| Electronic component: | Description: | Manuf. | Package | Pins | T°min | T°max | Datasheet |
|---|
| AT27C256R-90JC | 256K (128K x 8) OTP CMOS EPROM | ATMEL-Corporation | PLCC | 32 | 0°C | 70°C | 251 K |
| AT27C256R-90JI | 256K (128K x 8) OTP CMOS EPROM | ATMEL-Corporation | PLCC | 32 | -40°C | 85°C | 251 K |
| AT27C256R-90PC | 256K (128K x 8) OTP CMOS EPROM | ATMEL-Corporation | PDIP | 28 | 0°C | 70°C | 251 K |
| AT27C256R-90PI | 256K (128K x 8) OTP CMOS EPROM | ATMEL-Corporation | PDIP | 28 | -40°C | 85°C | 251 K |
| AT27C256R-90RC | 256K (128K x 8) OTP CMOS EPROM | ATMEL-Corporation | SOIC | 28 | 0°C | 70°C | 251 K |
| AT27C256R-90RI | 256K (128K x 8) OTP CMOS EPROM | ATMEL-Corporation | SOIC | 28 | -40°C | 85°C | 251 K |
| AT27C256R-90TC | 256K (128K x 8) OTP CMOS EPROM | ATMEL-Corporation | TSOP | 28 | 0°C | 70°C | 251 K |
| AT28HC256F-90UM/883 | 256(32K x 8) high speed CMOS EPROM | ATMEL-Corporation | PGA | 28 | -55°C | 125°C | 728 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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