| Electronic component: | Description: | Manuf. | Package | Pins | T°min | T°max | Datasheet |
|---|
| AT27C256R-45JC | 256K (128K x 8) OTP CMOS EPROM | ATMEL-Corporation | PLCC | 32 | 0°C | 70°C | 251 K |
| AT27C256R-45PC | 256K (128K x 8) OTP CMOS EPROM | ATMEL-Corporation | PDIP | 28 | 0°C | 70°C | 251 K |
| AT27C256R-45RC | 256K (128K x 8) OTP CMOS EPROM | ATMEL-Corporation | SOIC | 28 | 0°C | 70°C | 251 K |
| AT29C257-12JC | 256K (128K x 8) 5-volt only CMOS flash memory | ATMEL-Corporation | PLCC | 32 | 0°C | 70°C | 562 K |
| AT29C257-12JI | 256K (128K x 8) 5-volt only CMOS flash memory | ATMEL-Corporation | PLCC | 32 | -40°C | 85°C | 562 K |
| AT29C257-15JC | 256K (128K x 8) 5-volt only CMOS flash memory | ATMEL-Corporation | PLCC | 32 | 0°C | 70°C | 562 K |
| AT29C257-15JI | 256K (128K x 8) 5-volt only CMOS flash memory | ATMEL-Corporation | PLCC | 32 | -40°C | 85°C | 562 K |
| AT29C257-70JI | 256K (128K x 8) 5-volt only CMOS flash memory | ATMEL-Corporation | PLCC | 32 | -40°C | 85°C | 562 K |
| AT29C257-90JC | 256K (128K x 8) 5-volt only CMOS flash memory | ATMEL-Corporation | PLCC | 32 | 0°C | 70°C | 562 K |
| AT29C257-90JI | 256K (128K x 8) 5-volt only CMOS flash memory | ATMEL-Corporation | PLCC | 32 | -40°C | 85°C | 562 K |
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