8-bit microcontroller featuring an 8051 CPU core, operating at a maximum clock frequency of 40MHz. This CMOS device offers 16KB of FLASH ROM and 256 bytes of RAM, with 32 programmable I/O lines. It supports an 8-bit external data bus and a 16-bit address bus, with a supply voltage range of 2.7V to 5.5V. Packaged in a 40-pin PDIP (R-PDIP-T40) with a dual terminal position, it is rated for industrial temperature operation from -40°C to 85°C.
Frequency40
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Technical Specifications
Atmel AT89C51RB2-3CSUM 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
51.75
Pin Count
40
Temperature Grade
INDUSTRIAL
Supply Current-Max
29
Supply Voltage-Nom
5
Supply Voltage-Min
2.7
Supply Voltage-Max
5.5
Clock Frequency-Max
40
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
40
ROM Programmability
FLASH
ROM (words)
16384
RAM (bytes)
256
PWM Channels
YES
Has ADC
NO
DMA Channels
NO
DAC Channels
NO
Compliance
RoHS
Yes
Eccn Code
3A991.A.2
Lead Free
Yes
HTS Code
8542.31.00.01
REACH
Compliant
Military Spec
False
Datasheet
Atmel AT89C51RB2-3CSUM Datasheet
Download the complete datasheet for Atmel AT89C51RB2-3CSUM to view detailed technical specifications.
This datasheet cannot be embedded due to technical restrictions.