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CAT93C66XI-T2 Datasheet(PDF) 1 Page - ON Semiconductor |
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CAT93C66XI-T2 Datasheet(HTML) 1 Page - ON Semiconductor |
1 / 17 page CAT93C66 © 2009 SCILLC. All rights reserved 1 Doc. No. MD-1089 Rev. T Characteristics subject to change without notice 4-Kb Microwire Serial CMOS EEPROM FEATURES High speed operation: 2MHz 1.8V to 5.5V supply voltage range Selectable x8 or x16 memory organization Sequential read Software write protection Power-up inadvertant write protection Low power CMOS technology 1,000,000 Program/erase cycles 100 year data retention Industrial and Extended temperature ranges RoHS-compliant 8-pin PDIP, SOIC, TSSOP and 8-pad TDFN packages PIN CONFIGURATION PDIP (L) SOIC (V, X) TSSOP (Y) TDFN (VP2, ZD4)* CS 1 8 VCC SK 2 7 NC DI 3 6 ORG DO 4 5 GND SOIC (W)* NC 1 8 ORG VCC 2 7 GND CS 3 6 DO SK 4 5DI * TDFN 3x3mm (ZD4) and SOIC (W) rotated pin-out packages are available only for Die Rev E (not recommended for new designs) PIN FUNCTION Pin Name Function CS Chip Select SK Clock Input DI Serial Data Input DO Serial Data Output VCC Power Supply GND Ground ORG Memory Organization NC No Connection DESCRIPTION The CAT93C66 is a 4-Kb CMOS Serial EEPROM device which is organized as either 256 registers of 16 bits (ORG pin at VCC) or 512 registers of 8 bits (ORG pin at GND). Each register can be written (or read) serially by using the DI (or DO) pin. The CAT93C66 features sequential read and self-timed internal write with auto-clear. On-chip Power-On Reset circuitry protects the internal logic against powering up in the wrong state. For Ordering Information details, see page 15. FUNCTIONAL SYMBOL CS SK DI ORG DO CAT93C66 VCC GND Note: When the ORG pin is connected to VCC, the x16 organization is selected. When it is connected to ground, the x8 organization is selected. If the ORG pin is left unconnected, then an internal pull-up device will select the x16 organization |
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