Integrated Circuits (ICs)

25AA256-E/SM

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EEPROM, 256 KBIT, 32K X 8BIT, SPI, 10 MHZ, SOIJ, 8 PINS

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DocumentsInterfacing SPI? Serial EEPROMs to PIC16 Devices Interfacing SPI? Serial EEPROMs to Microchip PICmicro® Microcontrollers +6

Integrated Circuits (ICs)

25AA256-E/SM

Active

Microchip Technology

EEPROM, 256 KBIT, 32K X 8BIT, SPI, 10 MHZ, SOIJ, 8 PINS

Deep-Dive with AI

DocumentsInterfacing SPI? Serial EEPROMs to PIC16 Devices Interfacing SPI? Serial EEPROMs to Microchip PICmicro® Microcontrollers +6

Specifications Series Pricing Description Documents

Technical Specifications

Parameters and characteristics for this part

Specification	25AA256-E/SM

Clock Frequency	10 MHz
Memory Format	EEPROM
Memory Interface	SPI
Memory Organization	32K x 8
Memory Size	32 KB
Memory Type	Non-Volatile
Mounting Type	Surface Mount
Operating Temperature [Max]	125 °C
Operating Temperature [Min]	-40 °C
Package / Case	8-SOIC
Package / Case [x]	0.209 "
Package / Case [y]	5.3 mm
Supplier Device Package	8-SOIJ
Technology	EEPROM
Voltage - Supply [Max]	5.5 V
Voltage - Supply [Min]	1.8 V
Write Cycle Time - Word, Page	5 ms

25AA256 Series

256Kb 1.8V SPI Serial EEPROM

Part	Memory Format	Supplier Device Package	Memory Organization	Memory Interface	Package / Case	Package / Case	Package / Case	Voltage - Supply [Min]	Voltage - Supply [Max]	Write Cycle Time - Word, Page	Memory Type	Mounting Type	Technology	Operating Temperature [Min]	Operating Temperature [Max]	Clock Frequency	Memory Size	Package / Case [y]	Package / Case [x]	Package / Case [custom]	Package / Case [custom]
Microchip Technology 25AA256-E/P	EEPROM	8-PDIP	32K x 8	SPI	0.3 in	8-DIP	7.62 mm	1.8 V	5.5 V	5 ms	Non-Volatile	Through Hole	EEPROM	-40 °C	125 °C	10 MHz	32 KB
Microchip Technology 25AA256T-I/SN	EEPROM	8-SOIC	32K x 8	SPI		8-SOIC		1.8 V	5.5 V	5 ms	Non-Volatile	Surface Mount	EEPROM	-40 °C	85 °C	10 MHz	32 KB	3.9 mm	0.154 in
Microchip Technology 25AA256-I/MF	EEPROM	8-DFN-S (6x5)	32K x 8	SPI		8-VDFN Exposed Pad		1.8 V	5.5 V	5 ms	Non-Volatile	Surface Mount	EEPROM	-40 °C	85 °C	10 MHz	32 KB
Microchip Technology 25AA256T-E/SN	EEPROM	8-SOIC	32K x 8	SPI		8-SOIC		1.8 V	5.5 V	5 ms	Non-Volatile	Surface Mount	EEPROM	-40 °C	125 °C	10 MHz	32 KB	3.9 mm	0.154 in
Microchip Technology 25AA256T-I/SM	EEPROM	8-SOIJ	32K x 8	SPI		8-SOIC		1.8 V	5.5 V	5 ms	Non-Volatile	Surface Mount	EEPROM	-40 °C	85 °C	10 MHz	32 KB	5.3 mm	0.209 "
Microchip Technology 25AA256-E/SM	EEPROM	8-SOIJ	32K x 8	SPI		8-SOIC		1.8 V	5.5 V	5 ms	Non-Volatile	Surface Mount	EEPROM	-40 °C	125 °C	10 MHz	32 KB	5.3 mm	0.209 "
Microchip Technology 25AA256-I/ST	EEPROM	8-TSSOP	32K x 8	SPI		8-TSSOP		1.8 V	5.5 V	5 ms	Non-Volatile	Surface Mount	EEPROM	-40 °C	85 °C	10 MHz	32 KB			0.173 "	4.4 mm
Microchip Technology 25AA256/WF16K	EEPROM	Die	32K x 8	SPI		Die		1.8 V	5.5 V	5 ms	Non-Volatile	Surface Mount	EEPROM	0 °C	70 °C	10 MHz	32 KB
Microchip Technology 25AA256T-E/SM	EEPROM	8-SOIJ	32K x 8	SPI		8-SOIC		1.8 V	5.5 V	5 ms	Non-Volatile	Surface Mount	EEPROM	-40 °C	125 °C	10 MHz	32 KB	5.3 mm	0.209 "
Microchip Technology 25AA256T-I/MF	EEPROM	8-DFN-S (6x5)	32K x 8	SPI		8-VDFN Exposed Pad		1.8 V	5.5 V	5 ms	Non-Volatile	Surface Mount	EEPROM	-40 °C	85 °C	10 MHz	32 KB