23A256 Series

1.5-1.95V 256Kb SPI Serial SRAM

Part	Mounting Type	Memory Type	Clock Frequency	Supplier Device Package	Memory Interface	Technology	Memory Size	Memory Format	Memory Organization	Operating Temperature [Max]	Operating Temperature [Min]	Voltage - Supply [Max]	Voltage - Supply [Min]	Package / Case	Package / Case [custom]	Package / Case [custom]	Package / Case	Package / Case	Package / Case [y]	Package / Case [x]
Microchip Technology 23A256T-I/ST	Surface Mount	Volatile	20 MHz	8-TSSOP	SPI	SRAM	32 KB	SRAM	32K x 8	85 °C	-40 °C	1.95 V	1.7 V	8-TSSOP	0.173 "	4.4 mm
Microchip Technology 23A256-I/P	Through Hole	Volatile	20 MHz	8-PDIP	SPI	SRAM	32 KB	SRAM	32K x 8	85 °C	-40 °C	1.95 V	1.7 V	8-DIP			0.3 in	7.62 mm
Microchip Technology 23A256-I/SN	Surface Mount	Volatile	20 MHz	8-SOIC	SPI	SRAM	32 KB	SRAM	32K x 8	85 °C	-40 °C	1.95 V	1.7 V	8-SOIC					3.9 mm	0.154 in
Microchip Technology 23A256T-I/SN	Surface Mount	Volatile	20 MHz	8-SOIC	SPI	SRAM	32 KB	SRAM	32K x 8	85 °C	-40 °C	1.95 V	1.7 V	8-SOIC					3.9 mm	0.154 in

Pricing

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

Distributor	Package	Quantity	$

Digikey	Tube	300	$ 1.30
Microchip Direct	TUBE	1	$ 1.37
		25	$ 1.30
		100	$ 1.26
		1000	$ 1.19
		5000	$ 1.12
Newark	Each	1	$ 1.35

General part information

The Microchip Technology Inc. 23X256 are 256 Kbit

Serial SRAM devices. The memory is accessed via a

simple Serial Peripheral Interface (SPI) compatible

Technical documentation and resources