Datasheet > 25CSM04

25CSM04

更新时间： 2023-12-06 20:10:26

品牌	Logo	应用领域
美国微芯 - MICROCHIP		可编程只读存储器电动程控只读存储器电可擦编程只读存储器
页数	文件大小	规格书
52页	1600K
描述
The Microchip 25CSM04 is a 4 Mb Serial EEPROM with a Serial Peripheral Interface (SPI) capable of

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25CSM04 数据手册

25CSM04

4-Mbit SPI Serial EEPROM with 128-Bit Serial Number

and Enhanced Write Protection

Features

Package Types (not to scale)

• 4-Mbit Serial EEPROM:

- 524,288 x 8 organization

- Page size of 256 bytes

8-Lead SOIC

(Top View)

VCC

- Byte or sequential reads

- Byte or page writes

HOLD

SCK

- Self-timed write cycle (5 ms maximum)

• Security Register:

VSS

- Preprogrammed 128-bit serial number

- 256-byte user-programmable lockable ID

page

8-Ball CSP

8-Pad TDFN

(Top View)

• 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

VCC

HOLD

VCC

VSS

SCK

HOLD

- 5 MHz at VCC ≥ 2.5V

SCK

VSS

• Legacy Write Protection Mode:

- Block protection functionality (quarter, half or

entire memory array)

• Enhanced Write Protection Mode:

- User-definable memory partitions

Pin Function Table

- Each partition can be set independently and

have unique protection behavior

Name

Function

Chip Select Input

Serial Data Output

• 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:

VSS

Write-Protect Pin

Ground

Serial Data Input

Serial Clock Input

Hold Input

SCK

HOLD

VCC

- More than one million erase/write cycles

- Built-in ECC logic for increased reliability

- Data retention: >100 years

Supply Voltage

- 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

 2019-2020 Microchip Technology Inc.

DS20005817C-page 1

12 3 4 5 6 7...52

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