23K640 Series

2.7-3.6V 64Kb SPI Serial SRAM

Part	Memory Organization	Voltage - Supply [Min]	Voltage - Supply [Max]	Memory Type	Clock Frequency	Package / Case	Package / Case [y]	Package / Case [x]	Memory Format	Operating Temperature [Min]	Operating Temperature [Max]	Technology	Supplier Device Package	Memory Interface	Memory Size	Mounting Type	Package / Case [custom]	Package / Case [custom]
Microchip Technology 23K640T-E/SN	8 K	2.7 V	3.6 V	Volatile	20 MHz	8-SOIC	3.9 mm	0.154 in	SRAM	-40 °C	125 °C	SRAM	8-SOIC	SPI	64 Kbit	Surface Mount
Microchip Technology 23K640T-I/SN	8 K	2.7 V	3.6 V	Volatile	20 MHz	8-SOIC	3.9 mm	0.154 in	SRAM	-40 °C	85 °C	SRAM	8-SOIC	SPI	64 Kbit	Surface Mount
Microchip Technology 23K640-E/ST	8 K	2.7 V	3.6 V	Volatile	20 MHz	8-TSSOP			SRAM	-40 °C	125 °C	SRAM	8-TSSOP	SPI	64 Kbit	Surface Mount	0.173 "	4.4 mm
Microchip Technology 23K640T-E/ST	8 K	2.7 V	3.6 V	Volatile	20 MHz	8-TSSOP			SRAM	-40 °C	125 °C	SRAM	8-TSSOP	SPI	64 Kbit	Surface Mount	0.173 "	4.4 mm
Microchip Technology 23K640-E/SN	8 K	2.7 V	3.6 V	Volatile	20 MHz	8-SOIC	3.9 mm	0.154 in	SRAM	-40 °C	125 °C	SRAM	8-SOIC	SPI	64 Kbit	Surface Mount

Pricing

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

Distributor	Package	Quantity	$

Digikey	Tape & Reel (TR)	3300	$ 0.79
Microchip Direct	T/R	1	$ 0.82
		25	$ 0.80
		100	$ 0.77
		1000	$ 0.72
		5000	$ 0.68
Newark	Each (Supplied on Full Reel)	100	$ 0.82

General part information

The Microchip Technology Inc. 23X640 are 64 Kbit

Serial SRAM devices. The memory is accessed via a

simple Serial Peripheral Interface (SPI) compatible

Technical documentation and resources