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X28C512T-25 Datasheet(PDF) 1 Page - Xicor Inc. |
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X28C512T-25 Datasheet(HTML) 1 Page - Xicor Inc. |
1 / 25 page X28C512/X28C513 1 512K X28C512/X28C513 64K x 8 Bit 5 Volt, Byte Alterable E2PROM © Xicor, Inc. 1991, 1995, 1996 Patents Pending Characteristics subject to change without notice 3856-3.2 8/5/97 T1/C0/D0 EW FEATURES • Access Time: 90ns • 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: —Active: 50mA —Standby: 500 µA • Software Data Protection —Protects Data Against System Level Inadvertant Writes • High Speed Page Write Capability • Highly Reliable Direct Write™ Cell —Endurance: 100,000 Write Cycles —Data Retention: 100 Years • Early End of Write Detection — DATA Polling —Toggle Bit Polling • Two PLCC and LCC Pinouts —X28C512 —X28C010 E2PROM Pin Compatible —X28C513 —Compatible with Lower Density E2PROMs DESCRIPTION The X28C512/513 is an 64K x 8 E2PROM, fabricated with Xicor’s proprietary, high performance, floating gate CMOS technology. Like all Xicor programmable non- volatile memories the X28C512/513 is a 5V only device. The X28C512/513 features the JEDEC approved pinout for bytewide memories, compatible with industry stan- dard EPROMS. The X28C512/513 supports a 128-byte page write op- eration, effectively providing a 39 µs/byte write cycle and enabling the entire memory to be written in less than 2.5 seconds. The X28C512/513 also features DATA Polling and Toggle Bit Polling, system software support schemes used to indicate the early completion of a write cycle. In addition, the X28C512/513 supports the Software Data Protection option. PIN CONFIGURATIONS 3856 FHD F01 NC NC A15 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 15 16 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 VCC WE NC A14 A13 A8 A9 A11 OE A10 CE I/O7 I/O6 I/O5 I/04 I/O3 X28C512 PLASTIC DIP CERDIP FLAT PACK SOIC (R) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 X28C512 3856 ILL F22 OE A10 CE I/O7 I/O6 I/O5 I/O4 I/O3 NC NC VSS NC NC I/O2 I/O1 I/O0 A0 A1 A2 A3 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 A11 A9 A8 A13 A14 NC NC NC WE VCC NC NC NC NC A15 A12 A7 A6 A5 A4 TSOP X28C512 (TOP VIEW) A7 A6 A5 A4 A3 A2 A1 A0 I/O0 A13 A8 A9 A11 OE A10 CE I/O7 A14 3856 FHD F03 232 6 1 5 43 8 7 9 10 11 12 13 15 17 16 18 19 20 22 23 24 25 26 27 28 29 31 14 21 30 PLCC / LCC X28C513 (TOP VIEW) A6 A5 A4 A3 A2 A1 A0 NC I/O0 A9 A11 NC A10 OE I/O7 CE I/O6 A8 3856 FHD F04 232 6 1 5 43 8 7 9 10 11 12 13 15 17 16 18 19 20 22 23 24 25 26 27 28 29 31 21 14 30 PGA 3856 FHD F02 BOTTOM VIEW 14 A0 16 I/O1 18 VSS 11 A3 9 A5 7 A7 15 I/O0 17 I/O2 19 I/O3 5 A15 2 NC 36 VCC 20 I/O4 21 I/O5 34 NC 23 I/O7 25 A10 27 A11 29 A8 22 I/O6 32 NC 24 CE 26 OE 28 A9 30 A13 13 A1 12 A2 10 A4 8 A6 4 NC 3 NC 1 NC 35 WE 33 NC 31 A14 6 A12 |
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