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CAT93C46RYI-GT Datasheet(PDF) 1 Page - Catalyst Semiconductor |
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CAT93C46RYI-GT Datasheet(HTML) 1 Page - Catalyst Semiconductor |
1 / 13 page © 2006 by Catalyst Semiconductor, Inc. Characteristics subject to change without notice 1 Doc. No. 1107, Rev. F FEATURES I High speed operation: 4MHz @ 5V, 2MHz @ 1.8V I 1.8V to 5.5V supply voltage range I Selectable x8 or x16 memory organization I Sequential read I Software write protection I Power-up inadvertent write protection I Low power CMOS technology I 1,000,000 program/erase cycles I 100 year data retention I Industrial temperature range I RoHS-compliant 8-pin PDIP, SOIC, TSSOP and 8-pad TDFN packages PIN CONFIGURATION DESCRIPTION The CAT93C46R is a 1-Kb CMOS Serial EEPROM device which is organized as either 64 registers of 16 bits or 128 registers of 8 bits, as determined by the state of the ORG pin. The CAT93C46R 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. In contrast to the CAT93C46, the CAT93C46R features an internal instruction clock counter which provides improved noise immunity for Write/Erase commands. FUNCTIONAL SYMBOL Note: When the ORG pin is connected to VCC, the x16 organization is selected. When it is connected to ground, the x8 pin is selected. If the ORG pin is left unconnected, then an internal pull-up device will select the x16 organization. CS SK DI ORG DO VCC GND CAT93C46R PIN FUNCTIONS 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 CAT93C46R 1-Kb Microwire Serial EEPROM PDIP (L) SOIC (V, X) TSSOP (Y) TDFN (VP2) SOIC (W) 8 7 6 5 VCC NC ORG GND DI CS SK DO 1 2 3 4 8 7 6 5 ORG GND DO DI CS NC VCC SK 1 2 3 4 For Ordering Information details, see page 12. * The Green & Gold seal identifies RoHS-compliant packaging, using NiPdAu pre-plated lead frames. |
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