X24042 Datasheet (data sheet) PDF





X24042 Datasheet, Serial E2PROM

X24042   X24042  

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Preliminary Information Pin 7 No Connec t X24042 4K X24042 Serial E2PROM DESCR IPTION 512 x 8 Bit TYPICAL FEATURES • • • • • • • • 2.7V to 5.5V Power Supply Low Power CMOS — Active Read Current Less Than 1 mA —A ctive Write Current Less Than 3 mA —S tandby Current Less Than 50 µA Interna lly Organized 512 x 8 2 Wire Serial Int erface —Bidirectional Data Transfer P rotocol Sixteen Byte Page Write Mode Minimizes Total Write Time Per Byte Se lf Timed Write Cycle —Typical Write C ycle Time of 5 ms High Reliability —E ndurance: 100,000 Cycles —Data Retent ion: 100 Years 8 Pin Mini-DlP and 8 Pin SOIC Packages The X24042 is a CMOS 4,096 bit serial E2PR

X24042 Datasheet, Serial E2PROM

X24042   X24042  
OM, internally organized 512 x 8. The X2 4042 features a serial interface and so ftware protocol allowing operation on a simple two wire bus. The X24042 is fab ricated with Xicor’s advanced CMOS Te xtured Poly Floating Gate Technology. T he X24042 utilizes Xicor’s proprietar y Direct WriteTM cell providing a minim um endurance of 100,000 cycles and a mi nimum data retention of 100 years. FUN CTIONAL DIAGRAM (8) VCC (4) VSS (5) SDA START STOP LOGIC CONTROL LOGIC SLAVE A DDRESS REGISTER +COMPARATOR XDEC E2PROM 32 X 128 START CYCLE H.V. GENERATION TIMING & CONTROL (6) SCL (3) A2 (2) A 1 (1) A0 LOAD INC WORD ADDRESS COUNT ER R/W YDEC 8 CK PIN DOUT ACK 3849 FHD F01 DATA REGISTER DOUT © Xicor, 199 1 Patents Pending 3849-1 1 Characteri stics subject to change without notice X24042 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. Address (A0) A0 is unused by the X24042, how








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