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DESCRIPTION

The CAT93C46/56/57/66/86 are 1K/2K/2K/4K/16K-bit Serial E2PROM memory devices which are configured as either registers of 16 bits (ORG pin at VCC) or 8 bits (ORG pin at GND). Each register can be written (or read) serially by using the DI (or DO) pin.

FEATURES

■ High Speed Operation:

– 93C46/56/57/66: 1MHz

– 93C86: 3MHz

■ Low Power CMOS Technology

■ 1.8 to 6.0 Volt Operation

■ Selectable x8 or x16 Memory Organization

■ Self-Timed Write Cycle with Auto-Clear

■ Hardware and Software Write Protection

■ Power-Up Inadvertant Write Protection

■ 1,000,000 Program/Erase Cycles

■ 100 Year Data Retention

■ Commercial, Industrial and Automotive Temperature Ranges

■ Sequential Read (except 93C46)

■ Program Enable (PE) Pin (93C86 only)