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AT89C51AC3
  • AT89C51AC3
  • AT89C51AC3
  • AT89C51AC3

AT89C51AC3

In Production

Highperformance flash version of the 80C51 single-chip 8-bit microcontrollers. It provides 64K Bytes of flash memory including ISP and IAP, 2KB boot flash memory, 2KB EEPROM and 2048 bytes of ERAM. In X2 mode a maximum external clock rate of 20MHz reaches a 300ns cycle time. Primary attention is paid to reducing the device's electro-magnetic emissions.

Microchip Technology AT89C51AC3 Product Info

16 April 2026 0

Parameters

Program Memory Size (KB)

64

RAM

2

Data EEPROM (bytes)

2048

Pin Count

64

Operation Voltage Max.(V)

5.5

Operation Voltage Min.(V)

3

ADC Resolution Max

10

ADC Channels

8

Zero Cross Detect

False

Number of Comparators

0

SPI

1

I2C

0

Stand alone PWM

0

Low Power

No

Numerically Controlled Oscillator (NCO)

0

Data Signal Modulator (DSM)

0

Description

Highperformance flash version of the 80C51 single-chip 8-bit microcontrollers. It provides 64K Bytes of flash memory including ISP and IAP, 2KB boot flash memory, 2KB EEPROM and 2048 bytes of ERAM.

In X2 mode a maximum external clock rate of 20MHz reaches a 300ns cycle time. Primary attention is paid to reducing the device's electro-magnetic emissions.

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