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25AA256 Datasheet PDF

Part Series:25AA256 Series
Category:EEPROM
Description:EEPROM Serial-SPI 256Kbit 32K x 8 2.5V/3.3V/5V 8Pin SOIC N
Document:25AA256-I/SM Datasheet PDF (236 Pages)

25AA256 Datasheet PDF EEPROM

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25AA256-I/SN - Microchip Specifications

TYPE
DESCRIPTION
Mounting Style
Surface Mount
Frequency
10 MHz
Number of Pins
8 Pin
Supply Voltage (DC)
5.00 V, 5.50 V (max)
Operating Voltage
1.8V ~ 5.5V
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25AA256-I/SN - Microchip Function Overview

The 25AA256-I/SN is a 256kb serial Electrically Erasable Programmable Read-Only Memory (EEPROM) with the memory is accessed via a simple serial peripheral interface (SPI) compatible serial bus. The bus signals required are a clock input (SCK) plus separate data in (SI) and data out (SO) lines. Access to the device is controlled through a chip select (CS) input. Communication to the device can be paused via the hold pin (HOLD). While the device is paused, transitions on its inputs will be ignored, with the exception of chip select, allowing the host to service higher priority interrupts.
Low-power CMOS technology
32768 x 8-bit Organization
64-byte Page
Self-timed erase and write cycles (5ms maximum)
Block write protection - Protect none, 1/4, 1/2 or all of array
Built-in write protection - Power-on/off data protection circuitry
Sequential read
1000000 erase/write cycles endurance
>200-year Data retention
>4000V ESD protection
ESD sensitive device, take proper precaution while handling the device.
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