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X76F100 Datasheet(PDF) 1 Page - Xicor Inc. |
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X76F100 Datasheet(HTML) 1 Page - Xicor Inc. |
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1 / 16 page  REV 1.0 6/22/00 Characteristics subject to change without notice. 1 of 16 www.xicor.com 1K X76F100 128 x 8 Bit Secure SerialFlash FEATURES • 64-bit password security • One array (112-bytes) two passwords (16-bytes) —Read password —Write password • Programmable passwords • Retry counter register —Allows 8 tries before clearing of the array • 32-bit response to reset (rst input) • 8-byte sector Write Mode • 1MHz clock rate • 2-wire serial interface • Low power CMOS —3.0 to 5.5V operation —Standby current less than 1µA —Active current less than 3 mA • High reliability endurance: —100,000 write cycles • Data retention: 100 years • Available in: —8-lead PDIP, SOIC, MSOP, and smart car module DESCRIPTION The X76F100 is a Password Access Security Supervi- sor, containing one 896-bit Secure SerialFlash array. Access to the memory array can be controlled by two 64-bit passwords. These passwords protect read and write operations of the memory array. The X76F100 features a serial interface and software protocol allowing operation on a popular two wire bus. The bus signals are a clock Input (SCL) and a bidirec- tional data input and output (SDA). Access to the device is controlled through a chip select (CS) input, allowing any number of devices to share the same bus. The X76F100 also features a synchronous response to reset providing an automatic output of a hard-wired 32-bit data stream conforming to the industry standard for memory cards. The X76F100 utilizes Xicor’s proprietary Direct Write™ cell, providing a minimum endurance of 100,000 cycles and a minimum data retention of 100 years. BLOCK DIAGRAM Logic CS SCL SDA RST Interface 8K Byte Data Transfer Array Access Enable Reset Response Register Password Array and Password Verification Logic Chip Enable Retry Counter SerialFlash Array 32 Byte SerialFlash Array Array 0 Array 1 (Password Protected) (Password Protected) |
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