Global Mixed-mode Technology Inc.
Pin Description
PIN
1
2
3
4
5
6
7
8
9
10
Thermal Pad
G2997
NAME
DESCRIPTIONS
VDDQSNS VDDQ sense input
VLDOIN Power supply for the VTT and VTTREF output stage
VTT
PGND
VTTSNS
VTTREF
S3
GND
S5
VIN
Output voltage for connection to termination resistors, equal to VDDQSNS/2
Power ground output for the VTT output
Voltage sense input for the VTT LDO. Connect to plus terminal of the output capacitor
Buffered output that is a reference output ,equal to VDDQSNS/2
Active low suspend to RAM mode control pin, VTT is turned off and left Hi-Z
Ground
Active low shutdown control pin, both VTT and VTTREF are turned off and discharged to ground
Analog input pin
Recommend connecting the Thermal Pad to the GND for excellent power dissipation.
Block Diagram
VIN
VDDQSNS
VLDOIN
VTTSNS
S3
S5
SD/STB
VTT
VTTREF
PGOOD
GND
PGND
Ver: 1.1
Jul 06, 2006
TEL: 886-3-5788833
http://www.gmt.com.tw
7
GMT [ GLOBAL MIXED-MODE TECHNOLOGY INC ]
