Spi Serial Autostore?⠎ovram Inc.

The Xicor X25401 is a serial 256 bit NOVRAM featuring a static RAM configured 16 x 16, overlaid bit-by-bit with a nonvolatile E2PROM array. The X25401 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 Xicor NOVRAM design allows data to be transferred between the two memory arrays by means of software commands or external hardware inputs. A store opera- tion (RAM data to E2PROM) is completed in 5ms or less and a recall operation (E2PROM data to RAM) is com- pleted in 2s or less. The X25401 also includes the AUTOSTORE feature, a user selectable feature that automatically performs a store operation when VCC falls below a preset threshold. By Intersil Corporation
X25401 's PackagesX25401 's pdf datasheet

X25401 Pinout, Pinouts
X25401 pinout,Pin out
This is one package pinout of X25401,If you need more pinouts please download X25401's pdf datasheet.

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