CAT25080

CAT25080, CAT25160 8-Kb and 16-Kb SPI Serial CMOS EEPROM FEATURES „ 10 MHz SPI compatible „ 1.8V to 5.5V supply voltage range „ SPI modes (0,0) & (1,1) „ 32-byte page write buffer „ Self-timed write cycle „ Hardware and software protection „ Block write protection – Protect 1/4, 1/2 or entire EEPROM array „ Low power CMOS technology „ 1,000,000 program/erase cycles „ 100 year data retention „ Industrial temperature range „ RoHS-compliant 8 lead PDIP, SOIC, TSSOP and 8-pad TDFN, UDFN packages www.DataSheet4U.com DESCRIPTION The CAT25080/25160 are 8-Kb/16-Kb Serial CMOS EEPROM devices internally organized as 1024x8/2048x8 bits. They feature a 32-byte page write buffer and support the Serial Peripheral Interface (SPI) protocol. The device is enabled through a Chip ¯¯ ) input. In addition, the required bus signals Select (CS are a clock input (SCK), data input (SI) and data ¯¯¯¯¯ input may be used to output (SO) lines. The HOLD pause any serial communication with the CAT25080/25160 device. These devices feature software and hardware write protection, including partial as well as full array protection. PIN CONFIGURATION PDIP (L) SOIC (V) TSSOP (Y) TDFN (VP2) UDFN (HU2) ¯¯ CS SO ¯¯¯ WP VSS 1 2 3 4 8 VCC ¯¯¯¯¯ 7 HOLD 6 SCK 5 SI FUNCTIONAL SYMBOL VCC SI CS WP HOLD SCK CAT25080 CAT25160 SO PIN FUNCTION Pin Name ¯¯ CS SO ¯¯¯ WP VSS SI SCK ¯¯¯¯¯ HOLD VCC Function Chip Select Serial Data Output Write Protect Ground Serial Data Input Serial Clock Hold Transmission Input Power Supply...