Product Summary

The AT28C64B-25PC is a high-performance electrically-erasable and programmable read only memory (EEPROM). Its 64K of memory is organized as 8,192 words by 8 bits. Manufactured with Atmel’s advanced nonvolatile CMOS technology, the AT28C64B-25PC offers access times to 150 ns with power dissipation of just 220 mW. When the AT28C64B-25PC is deselected, the CMOS standby current is less than 100 uA.

Parametrics

AT28C64B-25PC absolute maximum ratings: (1)Storage Temperature: -65 to +150℃; (2)All Input Voltages (including NC Pins) with Respect to Ground: -0.6V to +6.25V; (3)All Output Voltages with Respect to Ground: -0.6V to VCC + 0.6V; (4)Voltage on OE and A9 with Respect to Ground:-0.6V to +13.5V; (5)Temperature Under Bias -55 to +125℃.

Features

AT28C64B-25PC 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)Page Write Cycle Time: 10 ms Maximum; (6)1 to 64-byte Page Write Operation; (7)Low Power Dissipation; (8)40 mA Active Current; (9)100 uA CMOS Standby Current; (10)Hardware and Software Data Protection; (11)DATA Polling and Toggle Bit for End of Write Detection; (12)High Reliability CMOS Technology; (13)Endurance: 100,000 Cycles; (14)Data Retention: 10 Years; (15)Single 5V ±10% Supply; (16)CMOS and TTL Compatible Inputs and Outputs; (17)JEDEC Approved Byte-wide Pinout; (18)Commercial and Industrial Temperature Ranges.

Diagrams

AT28C64B-25PC block diagram

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