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

Manufacturer: Microchip Technology

Overview: 23A640/23K640 64-Kbit SPI Bus Low-Power Serial SRAM Device Selection Table Part Number VCC Range 23K640 23A640 2.7V-3.6V 1.5V-1.

Datasheet Details

Part number	23A640
Manufacturer	Microchip Technology
File Size	381.64 KB
Description	64-Kbit SPI Bus Low-Power Serial SRAM
Download	23A640 Download (PDF)

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.

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 (32-Byte Page) - Sequential mode.
Sequential Read/Write.
High Reliability.
Temperature Ranges Supported: - Industrial (I): - Extended (E): -40C to +85C -40C to +125C.

Part Number	Description
23A1024	1Mbit SPI Serial SRAM
23A256	256-Kbit SPI Bus Low-Power Serial SRAM
23A512	512Kbit SPI Serial SRAM