EU RoHS |
Compliant |
ECCN (US) |
EAR99 |
Part Status |
Active |
HTS |
8542.31.00.01 |
Automotive |
No |
PPAP |
No |
Family Name |
AT89 |
Instruction Set Architecture |
CISC |
Device Core |
8051 |
Core Architecture |
8051 |
Maximum CPU Frequency (MHz) |
24 |
Maximum Clock Rate (MHz) |
24 |
Data Bus Width (bit) |
8 |
Program Memory Type |
Flash |
Program Memory Size |
4KB |
RAM Size |
128B |
Maximum Expanded Memory Size |
64KB |
Programmability |
Yes |
Interface Type |
UART |
Number of I/Os |
32 |
No. of Timers |
2 |
USART |
0 |
UART |
1 |
USB |
0 |
SPI |
0 |
I2C |
0 |
I2S |
0 |
CAN |
0 |
Ethernet |
0 |
Minimum Operating Supply Voltage (V) |
4 |
Typical Operating Supply Voltage (V) |
5 |
Maximum Operating Supply Voltage (V) |
5.5 |
Minimum Operating Temperature (°C) |
-40 |
Maximum Operating Temperature (°C) |
85 |
Supplier Temperature Grade |
Industrial |
Packaging |
Tube |
Pin Count |
44 |
Standard Package Name |
LCC |
Supplier Package |
PLCC |
Mounting |
Surface Mount |
Package Height |
3.48(Max) |
Package Length |
16.7(Max) |
Package Width |
16.7(Max) |
PCB changed |
44 |
Lead Shape |
J-Lead |