X24164 Datasheet (data sheet) PDF





X24164 Datasheet, Serial E2PROM

X24164   X24164  

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X24164 Preliminary Information 16K X241 64 Serial E2PROM 2048 x 8 Bit FEATURE S DESCRIPTION The X24164 is a CMOS 16, 384 bit serial E2PROM, internally organ ized 2048 x 8. The X24164 features a se rial interface and software protocol al lowing operation on a simple two wire b us. Three device select inputs (S0–S2 ) allow up to eight devices to share a common two wire bus. Xicor E2PROMs are designed and tested for applications re quiring extended endurance. Inherent da ta retention is greater than 100 years. • • • • • • • • • 2.7V to 5.5V Power Supply Low Power CM OS —Active Read Current Less Than 1 m A —Active Write Current Less Than 3 mA —Standby

X24164 Datasheet, Serial E2PROM

X24164   X24164  
Current Less Than 50 µA Internally Org anized 2048 x 8 2 Wire Serial Interface —Bidirectional Data Transfer Protoco l Sixteen Byte Page Write Mode —Minim izes Total Write Time Per Byte Self Tim ed Write Cycle —Typical Write Cycle T ime of 5 ms High Reliability —Enduran ce: 100,000 Cycles —Data Retention: 1 00 Years Pin and Function Compatible wi th X24C16 8-Pin Plastic DIP and 8-Lead SOIC Packages FUNCTIONAL DIAGRAM (8) V CC (4) VSS (5) SDA START STOP LOGIC CON TROL LOGIC SLAVE ADDRESS REGISTER +COMP ARATOR XDEC E2PROM 128 X 128 START CYCL E H.V. GENERATION TIMING & CONTROL (6) SCL (3) S2 (2) S1 (1) S0 LOAD INC W ORD ADDRESS COUNTER R/W YDEC 8 CK PIN D OUT ACK 3846 FHD F01 DATA REGISTER DO UT © Xicor, 1991 Patents Pending 3846 -1.2 7/30/96 T0/C1/D1 SH 1 Characteri stics subject to change without notice X24164 PIN DESCRIPTIONS Serial Clock ( SCL) The SCL input is used to clock all data into and out of the device. Seria l Data (SDA) SDA is a bidirectional pin used to transfer data into and out of the device. It is an open drain output and may be wire-ORed with any number of open drain or open collector outputs. An open drain output requires the use o f a pull-up resistor. For selecting typ ical values, refer to the Pull-Up Resis tor selection graph at the end of this data sheet. Device Selec








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