ST25C04 - ST Microelectronics

ST25C04 (ST2xxx) 4 Kbit Serial I2C Bus EEPROM with User-Defined Block Write Protection

This specification covers a range of 4 Kbits I2C bus EEPROM products, the ST24/25C04 and the ST24/25W04. In the text, products are referred to as ST24/25x04, where "x" is: "C" for Standard version and "W" for hardware Write Control version. Table 1. Signal Names PRE E1-E2 SDA SCL MODE WC VCC VSS Write Protect Enable Chip Enable Inputs Serial Data Address Inp.

Features

le Chip Enable Inputs Serial Data Address Input/Output Serial Clock Multibyte/Page Write Mode (C version) Write Control (W version) Supply Voltage Ground VCC 2 E1-E2 PRE SCL MODE/WC
* ST24x04 ST25x04 SDA VSS AI00851E Note: WC signal is only available for ST24/25W04 products. February 1999 1/16 ST24/25C04, ST24/25W04 Figure 2A. DIP Pin Connections Figure 2B. SO Pin Connections ST24x04 ST25x04 PRE E1 E2 VSS 1 2 3 4 8 7 6 5 AI00852E ST24x04 ST25x04 VCC MODE/WC SCL SDA PRE E1 E2 VSS 1 2 3 4 8 7 6 5 AI01107E VCC MODE/WC SCL SDA Table 2. Absolute Maximum Ratings (1) Symbol TA TSTG TLEAD .