Specification	93C56C-I/ST

Clock Frequency	3 MHz
Memory Format	EEPROM
Memory Interface	Microwire
Memory Organization	128 x 16, 256 x 8
Memory Size	256 B
Memory Type	Non-Volatile
Mounting Type	Surface Mount
Operating Temperature [Max]	85 °C
Operating Temperature [Min]	-40 °C
Package / Case	8-TSSOP
Package / Case [custom]	0.173 "
Package / Case [custom]	4.4 mm
Supplier Device Package	8-TSSOP
Technology	EEPROM
Voltage - Supply [Max]	5.5 V
Voltage - Supply [Min]	4.5 V
Write Cycle Time - Word, Page	2 ms

93C56C Series

2Kb 5V Microwire (3-wire) Serial EEPROM with Hardware Selectable Word Size

Part	Supplier Device Package	Operating Temperature [Min]	Operating Temperature [Max]	Memory Format	Memory Type	Clock Frequency	Mounting Type	Write Cycle Time - Word, Page	Technology	Voltage - Supply [Min]	Voltage - Supply [Max]	Memory Organization	Package / Case	Package / Case [custom]	Package / Case [custom]	Memory Interface	Memory Size	Package / Case	Package / Case	Package / Case [y]	Package / Case [x]
Microchip Technology 93C56CT-E/ST	8-TSSOP	-40 °C	125 °C	EEPROM	Non-Volatile	3 MHz	Surface Mount	2 ms	EEPROM	4.5 V	5.5 V	128 x 16 256 x 8	8-TSSOP	0.173 "	4.4 mm	Microwire	256 B
Microchip Technology 93C56C-E/P	8-PDIP	-40 °C	125 °C	EEPROM	Non-Volatile	3 MHz	Through Hole	2 ms	EEPROM	4.5 V	5.5 V	128 x 16 256 x 8	8-DIP			Microwire	256 B	0.3 in	7.62 mm
Microchip Technology 93C56CT-I/MS	8-MSOP	-40 °C	85 °C	EEPROM	Non-Volatile	3 MHz	Surface Mount	2 ms	EEPROM	4.5 V	5.5 V	128 x 16 256 x 8	8-MSOP 8-TSSOP	0.118 in		Microwire	256 B	3 mm
Microchip Technology 93C56CT-I/MNY	8-TDFN (2x3)	-40 °C	85 °C	EEPROM	Non-Volatile	3 MHz	Surface Mount	2 ms	EEPROM	4.5 V	5.5 V	128 x 16 256 x 8	8-WFDFN Exposed Pad			Microwire	256 B
Microchip Technology 93C56C-E/SN	8-SOIC	-40 °C	125 °C	EEPROM	Non-Volatile	3 MHz	Surface Mount	2 ms	EEPROM	4.5 V	5.5 V	128 x 16 256 x 8	8-SOIC			Microwire	256 B			3.9 mm	0.154 in
Microchip Technology 93C56C-I/P	8-PDIP	-40 °C	85 °C	EEPROM	Non-Volatile	3 MHz	Through Hole	2 ms	EEPROM	4.5 V	5.5 V	128 x 16 256 x 8	8-DIP			Microwire	256 B	0.3 in	7.62 mm
Microchip Technology 93C56C-I/ST	8-TSSOP	-40 °C	85 °C	EEPROM	Non-Volatile	3 MHz	Surface Mount	2 ms	EEPROM	4.5 V	5.5 V	128 x 16 256 x 8	8-TSSOP	0.173 "	4.4 mm	Microwire	256 B
Microchip Technology 93C56CT-E/SN	8-SOIC	-40 °C	125 °C	EEPROM	Non-Volatile	3 MHz	Surface Mount	2 ms	EEPROM	4.5 V	5.5 V	128 x 16 256 x 8	8-SOIC			Microwire	256 B			3.9 mm	0.154 in
Microchip Technology 93C56C-E/ST	8-TSSOP	-40 °C	125 °C	EEPROM	Non-Volatile	3 MHz	Surface Mount	2 ms	EEPROM	4.5 V	5.5 V	128 x 16 256 x 8	8-TSSOP	0.173 "	4.4 mm	Microwire	256 B
Microchip Technology 93C56C-I/MS	8-MSOP	-40 °C	85 °C	EEPROM	Non-Volatile	3 MHz	Surface Mount	2 ms	EEPROM	4.5 V	5.5 V	128 x 16 256 x 8	8-MSOP 8-TSSOP	0.118 in		Microwire	256 B	3 mm

Pricing

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

Distributor	Package	Quantity	$

Digikey	Tube	1	$ 0.38
		25	$ 0.37
		100	$ 0.36
Microchip Direct	TUBE	1	$ 0.37
		25	$ 0.36
		100	$ 0.35
		1000	$ 0.34
		5000	$ 0.30
		10000	$ 0.29
Newark	Each	100	$ 0.37

Description

General part information

93C56C Series

The Microchip 93C56C device is a 2Kb Microwire (3-wire) Serial EEPROM with hardware selectable word size using the ORG pin and a voltage operation range of 4.5 - 5.5V. Also available are the 93C56A for dedicated 8-bit memory organization and the 93C56B for dedicated 16-bit memory organization. The 93C56C is optimized for use in consumer, industrial, and automotive applications where reliable and dependable nonvolatile memory storage is essential. The device is available in a variety of Pb-free packages including PDIP, SOIC, MSOP, DFN and TSSOP.

Documents

Technical documentation and resources

Datasheet

93C56C-I/ST

Deep-Dive with AI

93C56C-I/ST

Deep-Dive with AI

Technical Specifications

93C56C Series

Pricing

Description

93C56C Series

Documents

Datasheet

Interfacing Microwire Serial EEPROMs to PIC18 Devices

Interfacing Microwire Serial EEPROMs to PIC16 Devices

Using the MSSP Module to Interface Microwire Serial EEPROMs to PIC16 Devices

93XX56A/B/C - 2-Kbit Microwire Compatible Serial EEPROM

Using the C18 Compiler to Interface Microwire Serial EEPROMs to PIC18 Devices

1K, 2K and 4K Microwire EEPROM Migration

Product Change Notice EN

93C56C Series