PRELIMINARY
PM4318 OCTLIU
DATASHEET
PMC- 2001578
ISSUE 3
OCTAL E1/T1/J1 LINE INTERFACE DEVICE
Figure 22 – Input Observation Cell (IN_CELL)
IDCODE
Scan Chain Out
INPUT
to internal
logic
Input
Pad
G1
G2
SHIFT-DR
1 2
1 2
1 2
1 2
D
MUX
C
I.D. Code bit
CLOCK-DR
Scan Chain In
Figure 23 – Output Cell (OUT_CELL) or Enable Cell (ENABLE)
Scan Chain Out
G1
EXTEST
Output or Enable
from system logic
1
1
OUTPUT
or Enable
MUX
G1
G2
IDOODE
SHIFT-DR
1 2
1 2 MUX
1 2
1 2
D
D
C
I.D. code bit
C
CLOCK-DR
UPDATE-DR
Scan Chain In
PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE
208
PMC [ PMC-SIERRA, INC ]
