Datasheet > NV34C04

NV34C04

更新时间： 2024-11-10 01:13:23

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光电二极管
页数	文件大小	规格书
12页	112K
描述
EEPROM Serial 4-Kb SPD Automotive Grade 1

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NV34C04 数据手册

NV34C04

EEPROM Serial 4-Kb SPD

Automotive Grade 1 for

DDR4 DIMM

Description

www.onsemi.com

The NV34C04 is a EEPROM Serial 4−Kb, which implements the

JEDEC JC42.4 (EE1004−v) Serial Presence Detect (SPD)

specification for DDR4 DIMMs and supports the Standard (100 kHz),

Fast (400 kHz) and Fast Plus (1 MHz) I C protocols.

UDFN8

One of the two available 2−Kb EEPROM banks (referred to as SPD

pages in the EE1004−v specification) is activated for access at

power−up. After power−up, banks can be switched via software

command. Each of the four 1−Kb EEPROM blocks can be Write

Protected by software command.

MU3 SUFFIX

CASE 517AZ

MUW3 SUFFIX

CASE 517DH

PIN CONFIGURATION

Features

• JEDEC JC42.4 (EE1004−v) Serial Presence Detect (SPD) Compliant

• Automotive Grade 1 Temperature Range: −40°C to +125°C

• Supply Range: 1.7 V − 3.6 V

(Top View)

SCL

SDA

UDFN (MU3, MUW3)

• I C / SMBus Interface

For the location of Pin 1, please consult the

corresponding package drawing.

• Schmitt Triggers and Noise Suppression Filters on SCL and SDA

Inputs

• 16−Byte Page Write Buffer

MARKING DIAGRAM

• Hardware Write Protection for Entire Memory

• Low Power CMOS Technology

XXX

AZZ

• 2 x 3 x 0.5 mm UDFN Package

UDFN8

• These Devices are Pb−Free and are RoHS Compliant

XXX

= Specific Device Code

= Assembly Location Code

= Assembly Lot Number (Last Two Digits)

= Production Year (Last Digit)

= Production Month (1 − 9, O, N, D)

= Pb−Free Package

SCL

NV34C04

SDA

A , A , A

PIN FUNCTIONS

Pin Name

Function

Device Address Input

Serial Data Input/Output

Serial Clock Input

Write Protect Input

Power Supply

A , A , A

SDA

Figure 1. Functional Symbol

SCL

Ground

DAP

Backside Exposed DAP at V

ORDERING INFORMATION

See detailed ordering and shipping information in the package

dimensions section on page 12 of this data sheet.

Publication Order Number:

September, 2018 − Rev. 0

NV34C04/D

12 3 4 5 6 7...12

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