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Parametric List of 251 Devices Available from Atmel
| Atmel (251 Family) | ||||||||||||||||||||||||
| Part Number |
Device Core |
Max XTAL Speed (MIPS) |
On-chip RAM |
On-chip EEPROM |
On-chip FLASH |
On-chip ROM |
ROM Lock |
I/O Ports |
Interrupt Sources & Levels |
Timers / Counters |
Real Time Clock |
Watch Dog Timer |
Analog Comp- arators |
A/D Channels (Bits) |
D/A Channels (Bits) |
PCA PWM CAPCOM |
Communications | Power Down Mode |
Idle Mode |
Brown Out Detect |
Other Features |
Power Supply (Volts) |
Packages Available | Part Number |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| T87C251G1A | 251 | 16 MHz (8) | 1K | 16K EPROM/OTP | 32 | 9/4 | 3 | Y | 5/5/5 | UART, I²C, SPI | Y | Y | 4.0-6.0 | CQPJ44, DIP40, PLCC44 | T87C251G1A | |||||||||
| T8xC251A1 | 251 | 16 MHz (8) | 1K | 24K EPROM/ROM/OTP | 32 | 9/4 | 2 | Y | 4(8) | 5/5/5 | UART | Y | Y | 4.0-6.0 | PLCC44, QFP44, TQFP44 | T8xC251A1 | ||||||||
| T8xC251G1D | 251 | 24 MHz (12) | 1K | 16K EPROM/ROM/OTP | 32 | 9/4 | 3 | Y | 5/5/5 | UART, I²C, SPI | Y | Y | 4.0-6.0 | DIP40, PLCC44, VQFP44 | T8xC251G1D | |||||||||
| T8xC251G2D | 251 | 24 MHz (12) | 1K | 32K EPROM/ROM/OTP | 32 | 7/4 | 3 | Y | 5/5/5 | UART, I²C, SPI | Y | Y | 4.0-6.0 | CQPJ44, DIP40, PLCC44, VQFP44 | T8xC251G2D | |||||||||
Devices Found = 4.
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