CAT28WC129 Datasheet | Catalyst Semiconductor

FEATURES s 1MHz I2C Bus patible- s 1.8 to 6 Volt Operation s Low Power CMOS Technology s 64-Byte Page Write Buffer s Self-Timed .. s Write Protect Feature - Top 1/4 Array Protected When WP at VIH s 100,000 Program/Erase Cycles s 100 Year Data Retention s 8-Pin DIP or 8-Pin SOIC Write Cycle with Auto-Clear s mercial, Industrial and Automotive Temperature Ranges DESCRIPTION The CAT24WC129 is a 128K-bit Serial CMOS E2PROM internally organized as 16384 words of 8 bits each. Catalyst’s advanced CMOS technology substantially reduces device power requirements. The CAT24WC129 features a 64-byte page write buffer. The device operates via the I2C bus serial interface and is available in 8-pin DIP or 8-pin SOIC packages. PIN CONFIGURATION DIP Package (P) NC NC NC VSS 1 2 3 4 8 7 6 5 VCC WP SCL SDA BLOCK DIAGRAM EXTERNAL LOAD DOUT ACK SENSE AMPS SHIFT REGISTERS VCC VSS WORD ADDRESS BUFFERS COLUMN DECODERS 512 SOIC Package (J,K) NC NC NC VSS 1 2 3 4 8 7 6 5 VCC WP SCL SDA START/STOP LOGIC XDEC WP CONTROL LOGIC E2PROM 256X512 24WC129 F01 PIN FUNCTIONS Pin Name SDA SCL WP VCC VSS Function Serial Data/Address Serial Clock Write Protect +1.8V to +6V Power Supply STATE COUNTERS DATA IN STORAGE HIGH VOLTAGE/ TIMING CONTROL Ground 24WC129 F02 - Catalyst Semiconductor is licensed by Philips Corporation to carry the I2C Bus Protocol. © 1998 by Catalyst Semiconductor, Inc. Characteristics subject to change without notice Doc. No. 25065-00 6/99 S-1 CAT24WC129 Preliminary ABSOLUTE MAXIMUM RATINGS- Temperature Under...