AT25256B-CUL-T

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Microchip Technology

EEPROM SERIAL-SPI 256K-BIT 32K X 8 2.5V/3.3V/5V 8-PIN VF-BGA T/R

AT25256B-CUL-T

Active

Microchip Technology

EEPROM SERIAL-SPI 256K-BIT 32K X 8 2.5V/3.3V/5V 8-PIN VF-BGA T/R

Description Specifications Series Pricing CAD Documents

Description

General part information

AT25256 Series

The Microchip AT25256B is a 256 Kb Serial EEPROM utilizing the

industry standard Serial Peripheral Interface (SPI) compatible serial bus. The

device is organized as one block of 32,768 x 8-bit and is optimized for use in consumer electronics, industrial, medical,

Technical Specifications

Parameters and characteristics for this part

Specification	AT25256B-CUL-T

Clock Frequency	20 MHz
Memory Depth	32 K
Memory Format	EEPROM
Memory Interface (Type)	SPI
Memory Size	32 kB
Memory Type	Non-Volatile
Memory Width	8 bit
Mounting Type	Surface Mount
Operating Temperature (Max)	85 °C
Operating Temperature (Min)	-40 °C
Package / Case	8-VFBGA, DSBGA
Package Length	2.35 mm
Package Name	8-dBGA
Package Width	3.73 mm
Technology	EEPROM
Voltage - Supply (Maximum)	5.5 V
Voltage - Supply (Minimum)	1.8 V
Write Cycle Time - Page	5 ms
Write Cycle Time - Word	5 ms

AT25256 Series

256Kb SPI Serial EEPROM

Part	Memory Format	Memory Size	Write Cycle Time - Word	Write Cycle Time - Page	Memory Interface (Type)	Technology	Clock Frequency	Memory Depth	Memory Width	Package Name	Mounting Type	Package Length	Package Width	Operating Temperature (Max)	Operating Temperature (Min)	Memory Type	Voltage - Supply (Maximum)	Voltage - Supply (Minimum)	Package / Case
Microchip Technology AT25256AW-10SI-2.7-T	EEPROM	32 kB	5 ms	5 ms	SPI	EEPROM	20 MHz	32 K	8 bit	8-SOIC	Surface Mount	0.209 in	5.3 mm	85 °C	-40 °C	Non-Volatile	5.5 V	2.7 V
Microchip Technology AT25256-10PI	EEPROM	32 kB	5 ms	5 ms	SPI	EEPROM	3 MHz	32 K	8 bit	8-DIP 8-PDIP	Through Hole	0.3 in	7.62 mm	85 °C	-40 °C	Non-Volatile	5.5 V	4.5 V
Microchip Technology AT25256B-CUL-T	EEPROM	32 kB	5 ms	5 ms	SPI	EEPROM	20 MHz	32 K	8 bit	8-dBGA	Surface Mount	2.35 mm	3.73 mm	85 °C	-40 °C	Non-Volatile	5.5 V	1.8 V	8-VFBGA DSBGA
Microchip Technology AT25256AW-10SI-1.8-T	EEPROM	32 kB	5 ms	5 ms	SPI	EEPROM	20 MHz	32 K	8 bit	8-SOIC	Surface Mount	0.209 in	5.3 mm	85 °C	-40 °C	Non-Volatile	5.5 V	1.8 V
Microchip Technology AT25256B-SSHL-T	EEPROM	32 kB	5 ms	5 ms	SPI	EEPROM	20 MHz	32 K	8 bit	8-SOIC	Surface Mount	0.154 in	3.9 mm	85 °C	-40 °C	Non-Volatile	5.5 V	1.8 V
Microchip Technology AT25256AN-10SU-1.8	EEPROM	32 kB	5 ms	5 ms	SPI	EEPROM	20 MHz	32 K	8 bit	8-SOIC	Surface Mount	0.154 in	3.9 mm	85 °C	-40 °C	Non-Volatile	5.5 V	1.8 V
Microchip Technology AT25256A-10PU-1.8	EEPROM	32 kB	5 ms	5 ms	SPI	EEPROM	20 MHz	32 K	8 bit	8-DIP 8-PDIP	Through Hole	0.3 in	7.62 mm	85 °C	-40 °C	Non-Volatile	5.5 V	1.8 V
Microchip Technology AT25256AW-10SI-1.8	EEPROM	32 kB	5 ms	5 ms	SPI	EEPROM	20 MHz	32 K	8 bit	8-SOIC	Surface Mount	0.209 in	5.3 mm	85 °C	-40 °C	Non-Volatile	5.5 V	1.8 V
Microchip Technology AT25256AW-10SI-2.7	EEPROM	32 kB	5 ms	5 ms	SPI	EEPROM	20 MHz	32 K	8 bit	8-SOIC	Surface Mount	0.209 in	5.3 mm	85 °C	-40 °C	Non-Volatile	5.5 V	2.7 V
Microchip Technology AT25256W-10SI-1.8	EEPROM	32 kB	10 ms	10 ms	SPI	EEPROM	2.1 MHz	32 K	8 bit	8-SOIC	Surface Mount	0.209 in	5.3 mm	85 °C	-40 °C	Non-Volatile	3.6 V	1.8 V

Pricing

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CAD

3D models and CAD resources for this part

Documents

Technical documentation and resources

AT25256B-CUL-T | Datasheet