PM4314 QDSX
DATA SHEET
PMC-950857
ISSUE 5
QUAD T1/E1 LINE INTERFACE DEVICE
Pin Name
Type
Input
Pin
No.
Function
TRSTB
5
Active low Test Reset (TRSTB).This signal
provides an asynchronous QDSX test access
port reset via the IEEE P1149.1 test access port.
TRSTB is a Schmitt triggered input with an
integral pull up resistor. When not being used,
TRSTB should be tied to RSTB.
VDDO[6]
VDDO[5]
VDDO[4]
VDDO[3]
VDDO[2]
VDDO[1]
VDDI[3]
VDDI[2]
VDDI[1]
Power
Power
119 Pad Ring Power Pins (VDDO[6:1]).These pins
must be connected to a common well decoupled
+5V DC power supply together with the
112
94
55
48
18
36
84
20
VDDI[3:1], TAVD[4:1], and RAVD[4:1] pins. Care
must be taken to avoid coupling noise between
these pins.
Core Power Pins (VDDI[3:1]).These pins must be
connected to a common well decoupled +5V DC
power supply together with the VDDO[6:1],
TAVD[4:1], and RAVD[4:1] pins. Care must be
taken to avoid coupling noise between these
pins.
VSSO[6]
VSSO[5]
VSSO[4]
VSSO[3]
VSSO[2]
VSSO[1]
Ground 120 Pad Ring Ground Pins (VSSO[6:1]).These pins
must be connected to a common ground together
with the VSSI[15:1], TAVS[4:1], and RAVS[4:1]
111
93
56
47
19
pins. Care must be taken to avoid coupling noise
between these pins.
PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE
27
PMC [ PMC-SIERRA, INC ]
