Advanced Spi Serial E2prom With Block Locktm Protection Inc.

The X25640 is a CMOS 65,536-bit serial E2PROM, internally organized as 8K x 8. The X25640 features a Serial Peripheral Interface (SPI) and software protocol allowing operation on a simple three-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 con- trolled through a chip select (CS) input, allowing any number of devices to share the same bus. The X25640 also features two additional inputs that provide the end user with added flexibility. By asserting the HOLD input, the X25640 will ignore transitions on its inputs, thus allowing the host to service higher priority interrupts. The WP input CAN be used as a hardwire input to the X25640 disabling all write attempts to the status Register thus providing a mechanism for limiting end user capability of altering 0, 1/4, 1/2 or all of the memory. The X25640 utilizes Xicors proprietary Direct Write cell, providing a minimum endurance of 100,000 cycles and a minimum data retention of 100 years. By Intersil Corporation
X25640 's PackagesX25640 's pdf datasheet

X25640 Pinout, Pinouts
X25640 pinout,Pin out
This is one package pinout of X25640,If you need more pinouts please download X25640's pdf datasheet.

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