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25AA128

Microchip Technology
Part Number 25AA128
Manufacturer Microchip Technology
Description 128K SPI Bus Serial EEPROM
Published Sep 5, 2007
Detailed Description www.DataSheet4U.com 25AA128/25LC128 128K SPI Bus Serial EEPROM Device Selection Table Part Number 25LC128 25AA128 VCC R...
Datasheet PDF File 25AA128 PDF File

25AA128
25AA128

Overview
www.
DataSheet4U.
com 25AA128/25LC128 128K SPI Bus Serial EEPROM Device Selection Table Part Number 25LC128 25AA128 VCC Range 2.
5-5.
5V 1.
8-5.
5V Page Size 64 Byte 64 Byte Temp.
Ranges I,E I Packages P, SN, ST, MF P, SN, ST, MF Features • Max.
Clock 10 MHz • Low-power CMOS Technology - Max.
Write Current: 5 mA at 5.
5V, 10 MHz - Read Current: 5 mA at 5.
5V, 10 MHz - Standby Current: 5 μA at 5.
5V • 16,384 x 8-bit Organization • 64 Byte Page • Self-timed Erase and Write Cycles (5 ms max.
) • Block Write Protection - Protect none, 1/4, 1/2 or all of array • Built-in Write Protection - Power-on/off data protection circuitry - Write enable latch - Write-protect pin • Sequential Read • High Reliability - Endurance: 1,000,000 erase/write cycles - Data retention: > 200 years - ESD protection: > 4000V • Temperature Ranges Supported; - Industrial (I): -40°C to +85°C - Automotive (E): -40°C to +125°C • Standard and Pb-free Packages Available Description The Microchip Technology Inc.
25AA128/25LC128 (25XX128*) are 128k-bit Serial Electrically Erasable PROMs.
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.
The 25XX128 is available in standard packages including 8-lead PDIP and SOIC, and advanced packaging including 8-lead DFN and 8-lead TSSOP.
Pb-free (Pure Sn) finish is also available.
Package Types (not to scale) TSSOP (ST) CS SO WP VSS 1 2 3 4 8 7 6 5 VCC HOLD SCK SI PDIP/SOIC (P, SN) 25LC128 CS SO WP VSS 1 2 3 4 8 7 6 5 VCC HOLD SCK SI Pin Function Table Name CS SO WP VSS SI SCK HOLD VCC Function Chip Select Input Serial Data Output Write-...


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