Datasheet > NV25256WF

NV25256WF

更新时间： 2024-11-10 01:20:51

品牌	Logo	应用领域
安森美 - ONSEMI		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
12页	104K
描述
256-Kb SPI Serial Automotive EEPROM

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中文翻译

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NV25256WF 数据手册

NV25256WF

256-Kb SPI Serial

Automotive EEPROM in

Wettable Flank Package

Description

The NV25256 is a 256−Kb Serial CMOS EEPROM device

internally organized as 32Kx8 bits. This features a 64−byte page write

buffer and supports the Serial Peripheral Interface (SPI) protocol. The

device is enabled through a Chip Select (CS) input. In addition, the

required bus signals are clock input (SCK), data input (SI) and data

output (SO) lines. The HOLD input may be used to pause any serial

communication with the NV25256 device. The device features

software and hardware write protection, including partial as well as

full array protection.

www.onsemi.com

UDFN8

(Wettable Flank)

MUW3 SUFFIX

CASE 517DH

On−Chip ECC (Error Correction Code) makes the device suitable

for high reliability applications.

PIN CONFIGURATIONS

Features

• Automotive Temperature Grade 1 (−40°C to +125°C)

• 10 MHz (5 V) SPI Compatible

HOLD

SCK

• 1.8 V to 5.5 V Supply Voltage Range

• SPI Modes (0,0) & (1,1)

UDFN8 (MUW3)

• 64−byte Page Write Buffer

(Top View)

• Additional Identification Page with Permanent Write Protection

• Self−timed Write Cycle

PIN FUNCTION

• Hardware and Software Protection

Pin Name

Function

Chip Select

• Block Write Protection

− Protect 1/4, 1/2 or Entire EEPROM Array

• Low Power CMOS Technology

• 1,000,000 Program/Erase Cycles

Serial Data Output

Write Protect

• 100 Year Data Retention

Ground

• 8−pad Wettable Flank UDFN 2x3 mm Package

Serial Data Input

Serial Clock

• This Device is Pb−Free, Halogen Free/BFR Free, and RoHS

SCK

Compliant

HOLD

Hold Transmission Input

Power Supply

ORDERING INFORMATION

See detailed ordering and shipping information in the package

dimensions section on page 12 of this data sheet.

NV25256WF

HOLD

SCK

Figure 1. Functional Symbol

Publication Order Number:

January, 2018 − Rev. 1

NV25256/D

12 3 4 5 6 7...12

中文翻译

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