23A640 Datasheet - Microchip

23A640 64-Kbit SPI Bus Low-Power Serial SRAM

The Microchip Technology Inc. 23X640 is a 64-Kbit Serial SRAM device. The memory is accessed via a simple Serial Peripheral Interface (SPI) compatible serial bus. The bus signals required are a clock input (SCK) plus separate data in (SI) and data out (SO) lines. Access to the device is controlled t.

23A640 Features

* Maximum Clock 20 MHz

* Low-Power CMOS Technology: - Read current: 3 mA at 1 MHz - Standby Current: 4 A maximum at +85°C

* 8,192 x 8-bit Organization

* 32-Byte Page

* HOLD pin

* Flexible Operating Modes: - Byte read and write - Page mode (3

23A640-Microchip.pdf