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The AT29C257 is a 5-volt-only in-system Flash programmable and erasable read only memory (PEROM). Its 256K of memory is organized as 32,768 words by 8 bits. Manufactured with ATMEL’s advanced nonvolatile CMOS technology, the device offers access times to 70 ns with power dissipation of just 275 mW. When the device is deselected, the CMOS standby current is less than 300 µA. The device endurance is such that any sector can typically be written to in excess of 10,000 times.
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AT29C257-12JC | AT29C257-12JI | AT29C257-12PC | AT29C257-15DC |
AT29C257-15JC | AT29C257-15JI | AT29C257-15PC | AT29C257-15PI |
AT29C257-20JC | AT29C257-20JI | AT29C257-20PC | AT29C257-25JC |
AT29C257-25JI | AT29C257-70JC | AT29C257-70JI | AT29C257-90JC |
AT29C257-90JI | AT29C257-90JU |
AT29C257 CMOS Flash Memory Package Types | |||
![]() Ceramic Dual Inline Package (CDIP) |
![]() Plastic Dual-In-Line Package (PDIP) |
![]() Plastic Quad J-leaded Chip Carrier (PQCC) |
AT29C257 CMOS Flash Memory Series Part Photos | |||
Additional Images ( 1 ) |
AT29C257-12JC (4) |
![]() AT29C257-90JC (2) |
Click the Inventory Part for an Immediate Price Quote | |||
AT29C257-12JC | AT29C257-12JI | AT29C257-12PC | AT29C257-15DC |
AT29C257-15JC | AT29C257-15JI | AT29C257-15PC | AT29C257-15PI |
AT29C257-20JC | AT29C257-20JI | AT29C257-20PC | AT29C257-25JC |
AT29C257-25JI | AT29C257-70JC | AT29C257-70JI | AT29C257-90JC |
AT29C257-90JI | AT29C257-90JU |
AT29C257 CMOS Flash Memory Marking Information | |||
AT29C257-12JC
ATMEL AT29C257 12JC 9913 |
AT29C257-90JC
ATMEL AT29C257 90JC 0718 |
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