 / 12 / 40
IS80C52 PDF 8k R n/a n/a 32 1 1 No No n/a n/a No No 5V 40 / 12 / 40
IS80LV32 PDF n/a n/a n/a 32 1 1 No No n/a n/a No No 3V 40 / 12 / 40
IS80LV51 PDF 4k R n/a n/a 32 1 1 No No n/a n/a No No 3V 40 / 12 / 40
IS80C32 PDF n/a n/a n/a 32 1 1 No No n/a n/a No No 5V 40 / 12 / 40
IS80C51 PDF 4k R n/a n/a 32 1 1 No No n/a n/a No No 5V 40 / 12 / 40
IS80LV31 PDF n/a n/a n/a 32 1 1 No No n/a n/a No No 3V 40 / 12 / 40
IS80LV52 PDF 8k R n/a n/a 32 1 1 No No n/a n/a No No 3V 40 / 12 / 40

PHILIPS
Part Files CODE XRAM NVRAM I/O DPTR UARTs I2C SPI ADC DAC W/D RTC PWR Mhz/Op/Ap.Mhz
P87C51MB2 PDF Home 64k O 2k n/a 34 2 2 No Byte n/a n/a Yes No 3V 5V 24 / 6 / 48
23-bit program counter, 23-bit DPTR, 16-bit stack pointer
P87LPC761 PDF Home 2k E n/a n/a 14 1 1 Bit No n/a n/a Yes No 3V 5V 20 / 6 / 40
P87LPC767 PDF Home 4k O n/a n/a 18 1 1 Bit No 8 n/a Yes No 3V 5V 20 / 6 / 40
P8XC591 PDF Home 16k OR 256 n/a 32 2 1 Byte No 10 8 Yes No 5V 12 / 6 / 24
CAN Controller, 8-bit PWM
P89C51RC2xx PDF Home 32k F-ISP 256 n/a 32 2 1 Byte No n/a n/a Yes No 5V 20 / 6 / 40
P89C662 PDF Home 32k F-ISP 768 n/a 32 2 1 Byte No n/a n/a Yes No 5V 20 / 6 / 40
PCA
80C554 PDF Home 16k E 256 n/a 40 2 1 Byte No 10 n/a Yes No 3V 5V 16 / 6 / 32
P89C54X2 PDF Home 16k F n/a n/a 32 2 1 No No n/a n/a Yes No 5V 20 / 6 / 40
P80C52X2 PDF Home 8k ER n/a n/a 32 2 1 No No n/a n/a Yes No 3V 5V 30 / 6 / 60
80C31 PDF Home n/a n/a n/a 32 2 1 No No n/a n/a No No 3V 5V 33 / 6 / 66
P87C51MC2 PDF Home 96k O 3k n/a 34 2 2 No Byte n/a n/a Yes No 3V 5V 24 / 6 / 48
23-bit program counter, 23-bit DPTR, 16-bit stack pointer
P87LPC762 PDF Home 2k E n/a n/a 18 1 1 Bit No n/a n/a Yes No 3V 5V 20 / 6 / 40
P87LPC768 PDF Home 4k O n/a n/a 18 1 1 Bit No 8 n/a Yes No 3V 5V 20 / 6 / 40
10-bit PWM
P89C51RA2xx PDF Home 8k F-ISP 256 n/a 32 2 1 Byte No n/a n/a Yes No 5V 20 / 6 / 40
P89C51RD2xx PDF Home 64k F-ISP 768 n/a 32 2 1 Byte No n/a n/a Yes No 5V 20 / 6 / 40
P89C664 PDF Home 64k F-ISP 1792 n/a 32 2 1 Byte No n/a n/a Yes No 5V 20 / 6 / 40
PCA
P89C51X2 PDF Home 4k F n/a n/a 32 2 1 No No n/a n/a Yes No 5V 20 / 6 / 40
P89C58X2 PDF Home 32k F n/a n/a 32 2 1 No No n/a n/a Yes No 5V 20 / 6 / 40
P80C54X2 PDF Home 16k ER n/a n/a 32 2 1 No No n/a n/a Yes No 3V 5V 30 / 6 / 60
80C32 PDF Home n/a n/a n/a 32 2 1 No No n/a n/a No No 3V 5V 33 / 6 / 66
P87LPC760 PDF Home 1k E n/a n/a 12 1 1 Bit No n/a n/a Yes No 3V 5V 20 / 6 / 40
87LPC764 PDF Home 4k O n/a n/a 18 1 1 Bit No n/a n/a Yes No 3V 5V 20 / 6 / 40
P87LPC769 PDF Home 4k O n/a n/a 18 1 1 Bit No 8 8 Yes No 3V 5V 20 / 6 / 40
10-bit PWM
P89C51RB2xx PDF Home 16k F-ISP 256 n/a 32 2 1 Byte No n/a n/a Yes No 5V 20 / 6 / 40
P89C660 PDF Home 16k F-ISP 256 n/a 32 2 1 Byte No n/a n/a Yes No 5V 20 / 6 / 40
PCA
P89C668 PDF Home 64k F-ISP 7936 n/a 32 2 1 Byte No n/a n/a Yes No 5V 20 / 6 / 40
PCA
P89C52X2 PDF Home 8k F n/a n/a 32 2 1 No No n/a n/a Yes No 5V 20 / 6 / 40
P80C31X2 PDF Home 4k ER n/a n/a 32 2 1 No No n/a n/a Yes No 3V 5V 30 / 6 / 60
P80C58X2 PDF Home 32k ER n/a n/a 32 2 1 No No n/a n/a Yes No 3V 5V 30 / 6 / 60

STANDARD MICROSYSTEMS CORPORATION
Part Files CODE XRAM NVRAM I/O DPTR UARTs I2C SPI ADC DAC W/D RTC PWR Mhz/Op/Ap.Mhz
COM20051I PDF Home n/a n/a n/a 32 1 1 No No n/a n/a No No 5V 16 / 12 / 16
Discontinued Apr/02, Integrated ARCnet interface
COM20051+ PDF Home n/a n/a n/a 32 1 1 No No n/a n/a Yes No 5V 16 / 12 / 16
Discontinued Dec/00, Integrated ARCnet interface
COM20051 PDF Home n/a n/a n/a 32 1 1 No No n/a n/a No No 5V 16 / 12 / 16
Discontinued, Integrated ARCnet interface

TDK SEMICONDUCTOR
Part Files CODE XRAM NVRAM I/O DPTR UARTs I2C SPI ADC DAC W/D RTC PWR Mhz/Op/Ap.Mhz
73M2910L PDF Home n/a n/a n/a 32 1 1 No No n/a n/a No No 3V 5V 44 / 12 / 44
Bank select circuitry supports up to 128k external program memory

TEXAS INSTRUMENTS
Part Files CODE XRAM NVRAM I/O DPTR UARTs I2C SPI ADC DAC W/D RTC PWR Mhz/Op/Ap.Mhz
TUSB3210 PDF Home 8k E-ISP n/a n/a 32 1 1 Byte No n/a n/a Yes No 3V 12 / 12 / 12
USB 1.1
MSC1210 PDF Home 32k F-ISP 1k n/a 34 2 2 Byte Byte 24 n/a Yes No 3V 5V 33 / 4 / 99
PWM Generator, flash memory accessible for program data storage
TUSB5152 PDF Home 16k E-ISP n/a n/a 32 1 2 Byte No n/a n/a Yes No 3V 5V 12 / 12 / 12
USB 1.1 with 5-Port Hub
TUSB2136 PDF Home 8k E-ISP n/a n/a 32 1 1 Byte No n/a n/a Yes No 3V 12 / 12 / 12
USB 1.1 with Hub
TUSB5052 PDF Home 16k E-ISP n/a n/a 16 1 2 Byte No n/a n/a Yes No 3V 5V 12 / 12 / 12
USB 1.1 with 5-Port Hub and integrated bridge to 2 serial ports

TRISCEND
Part Files CODE XRAM NVRAM I/O DPTR UARTs I2C SPI ADC DAC W/D RTC PWR Mhz/Op/Ap.Mhz
TE512 PDF Home n/a 32k n/a 126 2 1 Byte Byte n/a n/a Yes Yes 3V 40 / 4 / 120
1152 CSL cells of programmable logic, equal to about 14400 ASIC gates. JTAG-based debugging.
TE502 PDF Home n/a 8k n/a 52 2 1 Byte Byte n/a n/a Yes Yes 3V 40 / 4 / 120
256 CSL cells of programmable logic, equal to about 3,200 ASIC gates. JTAG-based debugging.
TE520 PDF Home n/a 40k n/a 127 2 1 Byte Byte n/a n/a Yes Yes 3V 40 / 4 / 120
2048 CSL cells of programmable logic, equal to about 25,600 ASIC gates. JTAG-based debugging.
TE505 PDF Home n/a 16k n/a 100 2 1 Byte Byte n/a n/a Yes Yes 3V 40 / 4 / 120
512 CSL cells of programmable logic, equal to about 6,400 ASIC gates. JTAG-based debugging.

WINBOND
Part Files CODE XRAM NVRAM I/O DPTR UARTs I2C SPI ADC DAC W/D RTC PWR Mhz/Op/Ap.Mhz
W78E54B PDF Home 16k EF n/a n/a 32 1 1 No No n/a n/a Yes No 5V 40 / 12 / 40
W78E858 PDF Home 32k EF-ISP 512 n/a 36 1 1 No No n/a n/a Yes No 5V 40 / 12 / 40
W78C54 PDF Home 16k R n/a n/a 36 1 1 No No n/a n/a Yes No 5V 40 / 12 / 40
W78C801 PDF Home 4k R n/a n/a 36 1 1 No No n/a n/a Yes No 5V 40 / 12 / 40
W78L51 PDF Home 4k R n/a n/a 36 1 1 No No n/a n/a Yes No 3V 5V 24 / 12 / 24
W78L801 PDF Home 4k R n/a n/a 36 1 1 No No n/a n/a Yes No 3V 5V 24 / 12 / 24
W78LE54 PDF Home 16k EF n/a n/a 36 1 1 No No n/a n/a Yes No 3V 5V 24 / 12 / 24
W78LE812 PDF Home 8k EF n/a n/a 36 1 1 No No n/a n/a Yes No 3V 5V 24 / 12 / 24
W77C58 PDF Home 32k R 1k n/a 36 2 2 No No n/a n/a Yes No 5V 40 / 4 / 120
W77LE58 PDF Home 32k EF 1k n/a 36 2 2 No No n/a n/a Yes No 3V 5V 25 / 4 / 75
W78E51B PDF Home 4k EF n/a n/a 32 1 1 No No n/a n/a Yes No 5V 40 / 12 / 40
W77IC32 PDF Home n/a 1k n/a 32 2 2 No No n/a n/a Yes No 3V 5V 25 / 4 / 75
Industrial temperature range
W78E58B PDF Home 32k EF-ISP n/a n/a 36 1 1 No No n/a n/a Yes No 5V 40 / 12 / 40
W78C51D PDF Home 4k R n/a n/a 36 1 1 No No n/a n/a Yes No 5V 40 / 12 / 40
W78C58 PDF Home 32k R n/a n/a 36 1 1 No No n/a n/a Yes No 5V 40 / 12 / 40
W78C438C PDF Home n/a n/a n/a 40 1 1 No No n/a n/a Yes No 5V 40 / 12 / 40
Addresses up to 1MB external memory
W78L52 PDF Home 8k R n/a n/a 36 1 1 No No n/a n/a Yes No 3V 5V 24 / 12 / 24
W78LE51 PDF Home 4k EF n/a n/a 36 1 1 No No n/a n/a Yes No 3V 5V 24 / 12 / 24
W78LE58 PDF Home 32k EF-ISP n/a n/a 36 1 1 No No n/a n/a Yes No 3V 5V 24 / 12 / 24
W77C32 PDF Home n/a 1k n/a 36 2 2 No No n/a n/a Yes No 3V 5V 40 / 4 / 120
W77C516 PDF Home 64k R 1k n/a 36 2 2 No No n/a n/a Yes No 5V 40 / 4 / 120
W78IE52 PDF Home 8k EF n/a n/a 36 1 1 No No n/a n/a Yes No 3V 5V 40 / 12 / 40
Industrial temperature range
W77IE58 PDF Home 32k EF 1k n/a 36 2 2 No No n/a n/a Yes No 3V 5V 25 / 4 / 75
Industrial temperature range
W78E52B PDF Home 8k EF n/a n/a 32 1 1 No No n/a n/a Yes No 5V 40 / 12 / 40
W78E516B PDF Home 64k EF-ISP 256 n/a 36 1 1 No No n/a n/a No No 5V 40 / 12 / 40
W78C52D PDF Home 8k R n/a n/a 36 1 1 No No n/a n/a Yes No 5V 40 / 12 / 40
W78C516 PDF Home 64k R 256 n/a 36 1 1 No No n/a n/a Yes No 5V 40 / 12 / 40
W78L32 PDF Home n/a n/a n/a 32 1 1 No No n/a n/a No No 3V 5V 24 / 12 / 24
W78L54 PDF Home 16k R n/a n/a 36 1 1 No No n/a n/a Yes No 3V 5V 24 / 12 / 24
W78LE52 PDF Home 8k EF n/a n/a 36 1 1 No No n/a n/a Yes No 3V 5V 24 / 12 / 24
W78LE516 PDF Home 64k EF-ISP 256 n/a 36 1 1 No No n/a n/a Yes No 3V 5V 24 / 12 / 24
W77L32 PDF Home n/a 1k n/a 36 2 2 No No n/a n/a Yes No 3V 5V 25 / 4 / 75
W77E58 PDF Home 32k EF 1k n/a 36 2 2 No No n/a n/a Yes No 5V 40 / 4 / 120
W78C32C PDF Home n/a n/a n/a 32 1 1 No No n/a n/a No No 5V 40 / 12 / 40
W78IE54 PDF Home 16k EF n/a n/a 36 1 1 No No n/a n/a Yes No 3V 5V 40 / 12 / 40
Industrial temperature range