CM3109
PACKAGE / PINOUT DIAGRAM
TOP VIEW
V
DDQ
V
TT
SD
V
SENSE
1
2
3
4
8
7
6
5
GND
V
CC
V
DDQ
SEL
GND
FSBSEL
8-lead PSOP
Note: This drawing is not to scale.
PIN DESCRIPTIONS
LEAD(S)
1
2
3
4
5
6
7
8
NAME
V
DDQ
V
TT
SD
V
SENSE
FSBSEL
GND
V
DDQ
SEL
V
CC
DESCRIPTION
Input Voltage V
DDQ
Outputs either 1.225V/1.45V FSB or V
DDQ
/2 DDR (See note 1)
Shutdown input
Feedback voltage input
Select input for FSB output. Selects either V
TT
=1.225V or 1.45V.
GROUND
Select input for DDR/FSB Output
Power for control blocks
Note 1: Assumes V
DDQ
and V
DDQ
SEL are tied together in DDR application.
Ordering Information
PART NUMBERING INFORMATION
Standard Finish
Leads
8
Package
PSOP-8
Ordering Part
Number
1
CM3109-00SB
Part Marking
CM3109-00SB
Lead-free Finish
Ordering Part
Number
1
CM3109-00SH
Part Marking
CM3109-00SH
Note 1: Parts are shipped in Tape & Reel form unless otherwise specified.
©
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
CALMIRCO [ CALIFORNIA MICRO DEVICES CORP ]
