Product Summary
The at28c256-15ji is a high-performance Electrically Erasable and Programmable Read Only Memory. 256K of memory of the at28c256-15ji is organized as 32,768 words by 8 bits. Manufactured with Atmel advanced nonvolatile CMOS technology, the at28c256-15ji offers access times to 150 ns with power dissipation of just 440mW. When the at28c256-15ji is deselected, the CMOS standby current is less than 200μA. The at28c256-15ji is accessed like a Static RAM. The page write operation of the at28c256-15ji allows 1 to 64-bytes of data to be written into the at28c256-15ji during a single internal programming period.
Parametrics
at28c256-15ji absolute maximum ratings: (1) Temperature Under Bias: -55 to +125°C; (2) Storage Temperature: -65 to +150°C; (3) All Input Voltages (including NC Pins) with Respect to Ground: -0.6 to +6.25V; (4) All Output Voltages with Respect to Ground: -0.6 to VCC +0.6V; (5) Voltage on OE and A9 with Respect to Ground: -0.6 to +13.5V.
Features
at28c256-15ji features: (1) Fast Read Access Time - 150 ns; (2) Automatic Page Write Operation; (3) Internal Address and Data Latches for 64-Bytes; (4) Fast Write Cycle Times; (5) Low Power Dissipation: 50mA Active Current; (6) Hardware and Software Data Protection; (7) DATA Polling for End of Write Detection; (8) High Reliability CMOS Technology; (9) Single 5V ±10% Supply; (10) CMOS and TTL Compatible Inputs and Outputs; (11) JEDEC Approved Byte-Wide Pinout; (12) Full Military, Commercial, and Industrial Temperature Ranges.
Diagrams
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![]() AT28C256-15JI |
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![]() EEPROM 256K 11MIL GRIND - 150NS IND TEMP |
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