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CAT28F001NI-12TT Datasheet(PDF) 1 Page - Catalyst Semiconductor |
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CAT28F001NI-12TT Datasheet(HTML) 1 Page - Catalyst Semiconductor |
1 / 18 page 1 © 2005 by Catalyst Semiconductor, Inc. Characteristics subject to change without notice ALO GEN FR TM LEAD FREE Doc. No. 1078, Rev. I CAT28F001 1 Megabit CMOS Boot Block Flash Memory FEATURES I Fast Read Access Time: 90/120 ns I On-Chip Address and Data Latches I Blocked Architecture — One 8 KB Boot Block w/ Lock Out • Top or Bottom Locations — Two 4 KB Parameter Blocks — One 112 KB Main Block I Low Power CMOS Operation I 12.0V ± 5% Programming and Erase Voltage I Automated Program & Erase Algorithms I High Speed Programming I Commercial, Industrial and Automotive Temperature Ranges I Deep Powerdown Mode — 0.05 µA I CC Typical — 0.8 µA I PP Typical I Hardware Data Protection I Electronic Signature I 100,000 Program/Erase Cycles and 10 Year Data Retention I JEDEC Standard Pinouts: — 32 pin DIP — 32 pin PLCC — 32 pin TSOP I Reset/Deep Power Down Mode I "Green" Package Options Available I/O0–I/O7 I/O BUFFERS CE, OE LOGIC SENSE AMP DATA LATCH ERASE VOLTAGE SWITCH COMMAND REGISTER CE OE WE VOLTAGE VERIFY SWITCH Y-DECODER X-DECODER Y-GATING 8K-BYTE BOOT BLOCK 4K-BYTE PARAMETER BLOCK 4K-BYTE PARAMETER BLOCK 112K-BYTE MAIN BLOCK A0–A16 WRITE STATE MACHINE ADDRESS COUNTER STATUS REGISTER PROGRAM VOLTAGE SWITCH RP BLOCK DIAGRAM DESCRIPTION The CAT28F001 is a high speed 128K X 8 bit electrically erasable and reprogrammable Flash memory ideally suited for applications requiring in-system or after sale code updates. The CAT28F001 has a blocked architecture with one 8 KB Boot Block, two 4 KB Parameter Blocks and one 112 KB Main Block. The Boot Block section can be at the top or bottom of the memory map and includes a reprogram- ming write lock out feature to guarantee data integrity. It is designed to contain secure code which will bring up the system minimally and download code to other loca- tions of CAT28F001. The CAT28F001 is designed with a signature mode which allows the user to identify the IC manufacturer and device type. The CAT28F001 is also designed with on- Chip Address Latches, Data Latches, Programming and Erase Algorithms. The CAT28F001 is manufactured using Catalyst’s ad- vanced 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, PLCC or TSOP packages. Licensed Intel second source |
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