WM72016 datasheet(2/32 Pages) RAMTRON

部品番号	WM72016

部品情報	16Kbit Secure F-RAM Memory with Gen-2 RFID Access & Serial Port Direct Memory Access

PDF	32 Pages

Scroll/Zoom	100%

メーカー	RAMTRON [Ramtron International Corporation]

ホームページ	http://www.ramtron.com

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2 / 32 page

WM72016 – Secure F-RAM with Gen-2 RFID and Serial Port

Rev. 1.4

May 2011

Page 2 of 32

PIN CONFIGURATION (UDFN PACKAGE)

Top View

(PCB Layout)

Ser_clk

Ser_dat1

Ser_dat0

Ser_CS

ANT-

ANT+

Vddr

Vddraw

3.0 mm × 3.0 mm body, 0.65 mm pad pitch

PIN DESCRIPTION

Pin Name

Pin Number

Type

Description

ANT+, ANT-

7, 8

Input

RFID Antenna.

Connect to external RFID antenna terminals.

Connect ANT- to external RFID antenna terminal, also acts as

ground.

Ser_clk

Input

Serial interface clock

Ser_dat1,

Ser_dat0

2, 3

I/O

Serial interface bi-directional data

Ser_CS

I/O

Serial interface bi-directional chip select/interrupt

Vddraw

PWR

Power supply input pin. DC supply (2.1V to 3.0V)

Vddr

PWR

Power supply output pin. This supply is internally generated via

the RF field. The Vddr and Vddraw pins are tied together for most

applications.

Contact the factory for other applications such as

battery assisted systems.

WM72016 データシート(PDF) 2 Page - Ramtron International Corporation

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