STANDARD PRODUCT
PM4351 COMET
DATA SHEET
PMC-1970624
ISSUE 10
COMBINED E1/T1 TRANSCEIVER
The COMET is also available in an 81 pin Chip Array Ball Grid Array (CABGA)
package having a body size of 9 mm by 9 mm and a pin pitch of 0.8 mm.
Figure 4
PM4351-NI COMET Pin Diagram
(Bottom View)
9
8
7
6
5
4
3
2
1
A
B
C
RAVD1
PIO
RXRING
RAVS1
TRIMF
RAVD2
RAVS2
RXTIP
QAVD
ATB
TAVD4
TAVD3
TVREF
TAVD2
TAVS2
TAVS3
TXTIP2
TAVS1
TDAT
TAVD1
TCLKI
TCLKO
A
B
C
RSYNC
TAVS4
TXRING
1
TXRING
2
XCLK/
VCLK
D
E
F
RCLKI
BRPCM
VSSI2
ALE
BRCLK
RDAT
VDDI2
BIAS
A[6]
RVREF
VSSO2
BRSIG
A[7]
QAVS
VDDO2
BRFP
A[4]
TXTIP1
NC
VSSO1
BTFP
D[3]
BTCLK
BTSIG
TRSTB
RDB
VDDO1
TMS
VDDI1
TDI
TFP
BTPCM
TCK
D
E
F
D[5]
D[4]
A[1]
VSSO3
5
G
H
J
VDDO3
D[2]
VSSI1
TDO
CSB
1
G
H
J
A[8]
A[2]
D[6]
D[0]
RSTB
WRB
2
A[5]
A[3]
D[7]
A[0]
D[1]
INTB
3
9
8
7
6
4
PROPRIETARY AND CONFIDENTIAL
18
PMC [ PMC-SIERRA, INC ]
