8-bit microcontroller featuring an 8051 CPU architecture and 33MHz clock speed. This CMOS device offers 20480 words of FLASH ROM and 256 bytes of RAM. It includes 32 I/O lines, an 8-bit external data bus, and a 16-bit address bus. Packaged in a 44-terminal PQCC with a commercial temperature grade, operating from a 4.5V to 5.5V supply.
Frequency33
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Technical Specifications
Atmel AT89C55-33JC technical specifications.
General
Max Operating Temperature
70
Number of Terminals
44
Min Operating Temperature
0
Terminal Position
QUAD
JEDEC Package Code
S-PQCC-J44
Width
16.5862
Length
16.5862
Pin Count
44
Temperature Grade
COMMERCIAL
Supply Voltage-Nom
5
Supply Voltage-Min
4.5
Supply Voltage-Max
5.5
Clock Frequency-Max
33
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
33
ROM Programmability
FLASH
ROM (words)
20480
RAM (bytes)
256
PWM Channels
NO
Has ADC
NO
DMA Channels
NO
DAC Channels
NO
Compliance
RoHS
No
Eccn Code
3A991.A.2
HTS Code
8542.31.00.01
REACH
Compliant
Military Spec
False
Datasheet
Atmel AT89C55-33JC Datasheet
Download the complete datasheet for Atmel AT89C55-33JC to view detailed technical specifications.
This datasheet cannot be embedded due to technical restrictions.