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25CSM04

Microchip
Part Number 25CSM04
Manufacturer Microchip
Description 4-Mbit SPI Serial EEPROM
Published Dec 2, 2020
Detailed Description 25CSM04 4-Mbit SPI Serial EEPROM with 128-Bit Serial Number and Enhanced Write Protection Features • 4-Mbit Serial EEPR...
Datasheet PDF File 25CSM04 PDF File

25CSM04
25CSM04

Overview
25CSM04 4-Mbit SPI Serial EEPROM with 128-Bit Serial Number and Enhanced Write Protection Features • 4-Mbit Serial EEPROM: - 524,288 x 8 organization - Page size of 256 bytes - Byte or sequential reads - Byte or page writes - Self-timed write cycle (5 ms maximum) • Security Register: - Preprogrammed 128-bit serial number - 256-byte user-programmable lockable ID page • Built-in Error Correction Code (ECC) Logic: - ECC Status bit via the STATUS register • JEDEC® SPI Manufacturer Read ID Support • High-Speed Clock Frequency: - 8 MHz at VCC ≥ 3.
0V - 5 MHz at VCC ≥ 2.
5V • Legacy Write Protection Mode: - Block protection functionality (quarter, half or entire memory array) • Enhanced Write Protection Mode: - User-definable memory partitions - Each partition can be set independently and have unique protection behavior • Low-Power CMOS Technology: - Voltage range: 2.
5V to 5.
5V - Write current: 3.
0 mA at 5.
0V - Read current: 3.
0 mA at 5.
0V, 8 MHz - Standby current: 1.
0 µA at 2.
5V (I-Temp.
) • High Reliability: - More than one million erase/write cycles - Built-in ECC logic for increased reliability - Data retention: >100 years - ESD protection: >4000V • Available Temperature Ranges: - Industrial (I): -40°C to +85°C Packages • 8-Lead SOIC, 8-Pad TDFN and 8-Ball CSP packages Package Types (not to scale) 8-Lead SOIC (Top View) CS 1 SO 2 WP 3 8 VCC 7 HOLD 6 SCK VSS 4 5 SI 8-Pad TDFN (Top View) CS 1 SO 2 WP 3 VSS 4 8 VCC 7 HOLD 6 SCK 5 SI 8-Ball CSP (Top View) VCC CS HOLD SO SCK WP SI VSS Pin Function Table Name Function CS Chip Select Input SO Serial Data Output WP Write-Protect Pin VSS Ground SI Serial Data Input SCK Serial Clock Input HOLD Hold Input VCC Supply Voltage  2019-2020 Microchip Technology Inc.
DS20005817C-page 1 General Description The Microchip Technology Inc.
25CSM04 provides 4 Mbits of Serial EEPROM utilizing the Serial Peripheral Interface (SPI) compatible bus.
The device is organized as 524,288 bytes of 8 bits each (512 ...


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