8-bit microcontroller featuring an 8051 CPU core and 24MHz clock speed. This FLASH-based MCU offers 20480 words of ROM and 256 bytes of RAM. It includes 32 I/O lines, an 8-bit external data bus, and a 16-bit address bus. Operating within an industrial temperature range of -40°C to 85°C, this 44-terminal device utilizes a PQCC44 package. Supply voltage ranges from 4V to 6V with a maximum supply current of 25mA.
Frequency24
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Technical Specifications
Atmel AT89C55-24JI technical specifications.
General
Max Operating Temperature
85
Number of Terminals
44
Min Operating Temperature
-40
Terminal Position
QUAD
JEDEC Package Code
S-PQCC-J44
Width
16.5862
Length
16.5862
Pin Count
44
Temperature Grade
INDUSTRIAL
Supply Current-Max
25
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
24
ROM Programmability
FLASH
ROM (words)
20480
RAM (bytes)
256
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 AT89C55-24JI Datasheet
Download the complete datasheet for Atmel AT89C55-24JI to view detailed technical specifications.
This datasheet cannot be embedded due to technical restrictions.