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X25F047PI Datasheet(PDF) 1 Page - Xicor Inc. |
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X25F047PI Datasheet(HTML) 1 Page - Xicor Inc. |
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1 / 14 page  ©Xicor, Inc. 1994, 1995, 1996 Patents Pending 7005-0.9 5/7/97 T4/C0/D1 1 Characteristics subject to change without notice 4K X25F047 512 x 8 Bit SPI SerialFlash with Block LockTM Protection FEATURES • 1MHz Clock Rate • SPI Modes (0,0 & 1,1) • 512 x 8 Bits —16 Byte Small Sector Program Mode • Low Power CMOS —<1 µA Standby Current —<3mA Active Current during Program —<400 µA Active Current during Read • 1.8V to 3.6V or 5V “Univolt” Read and Program Power Supply Versions • Block Lock Protection —Block Lock Protect 0, any 1/4, 1st 1/2, First or Last Sector of SerialFlash Array • Built-in Inadvertent Program Protection —Power-Up/Power-Down Protection Circuitry —Program Enable Latch —Program Protect Pin • Self-Timed Program Cycle —5ms Program Cycle Time (Typical) • High Reliability —Endurance: 100,000 Cycles/Byte —Data Retention: 100 Years —ESD: 2000V on all pins • 8-Lead SOIC Package • 8-Lead MSOP Package • 8-Lead TSSOP Package • 8-Pin Mini-DIP Package DESCRIPTION The X25F047 is a CMOS 4K-bit SerialFlash, internally organized as 512 x 8. The X25F047 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. There are eight options for programmable, nonvolatile, Block Lock Protection available to the end user. These options are implemented via special instructions programmed to the part. The X25F047 also features a PP pin that can be used for hardwire protection of the part, disabling all programming attempts, as well as a Program Enable Latch that must be set before a program operation can be initiated. The X25F047 utilizes Xicor’s proprietary Direct WriteTM cell, providing a minimum endurance of 100,000 cycles per sector and a minimum data retention of 100 years. FUNCTIONAL DIAGRAM COMMAND DECODE AND CONTROL LOGIC PROGRAM CONTROL LOGIC DATA REGISTER Y DECODE LOGIC X DECODE LOGIC HIGH VOLTAGE CONTROL SERIALFLASH ARRAY (512 x 8) SO SI SCK CS PP 8 16 32 7005 FRM 01.3 |
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