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25AA320

Microchip
Part Number 25AA320
Manufacturer Microchip
Description Bus Serial EEPROM
Published Dec 2, 2020
Detailed Description 25AA320/25LC320/25C320 32K SPI™ Bus Serial EEPROM Device Selection Table Part Number 25AA320 25LC320 25C320 VCC Range...
Datasheet PDF File 25AA320 PDF File

25AA320
25AA320

Overview
25AA320/25LC320/25C320 32K SPI™ Bus Serial EEPROM Device Selection Table Part Number 25AA320 25LC320 25C320 VCC Range 1.
8-5.
5V 2.
5-5.
5V 4.
5-5.
5V Max.
Clock Frequency 1 MHz 2 MHz 3 MHz Temp.
Ranges I I,E I,E Features: • Low-power CMOS technology: - Write current: 3 mA maximum - Read current: 500 µA typical - Standby current: 500 nA typical • 4096 x 8 bit organization • 32 byte page • Write cycle time: 5 ms maximum • 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: 1M E/W cycles - Data retention: > 200 years - ESD protection: > 4000V • 8-pin PDIP, SOIC and TSSOP packages • 14-lead TSSOP package • Temperature ranges supported: - Industrial (I): -40°C to +85°C - Automotive (E): -40°C to +125°C Description: The Microchip Technology Inc.
25AA320/25LC320/ 25C320 (25XX320*) are 32 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, transitions on its inputs will be ignored, with the exception of Chip Select, allowing the host to service higher priority interrupts.
Block Diagram Status Register HV Generator I/O Control Logic Memory Control Logic XDEC EEPROM Array Page Latches SI SO CS SCK HOLD WP VCC VSS Y Decoder Sense Amp.
R/W Control 25XX320 25XX320 25XX320 Package Types PDIP, SOIC CS 1 SO 2 WP 3 VSS 4 8 VCC 7 HOLD 6 SCK 5 SI HOLD VCC CS SO TSSOP 1 8 2 7 3 6 4 5 SCK SI VSS WP TSSOP CS 1 SO 2 NC 3 NC 4 NC 5 WP 6 VSS 7 14 VCC 13 HOLD 12 NC 11 NC 10 NC 9 SCK 8 SI *2...


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