X24C01A Datasheet (data sheet) PDF





X24C01A Datasheet, Serial E2PROM

X24C01A   X24C01A  

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Preliminary X24C01A Information 1K X24 C01A Serial E2PROM DESCRIPTION 128 x 8 Bit FEATURES • • • • • • • • 2.7V to 5.5V Power Supply Low Power CMOS —Active Current Less Than 1 mA —Standby Current Less Than 50 A Internally Organized 128 x 8 Self Ti med Write Cycle —Typical Write Cycle Time of 5 ms 2 Wire Serial Interface Bidirectional Data Transfer Protocol F our Byte Page Write Operation —Minimi zes Total Write Time Per Byte High Reli ability —Endurance: 100,000 Cycles Data Retention: 100 Years New Hardwire – Write Control Function The X24C01 A is a CMOS 1024 bit serial E2PROM, int ernally organized 128 x 8. The X24C01A features a serial i

X24C01A Datasheet, Serial E2PROM

X24C01A   X24C01A  
nterface and software protocol allowing operation on a simple two wire bus. Thr ee address inputs allow up to eight dev ices to share a common two wire bus. Xi cor E2PROMs are designed and tested for applications requiring extended endura nce. Inherent data retention is greater than 100 years. Available in an eight pin DIP and SOIC package. FUNCTIONAL D IAGRAM (8) VCC (4) VSS (7) WC START CYC LE (5) SDA START STOP LOGIC CONTROL LOG IC SLAVE ADDRESS REGISTER +COMPARATOR X DEC E2PROM 32x32 H.V. GENERATION TIMING & CONTROL (6) SCL (3) A2 (2) A1 (1) A 0 LOAD INC WORD ADDRESS COUNTER R/W YDEC 8 CK PIN DOUT ACK 3841 FHD F01 DA TA REGISTER DOUT © Xicor, 1991 Paten ts Pending 3841-1 1 Characteristics s ubject to change without notice X24C01 A PIN DESCRIPTIONS Serial Clock (SCL) T he SCL input is used to clock all data into and out of the device. Serial Data (SDA) SDA is a bidirectional pin used to transfer data into and out of the de vice. It is an open drain output and ma y be wire-ORed with any number of open drain or open collector outputs. An ope n drain output requires the use of a pu ll-up resistor. For selecting typical v alues, refer to the Guidelines for Calc ulating Typical Values of Bus Pull-Up R esistors graph. Address (A0, A1, A2) Th e address inputs are used to set the least significa








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