28C64A

Turbo IC, Inc. 28C64A HIGH SPEED CMOS 64K ELECTRICALLY ERASABLE PROGRAMMABLE ROM 8K X 8 BIT EEPROM FEATURES: 120 ns Access Time Automatic Page Write Operation Internal Control Timer Internal Data and Address Latches for 64 Bytes Fast Write Cycle Times Byte or Page Write Cycles: 10 ms Time to Rewrite Complete Memory: 1.25 sec Typical Byte Write Cycle Time: 160 µsec Software Data Protection Low Power Dissipation 50 mA Active Current 200 µA CMOS Standby Current Direct Microprocessor End of Write Detection Data Polling High Reliability CMOS Technology with Self Redundant EEPROM Cell Endurance: 100,000 Cycles Data Retention: 10 Years TTL and CMOS Compatible Inputs and Outputs Single 5 V ± 10% Power Supply for Read and Programming l Operations JEDEC Approved Byte-Write Pinout A7 NC A12 A6 A5 A4 A3 A2 A1 A0 NC I/O0 VCC NC WE A8 A9 A11 NC OE A10 CE I/O7 I/O6 NC NC A12 5 4 3 2 1 32 31 3029 6 28 7 8 9 10 11 27 26 25 24 23 A7 A6 A5 A4 A3 A2 A1 A0 I/O0 I/O1 I/O1 GND I/O3 I/O2 NC I/O5 I/O2 GND 1 2 3 4 5 6 7 8 9 10 11 12 13 14 28 27 26 25 24 23 22 21 20 19 18 17 16 15 VCC WE NC A8 A9 A11 OE A10 CE I/O7 I/O6 I/O5 I/O4 I/O3 NC A12 A7 A6 A5 A4 A3 A2 A1 A0 I/O0 I/O1 I/O2 GND 1 2 3 4 5 6 7 8 9 10 11 12 13 14 28 27 26 25 24 23 22 21 20 19 18 17 16 15 VCC WE NC A8 A9 A11 OE A10 CE I/O7 I/O6 I/O5 I/O4 I/O3 DESCRIPTION: The Turbo IC 28C64A is a 8K X 8 EEPROM fabricated with Turbo’s proprietary, high reliability, high performance CMOS technology. The 64K bits of memory are orga...