CAT24WC66

CAT24WC66 64K-bit I2C Serial EEPROM with Partial Array Write Protection FEATURES „ 400kHz I2C Bus „ 1.8V to 5.5V supply voltage range „ Cascadable for up to eight devices „ 32-byte page write buffer „ Self-timed write cycle with auto-clear „ Schmitt trigger inputs for noise protection „ Write protection — Top 1/4 array protected when WP at VIH „ 1,000,000 program/erase cycles „ 100 year data retention „ Industrial and automotive temperature ranges „ RoHS-compliant packages DESCRIPTION The CAT24WC66 is a 64K-bit Serial CMOS EEPROM internally organized as 8192 words of 8 bits each. Catalyst’s advanced CMOS technology substantially reduces device power requirements. The CAT24WC66 features a 32-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. For Ordering Information details, see page 12. www.DataSheet4U.com PIN CONFIGURATION DIP Package (L) A0 A1 A2 VSS 1 2 3 4 8 7 6 5 VCC WP SCL SDA SOIC Package (W, X) A0 A1 A2 VSS 1 2 3 4 8 7 6 5 VCC WP SCL SDA FUNCTIONAL SYMBOL VCC SCL A2, A1, A0 WP CAT24CW66 SDA PIN FUNCTION Pin Name A0, A1, A2 SDA SCL WP VCC VSS Function Device Address Inputs Serial Data/Address Serial Clock Write Protect Power Supply Ground VSS * Catalyst Semiconductor is licensed by Philips Corporation to carry the I2C Bus Protocol. © 2006 Catalyst Semiconductor, Inc. Characteristics subject to change without notice 1 Doc. No. 1037 Rev. J CAT24WC66 ABSOLUTE MAXIMUM RATINGS(1...