X24012 Datasheet | Xicor

FEATURES - 2.7 to 5.5V Power Supply - Low Power CMOS - Active Current Less Than 1 m A - Standby Current Less Than 50 µA - Internally Organized 128 x 8 - Self Timed Write Cycle - Typical Write Cycle Time of 5 ms - 2 Wire Serial Interface - Bidirectional Data Transfer Protocol - Four Byte Page Write Operation - Minimizes Total Write Time Per Byte - High Reliability - Endurance: 100,000 Cycles - Data Retention: 100 Years DESCRIPTION The X24012 is a CMOS 1024 bit serial E2PROM, internally organized as one 128 x 8 bank. The X24012 features a serial interface and software protocol allowing operation on a simple two wire bus. Three address inputs allow up to eight devices to share a mon two wire bus. Xicor E2PROMs are designed and tested for applications requiring extended endurance. Inherent data retention is greater than 100 years. The X24012 is available in eight pin DIP and SOIC packages. FUNCTIONAL DIAGRAM (8) VCC (4) VSS (5) SDA (6) SCL (3) A2 (2) A1 (1) A0 START STOP LOGIC SLAVE ADDRESS REGISTER +PARATOR START CYCLE CONTROL LOGIC LOAD WORD ADDRESS COUNTER XDEC H.V. GENERATION TIMING & CONTROL E2PROM 32 X 32 R/W PIN DOUT ACK YDEC 8 CK DATA REGISTER DOUT 3847 FHD F01 © Xicor, 1991 Patents Pending...