Advanced Spi Serial E 2 Prom With Block Lock Tm Protection Inc.

The X25642 is a CMOS 65,536-bit serial E2PROM, internally organized as 8K x 8. The X25642 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 controlled through a chip select (CS) input, allowing any number of devices to share the same bus. The X25642 also features two additional inputs that provide the end user with added exibility. By asserting the HOLD input, the X25642 will ignore tran- sitions on its inputs, thus allowing the host to service higher priority interrupts. The WP input CAN be used as a hardwire input to the X25642 disabling all write attempts to the status Register thus providing a mech- anism for limiting end user capability of altering 0, 1/4, 1/2 or all of the memory. The X25642 utilizes Xicors proprietary Direct WriteTM cell, providing a minimum endurance of 100,000 cycles and a minimum data retention of 100 years. By Intersil Corporation
X25642 's PackagesX25642 's pdf datasheet



X25642 Pinout, Pinouts
X25642 pinout,Pin out
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