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X25097SIG-1.8 Datasheet(PDF) 1 Page - IC MICROSYSTEMS |
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X25097SIG-1.8 Datasheet(HTML) 1 Page - IC MICROSYSTEMS |
1 / 15 page © Xicor, Inc. 1994, 1995, 1996 Patents Pending 7034-1.1 5/8/97 T1/C0/D0 SH 1 Characteristics subject to change without notice 8K X25097 1024 x 8 Bit 5MHz Low Power SPI Serial E 2PROM with IDLockTM Memory FEATURES •5MHz Clock Rate •IDLock™ Memory —IDLock First or Last Page, any 1/4 or Lower 1/2 of E 2PROM Array •Low Power CMOS —<1µA Standby Current —<3mA Active Current during Write —<400µA Active Current during Read •1.8V to 3.6V, 2.7V-5.5V or 4.5V to 5.5V Operation •Built-in Inadvertent Write Protection —Power-Up/Power-Down Protection Circuitry —Write Enable Latch —Write Protect Pin •SPI Modes (0,0 & 1,1) •1024 x 8 Bits —16 Byte Page Mode •Self-Timed Write Cycle —5ms Write Cycle Time (Typical) •High Reliability —Endurance: 100,000 Cycles/Byte —Data Retention: 100 Years —ESD: 2000V on all pins •8-Lead TSSOP Package •8-Lead SOIC Package •8-Lead PDIP Package DESCRIPTION The X25097 is a CMOS 8K-bit serial E 2PROM, internally organized as 1024 x 8. The X25097 features a Serial Peripheral Interface (SPI) and software protocol allowing operation on a simple four-wire bus. The bus signals are a clock input (SCK) plus separate data in (SI) and data out (SO) lines. Access to the device is controlled through a chip select (CS) input, allowing any number of devices to share the same bus. IDLock is a programmble locking mechanism which allows the user to lock system ID and parametric data in different portions of the E 2PROM memory space, ranging from as little as one page to as much as 1/2 of the total array. The X25097 also features a WP pin that can be used for hardwire protection of the part, disabling all write attempts, as well as a Write Enable Latch that must be set before a write operation can be initiated. The X25097 utilizes Xicor’s proprietary Direct Write TM cell, providing a minimum endurance of 100,000 cycles per byte and a minimum data retention of 100 years. FUNCTIONAL DIAGRAM COMMAND DECODE AND CONTROL LOGIC WRITE CONTROL LOGIC DATA REGISTER Y DECODE LOGIC X DECODE LOGIC HIGH VOLTAGE CONTROL 8K E 2 PROM ARRAY (1024 x 8) SO SI SCK CS WP 8 16 64 7038 FRM F01 This X25097 device has been acquired by IC MICROSYSTEMS from Xicor, Inc. ICmic IC MICROSYSTEMS TM |
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