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X25097P-2.7 Datasheet(PDF) 1 Page - Xicor Inc. |
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X25097P-2.7 Datasheet(HTML) 1 Page - Xicor Inc. |
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 E2PROM with IDLockTM Memory FEATURES • 5MHz Clock Rate • IDLock™ Memory —IDLock First or Last Page, any 1/4 or Lower 1/2 of E2PROM Array • Low Power CMOS —<1 µA Standby Current —<3mA Active Current during Write —<400 µA 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 E2PROM, 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 E2PROM 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 WriteTM 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 2PROM ARRAY (1024 x 8) SO SI SCK CS WP 8 16 64 7038 FRM F01 |
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