8-Bit Microcontroller, featuring an 8051 CPU core and 20MHz clock speed. This CMOS device offers 4KB FLASH ROM and 128 bytes RAM, with 32 programmable I/O lines. It operates within an industrial temperature range of -40°C to 85°C and supports a supply voltage from 4V to 6V. Packaged in a 40-pin PDIP (R-PDIP-T40) with a 0.600-inch width, it includes an 8-bit external data bus and a 16-bit address bus.
Frequency20
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Technical Specifications
Atmel AT89C51-20PI technical specifications.
General
Max Operating Temperature
85
Number of Terminals
40
Min Operating Temperature
-40
Terminal Position
DUAL
JEDEC Package Code
R-PDIP-T40
Width
15.24
Length
52.2
Pin Count
40
Temperature Grade
INDUSTRIAL
Supply Voltage-Nom
5
Supply Voltage-Min
4
Supply Voltage-Max
6
Clock Frequency-Max
24
uPs/uCs/Peripheral ICs Type
MICROCONTROLLER
Number of I/O Lines
32
External Data Bus Width
8
Address Bus Width
16
Bit Size
8
Speed
20
ROM Programmability
FLASH
ROM (words)
4096
RAM (bytes)
128
PWM Channels
NO
Has ADC
NO
DMA Channels
NO
DAC Channels
NO
Compliance
RoHS
No
HTS Code
8542.31.00.01
REACH
unknown
Military Spec
False
Datasheet
Atmel AT89C51-20PI Datasheet
Download the complete datasheet for Atmel AT89C51-20PI to view detailed technical specifications.
This datasheet cannot be embedded due to technical restrictions.