CM3131
PACKAGE / PINOUT DIAGRAM
TOP VIEW
TOP VIEW
NC
VTT
DRIVE
VSTBY
VDDQ
GND
VDDQ1
SEL
NC
VDDQ2
VTT
CM3131-02
SENSE2
DRIVE2
DRIVE1
VSTBY
CM3131-01/11
GND
VCC
SENSE1
VCC
SEL/EN
SENSE
EN
PSOP-8
PSOP-14
Note: These drawings are not to scale.
PIN DESCRIPTIONS
PART NUMBER
DESCRIPTION
NAME
-01
-11
-02
1
1
13
VDDQ / VDDQ1
VDDQ input for VREF and VDDQ Output in Standby
VTT Output for termination resistors
No connection
2
2
3
14
1
VTT
NC
3
4
2
GND
Ground
3
SEL
Select Input, active low
4
NC
No connection
4
5
6
7
8
7
EN
Enable Input, active high
5
6
7
8
5
SENSE / SENSE1
VCC
Sense Input, Adjusts VDDQ Rail
3.3V Main Input Supply
6
8
VSTBY
3.3V or 5V Standby Input Supply
Drive Output for VDDQ External n-FET
Drive Output for VDDQ External n-FET
Sense Input, Adjusts VDDQ Rail
VDDQ Input for VREF and VDDQ Output in Standby
9
DRIVE / DRIVE1
DRIVE2
SENSE2
VDDQ 2
10
11
12
Ordering Information
PART NUMBERING INFORMATION
STANDARD FINISH
LEAD-FREE FINISH
ORDERING PART
NUMBER1
PART
MARKETING
ORDERING
PART
MARKING
PINS
PACKAGE
PART NUMBER1
8
8
14
PSOP-8
PSOP-8
PSOP-14
CM3131-01SB
CM3131-11SB
CM3131-02SB
CM3131-01SB
CM3131-11SB
CM3131-02SB
CM3131-01SH
CM3131-11SH
CM3131-02SH
CM3131-01SH
CM3131-11SH
CM3131-02SH
Note 1: Parts are shipped in Tape & Reel form unless otherwise specified.
© 2004 California Micro Devices Corp. All rights reserved.
02/02/04
430 N. McCarthy Blvd., Milpitas, CA 95035-5112
Tel: 408.263.3214
Fax: 408.263.7846
www.calmicro.com
2
CALMIRCO [ CALIFORNIA MICRO DEVICES CORP ]
