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X24022

Xicor
Part Number X24022
Manufacturer Xicor
Description Serial E2PROM
Published Apr 16, 2005
Detailed Description Preliminary Information Pin 7 No Connect X24022 2K X24022 Serial E2PROM 256 x 8 Bit FEATURES DESCRIPTION The X24022...
Datasheet PDF File X24022 PDF File

X24022
X24022

Overview
Preliminary Information Pin 7 No Connect X24022 2K X24022 Serial E2PROM 256 x 8 Bit FEATURES DESCRIPTION The X24022 is a CMOS 2048 bit serial E2PROM, internally organized 256 x 8.
The X24022 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.
The X24022 is available in eight pin DIP 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 Per Byte —Data Retention: 100 Years FUNCTIONAL DIAGRAM (8) VCC (4) VSS 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 3848 FHD F01 DATA REGISTER DOUT © Xicor, 1991 Patents Pending 3848-1 1 Characteristics subject to change without notice X24022 PIN DESCRIPTIONS Serial Clock (SCL) The 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 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 of a pull-up resistor.
For selecting typical values, refer to the Guidelines for Calculating Typical Values of Bus Pull-Up Resistors graph.
Address (A0, A1, A2) The address inputs are used to set the least significant three bits of the seven bit slave address.
These inputs can...


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