X24C02

Preliminary X24C02 Information 2K X24C02 Serial E2PROM 256 x 8 Bit FEATURES DESCRIPTION The X24C02 is CMOS a 2048 bit serial E2PROM, internally organized 256 x 8. The X24C02 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 common two wire bus. Xicor E2PROMs are designed and tested for applications requiring extended endurance. Inherent data retention is greater than 100 years. Available in DIP, MSOP and SOIC packages. 2.7V to 5.5V Power Supply Low Power CMOS —Active Current Less Than 1 mA —Standby Current Less Than 50 µA Internally Organized 256 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 New Hardwire—Write Control Function FUNCTIONAL DIAGRAM (8) VCC (4) VSS (7) WC START CYCLE (5) SDA START STOP LOGIC CONTROL LOGIC SLAVE ADDRESS REGISTER +COMPARATOR XDEC E2PROM 64 X 32 H.V. GENERATION TIMING & CONTROL (6) SCL (3) A2 (2) A1 (1) A0 LOAD INC WORD ADDRESS COUNTER R/W YDEC 8 CK PIN DOUT ACK 3838 FHD F01 DATA REGISTER DOUT © Xicor, 1991 Patents Pending 3838-1.2 7/30/96 T0/C3/D1 SH 1 Characteristics subject to change without notice X24C02 PIN DESCRIPTIONS Serial Clock (SCL) The SCL input is used to clock all data into and out of the ...