Datasheets

AT89C4051

AT89C4051 Complete
( file size: 397592 , 19 pages , revision F , updated: 06/2008 )

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A low-voltage, high-performance CMOS 8-bit microcontroller with 4KB of flash programmable and erasable read-only memory (PEROM). The device uses Atmel’s high-density nonvolatile memory technology and is compatible with the industry-standard MCS-51 instruction set. This versatile 8-bit CPU with flash provides a highly-flexible and cost-effective solution for many embedded control applications.

Key Parameters

Parameter
Value

Flash (Kbytes):

4 Kbytes

Pin Count:

20

Max. Operating Freq. (MHz):

24 MHz

CPU:

8051-12C

Max I/O Pins:

15

UART:

1

SRAM (Kbytes):

0.125

Operating Voltage (Vcc):

2.7 to 6.0

Timers:

2

 

Ordering Codes

Ordering Code Package Speed Power Supply Operational Range Comment Buy Online Samples
AT89C4051-12SU SOIC 20S2 20 12 Industrial (A) (-40°C to 85°C) Buy Request
AT89C4051-24PU PDIP 20P3 20 24 Industrial (A) (-40°C to 85°C) Buy Request
AT89C4051-12PU PDIP 20P3 20 12 Industrial (A) (-40°C to 85°C) Buy Request
AT89C4051-24SU SOIC 20S2 20 24 Industrial (A) (-40°C to 85°C) Buy Request