CM3109 Ver la hoja de datos (PDF) - California Micro Devices Corp

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componentes Descripción

Fabricante

CM3109

2A Sink/Source Regulator for Front Side Bus and DDR Memory Bus Termination

California Micro Devices Corp 

CM3109

PACKAGE / PINOUT DIAGRAM

TOP VIEW

Note: This drawing is not to scale.

VDDQ

VTT

SD

VSENSE

1

8

2

7

GND

3

6

4

5

8-lead PSOP

VCC

VDDQSEL

GND

FSBSEL

PIN DESCRIPTIONS

LEAD(S)

NAME DESCRIPTION

1

VDDQ

Input Voltage VDDQ

2

VTT

Outputs either 1.225V/1.45V FSB or VDDQ/2 DDR (See note 1)

3

SD

Shutdown input

4

VSENSE Feedback voltage input

5

FSBSEL Select input for FSB output. Selects either VTT=1.225V or 1.45V.

6

GND GROUND

7

VDDQSEL Select input for DDR/FSB Output

8

VCC

Power for control blocks

Note 1: Assumes VDDQ and VDDQSEL are tied together in DDR application.

Ordering Information

PART NUMBERING INFORMATION

Standard Finish

Leads

Package

Ordering Part

Number1

Part Marking

8

PSOP-8

CM3109-00SB

CM3109-00SB

Note 1: Parts are shipped in Tape & Reel form unless otherwise specified.

Lead-free Finish

Ordering Part

Number1

Part Marking

CM3109-00SH

CM3109-00SH

© 2004 California Micro Devices Corp. All rights reserved.

2 430 N. McCarthy Blvd., Milpitas, CA 95035-5112 ▲ Tel: 408.263.3214

▲ Fax: 408.263.7846 ▲ www.calmicro.com

01/15/04

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