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X28C64JI-15 Datasheet(PDF) 1 Page - Xicor Inc. |
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X28C64JI-15 Datasheet(HTML) 1 Page - Xicor Inc. |
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1 / 25 page  X28C64 1 5 Volt, Byte Alterable E2PROM © Xicor, Inc. 1991, 1995 Patents Pending Characteristics subject to change without notice 3853-2.7 4/2/96 T0/C3/D2 NS DESCRIPTION The X28C64 is an 8K x 8 E2PROM, fabricated with Xicor’s proprietary, high performance, floating gate CMOS technology. Like all Xicor programmable non- volatile memories the X28C64 is a 5V only device. The X28C64 features the JEDEC approved pinout for byte- wide memories, compatible with industry standard RAMs. The X28C64 supports a 64-byte page write operation, effectively providing a 78 µs/byte write cycle and en- abling the entire memory to be typically written in 0.625 seconds. The X28C64 also features DATA and Toggle Bit Polling, a system software support scheme used to indicate the early completion of a write cycle. In addi- tion, the X28C64 includes a user-optional software data protection mode that further enhances Xicor’s hard- ware write protect capability. Xicor E2PROMs are designed and tested for applica- tions requiring extended endurance. Inherent data re- tention is greater than 100 years. FEATURES • 150ns Access Time • Simple Byte and Page Write —Single 5V Supply —No External High Voltages or VPP Control Circuits —Self-Timed —No Erase Before Write —No Complex Programming Algorithms —No Overerase Problem • Low Power CMOS —60mA Active Current Max. —200 µA Standby Current Max. • Fast Write Cycle Times —64 Byte Page Write Operation —Byte or Page Write Cycle: 5ms Typical —Complete Memory Rewrite: 0.625 sec. Typical —Effective Byte Write Cycle Time: 78 µs Typical • Software Data Protection • End of Write Detection — DATA Polling —Toggle Bit • High Reliability —Endurance: 100,000 Cycles —Data Retention: 100 Years • JEDEC Approved Byte-Wide Pinout 64K X28C64 8K x 8 Bit PIN CONFIGURATION PLASTIC DIP CERDIP FLAT PACK SOIC 3853 FHD F02 NC A12 A7 A6 A5 A4 A3 A2 A1 A0 I/O0 I/O1 I/O2 VSS 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/04 I/O3 X28C64 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 X28C64 3853 ILL F23.1 A3 A4 A5 A6 A7 A12 NC NC VCC NC WE NC A8 A9 A11 OE 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 A2 A1 A0 I/O0 I/O1 I/O2 NC VSS NC I/O3 I/O4 I/O5 I/O6 I/O7 CE A10 TSOP 3853 FHD F03 A6 A5 A4 A3 A2 A1 A0 NC I/O0 A8 A9 A11 NC OE A10 CE I/O7 I/O6 4 3 2 1 32 31 30 14 15 16 17 18 19 20 5 6 7 8 9 10 11 12 13 29 28 27 26 25 24 23 22 21 X28C64 LCC PLCC |
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