Datasheet4U Logo Datasheet4U.com

AT89C51AC3 Datasheet Enhanced 8-bit Microcontroller

Manufacturer: Atmel (now Microchip Technology)

Download the AT89C51AC3 datasheet PDF. This datasheet also includes the AT89C variant, as both parts are published together in a single manufacturer document.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (AT89C-51AC.pdf) that lists specifications for multiple related part numbers.

General Description

The AT89C51AC3 is a high performance Flash version of the 80C51 single chip 8-bit microcontrollers.

In X2 mode a maximum external clock rate of 20 MHz reaches a 300 ns cycle time.

Besides the AT89C51AC3 provides 64K Bytes of Flash memory including In-System Programming (ISP) and IAP, 2K Bytes Boot Flash Memory, 2K Bytes EEPROM and 2048 byte ERAM.

Key Features

  • 80C51 Core Architecture.
  • 256 Bytes of On-chip RAM.
  • 2048 Bytes of On-chip ERAM.
  • 64K Bytes of On-chip Flash Memory.
  • Data Retention: 10 Years at 85°C.
  • Read/Write Cycle: 100K.
  • Boot Code Section with Independent Lock Bits.
  • 2K Bytes of On-chip Flash for Bootloader.
  • In-System Programming by On-Chip UART Boot Program and IAP Capability.
  • 2K Bytes of On-chip EEPROM Read/Write Cycle: 100K.
  • Integrated Power M.

More Datasheets from Atmel (now Microchip Technology)

Part Number Description
AT89C51AC2 Enhanced 8-bit Microcontroller
AT89C5115 Low Pin Countl 8-bit Microcontroller
AT89C5121 8-bit Microcontroller
AT89C5122 (AT8xx512x) Smart Card Reader ICs
AT89C5130A-M 8-bit Flash Microcontroller
AT89C5131 8-bit Flash Microcontroller
AT89C5131A USB Microcontrollers
AT89C5131A-M 8-bit Flash Microcontroller
AT89C5132 (AT83C5132 / AT89C5132) Usb C51-based Microcontroller
AT89C51CC01 Enhanced 8-bit Microcontroller