| 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 |