Datasheet > NV34C02MUW3VTBG

NV34C02MUW3VTBG

更新时间： 2024-11-10 11:12:31

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双倍数据速率光电二极管
页数	文件大小	规格书
12页	218K
描述
EEPROM Serial 2-Kb SPD for DDR2 DIMM

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中文翻译

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NV34C02MUW3VTBG 数据手册

NV34C02WF

EEPROM SPD 2-kb I²C for

DDR2 DIMM

Description

The NV34C02WF is a EEPROM Serial 2−kb, internally organized

as 16 pages of 16 bytes each, for a total of 256 bytes of 8 bits each.

It features a 16−byte page write buffer and supports both the

www.onsemi.com

Standard (100 kHz) as well as Fast (400 kHz) I C protocol.

Write operations can be inhibited by taking the WP pin High (this

protects the entire memory) or by setting an internal Write Protect flag

via Software command (this protects the lower half of the memory).

In addition to Permanent Software Write Protection, the

NV34C02WF also features JEDEC compatible Reversible

Software Write Protection for DDR2 Serial Presence Detect (SPD)

applications operating over the 1.7 V to 3.6 V supply voltage range.

The NV34C02WF is fully backwards compatible with earlier

DDR1 SPD applications operating over the 1.7 V to 5.5 V supply

voltage range.

UDFN8

U SUFFIX

CASE 517DH

PIN CONFIGURATION

Features

• Supports Standard and Fast I C Protocol

• 1.7 V to 5.5 V Supply Voltage Range

• 16−Byte Page Write Buffer

SCL

SDA

• Hardware Write Protection for Entire Memory

• Software Write Protection for Lower 128 Bytes

US8 (U)

• Schmitt Triggers and Noise Suppression Filters on I C Bus Inputs

PART MARKING

(SCL and SDA)

• Low power CMOS Technology

• 1,000,000 Program/Erase Cycles

• 100 Year Data Retention

XXXXX

AWLYWG

XXXXX = Specific Device Code

• Automotive Grade 1 Temperature Range

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

Compliant*

= Assembly Location

= Wafer Lot

= Year

= Work Week

= Pb−Free Package

SCL

PIN FUNCTION

Pin Name

Function

NV34C02WF

SDA

A , A , A

Device Address Input

SDA

Serial Data Input/Output

Serial Clock Input

Write Protect Input

Power Supply

SCL

Figure 1. Functional Symbol

Ground

*For additional information on our Pb−Free strategy and soldering details, please

download the ON Semiconductor Soldering and Mounting Techniques

Reference Manual, SOLDERRM/D.

ORDERING INFORMATION

See detailed ordering and shipping information in the package

dimensions section on page 3 of this data sheet.

Publication Order Number:

May, 2018 − Rev. 0

NV34C02WF/D

12 3 4 5 6 7...12

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