© Semiconductor Components Industries, LLC, 2018

May, 2018 − Rev. 0

1

Publication Order Number:

NV34C02WF/D

NV34C02WF

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

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.

Features

(SCL and SDA)

Compliant*

Figure 1. Functional Symbol

SDA

SCL

WP

NV34C02WF

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

download the ON Semiconductor Soldering and Mounting Techniques

Reference Manual, SOLDERRM/D.

www.onsemi.com

PIN CONFIGURATION

SDA

WP

1

See detailed ordering and shipping information in the package

dimensions section on page 3 of this data sheet.

ORDERING INFORMATION

SCL

US8 (U)

UDFN8

U SUFFIX

CASE 517DH

Device Address Input

Serial Data Input/Output

SDA

Serial Clock Input

SCL

Write Protect Input

WP

Power Supply

Ground

Function

Pin Name

PIN FUNCTION

1

XXXXX = Specific Device Code

A

= Assembly Location

WL

= Wafer Lot

Y

= Year

W

= Work Week

G

= Pb−Free Package

XXXXX

AWLYWG

1

PART MARKING