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25AA080AMS Datasheet(PDF) 1 Page - Microchip Technology |
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25AA080AMS Datasheet(HTML) 1 Page - Microchip Technology |
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1 / 24 page  2003 Microchip Technology Inc. DS21808B-page 1 25AA080A/B, 25LC080A/B Device Selection Table Features • Max. clock 10 MHz • Low-power CMOS technology • 1024 x 8-bit organization • 16 byte page (‘A’ version devices) • 32 byte page (‘B’ version devices) • Write cycle time: 5 ms max. • Self-timed ERASE and WRITE cycles • 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; Pin Function Table Description The Microchip Technology Inc. 25AA080A/B, 25LC080A/B (25XX080A/B*) are 8 Kbit 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, transi- tions on its inputs will be ignored, with the exception of chip select, allowing the host to service higher priority interrupts. The 25XX080A/B is available in standard packages including 8-lead PDIP and SOIC, and advanced packaging including 8-lead MSOP, and 8-lead TSSOP. Pb-free (Pure Matte Sn) finish is also available. Package Types (not to scale) Part Number VCC Range Page Size Temp. Ranges Packages 25LC080A 2.5-5.5V 16 Byte I, E P, SN, ST, MS 25AA080A 1.8-5.5V 16 Byte I P, SN, ST, MS 25LC080B 2.5-5.5V 32 Byte I, E P, SN, ST, MS 25AA080B 1.8-5.5V 32 Byte I P, SN, ST, MS - Industrial (I): -40 °Cto +85°C - Automotive (E): -40°C to +125°C Name Function CS Chip Select Input SO Serial Data Output WP Write-Protect V SS Ground SI Serial Data Input SCK Serial Clock Input HOLD Hold Input V CC Supply Voltage CS SO WP VSS 1 2 3 4 8 7 6 5 VCC HOLD SCK SI PDIP/SOIC (P, SN) TSSOP/MSOP CS SO WP VSS 1 2 3 4 8 7 6 5 VCC HOLD SCK SI (ST, MS) 8K SPI™ Bus Serial EEPROM *25XX080A/B is used in this document as a generic part number for the 25AA080A/B, 25LC080A/B. SPI is a registered trademark of Motorola Semiconductor. |
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