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25AA020A

Microchip Technology
Part Number 25AA020A
Manufacturer Microchip Technology
Description 2K SPI Bus Serial EEPROM
Published May 14, 2010
Detailed Description 25AA020A/25LC020A 2K SPI Bus Serial EEPROM Device Selection Table Part Number 25AA020A 25LC020A VCC Range 1.8-5.5V 2.5-5...
Datasheet PDF File 25AA020A PDF File

25AA020A
25AA020A

Overview
25AA020A/25LC020A 2K SPI Bus Serial EEPROM Device Selection Table Part Number 25AA020A 25LC020A VCC Range 1.
8-5.
5V 2.
5-5.
5V Page Size 16 Bytes 16 Bytes Temp.
Ranges I I, E Packages P, MS, SN, ST, MC, OT P, MS, SN, ST, MC, OT Features: www.
DataSheet4U.
com • 10 MHz max.
clock frequency Description: The Microchip Technology Inc.
25XX020A* is a 2 Kbit Serial Electrically Erasable Programmable Read-Only Memory (EEPROM).
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 25XX020A is available in standard packages including 8-lead PDIP and SOIC, and advanced packages including 8-lead MSOP, 8-lead TSSOP and rotated TSSOP, 8-lead 2x3 DFN, and 6-lead SOT-23.
• 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 • 256 x 8-bit organization • Write Page mode (up to 16 bytes) • Sequential Read • 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 • 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 • Pb-Free packages available Package Types (not to scale) TSSOP/MSOP (ST, MS) CS SO WP VSS 1 2 3 4 8 7 6 5 VCC HOLD SCK SI PDIP/SOIC (P, SN) CS SO WP VSS 1 2 3 4 8 7 6 5 VCC HOLD SCK SI Pin Function Table Name CS SO WP VSS...


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