© Semiconductor Components Industries, LLC, 2017

June, 2018 − Rev. 1

1

Publication Order Number:

NV25640WF/D

NV25640WF

EEPROM Serial 64-Kb SPI

Automotive Grade 1

inWettable Flank UDFN-8

Package

Description

The NV25640 is a EEPROM Serial 64−Kb SPI Automotive Grade 1

device internally organized as 8Kx8 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 NV25640 device. The device

features software and hardware write protection, including partial as

well as full array protection.

Features

Compliant

SI

SO

NV25640WF

SCK

CS

WP

HOLD

Figure 1. Functional Symbol

www.onsemi.com

See detailed ordering and shipping information on page 10 of

this data sheet.

ORDERING INFORMATION

Chip Select

CS

Serial Data Output

SO

Write Protect

WP

Ground

Serial Data Input

SI

Serial Clock

SCK

Function

Pin Name

PIN FUNCTION

Hold Transmission Input

HOLD

Power Supply

PIN CONFIGURATIONS

SI

HOLD

WP

SO

CS

UDFN8

(Wettable Flank)

MUW3 SUFFIX

CASE 517DH

SCK

UDFN8 (MUW3)

(Top View)

1

1