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CAT28F020LA-90T Datasheet(PDF) 1 Page - Catalyst Semiconductor |
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CAT28F020LA-90T Datasheet(HTML) 1 Page - Catalyst Semiconductor |
1 / 15 page 1 I/O0–I/O7 I/O BUFFERS CE, OE LOGIC SENSE AMP DATA LATCH ERASE VOLTAGE SWITCH PROGRAM VOLTAGE SWITCH COMMAND REGISTER CE OE WE VOLTAGE VERIFY SWITCH Y-DECODER X-DECODER Y-GATING 2,097,152 BIT MEMORY ARRAY A0–A17 CAT28F020 2 Megabit CMOS Flash Memory Licensed Intel second source © 2004 by Catalyst Semiconductor, Inc. Characteristics subject to change without notice FEATURES I Fast read access time: 90/120 ns I Low power CMOS dissipation: – Active: 30 mA max (CMOS/TTL levels) – Standby: 1 mA max (TTL levels) – Standby: 100 µA max (CMOS levels) I High speed programming: – 10 µs per byte – 4 seconds typical chip program I 0.5 seconds typical chip-erase I 12.0V ± 5% programming and erase voltage I Commercial, industrial and automotive temperature ranges I Stop timer for program/erase I On-chip address and data latches I JEDEC standard pinouts: – 32-pin DIP – 32-pin PLCC – 32-pin TSOP (8 x 20) I 100,000 program/erase cycles I 10 year data retention I Electronic signature using a two write cycle scheme. Address and Data are latched to free the I/O bus and address bus during the write operation. The CAT28F020 is manufactured using Catalyst’s advanced CMOS floating gate technology. It is designed to endure 100,000 program/erase cycles and has a data retention of 10 years. The device is available in JEDEC approved 32-pin plastic DIP, 32-pin PLCC or 32-pin TSOP packages. DESCRIPTION The CAT28F020 is a high speed 256K x 8-bit electrically erasable and reprogrammable Flash memory ideally suited for applications requiring in-system or after-sale code updates. Electrical erasure of the full memory contents is achieved typically within 0.5 second. It is pin and Read timing compatible with standard EPROM and E2PROM devices. Programming and Erase are performed through an operation and verify algorithm. The instructions are input via the I/O bus, 5115 FHD F02 BLOCK DIAGRAM Doc. No. 1029, Rev. C ALO GEN FR TM LEAD FREE |
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Descripción similar - CAT28F020LA-90T |
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