NV34C04

4-Kb Serial SPD EEPROM for DDR4 DIMM

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Overview

The N34C04 is a 4-Kb Serial SPD EEPROM for DDR4 DIMM, 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) I²C protocols.

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.

Applications

Computing

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
I²C / SMBus Interface
Schmitt Triggers and Noise Suppression Filters on SCL and SDA Inputs
16−Byte Page Write Buffer
Hardware Write Protection for Entire Memory
Low Power CMOS Technology
2 x 3 x 0.5 mm UDFN Package
These Devices are Pb−Free and are RoHS Compliant

Material Composition

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f_cycle Max (kHz)

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Reference Price

NV34C04MU3VTG

Obsolete

UDFN-8

517AZ

260

REEL

4000

Serial

4 kb

512 x 8

I2C

1000

3450

1.7

3.6

-40

125

Price N/A

NV34C04MUW3VTBG

Active

UDFN-8

517DH

260

REEL

3000

Serial

4 kb

512 x 8

I2C

1000

3450

1.7

3.6

-40

125

$0.3257

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EEPROM Memory | NV34C04

4-Kb Serial SPD EEPROM for DDR4 DIMM

Overview

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