DS21348

Manufacturer Part NumberDS21348
Description3.3V E1/T1/J1 Line Interface
ManufacturerDallas Semiconducotr
DS21348 datasheet
 


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BGA 12 x 12 PIN LAYOUT Figure 10-1
1
2
3
A
RTIP
TTIP
NC
1
1
B
NC
RRING
TRING
1
1
C
NC
NC
NC
D
VSS
VDD
CS*
2
2
2
E
RPOS
RNEG
D3/
2
2
AD3
F
RCLK
TPOS
D1/
2
2
AD1
G
TPOS
RNEG
PEBO
1
1
2
H
WR*
TNEG
RCLK
(R/W*)
1
1
J
See
RD*
CS*
Note 2
(DS*)
1
K
A4
ALE
See
(AS)
Note 2
L
A3
TCLK
NC
2
M
TNEG
TCLK
NC
2
1
NOTES:
1) Shaded areas are signals common to all four devices
2) Connect to V
.
SS
4
5
6
7
RTIP
TTIP
NC
RTIP
2
2
3
NC
RRING
TRING
NC
2
2
NC
NC
NC
NC
D2/
D0/
BPCLK
RCL/
AD2
AD0
2
LOTC2
VDD
NC
NC
NC
2
VSS
NC
NC
NC
2
VSM
NC
NC
NC
BPCLK
NC
NC
NC
1
VSS
VDD
MCLK
RCL/
1
1
LOTC4
RPOS
PEBO
NC
TEST
1
1
NC
VDD
RCL/
BIS0
1
LOTC1
VSS
NC
NC
NC
1
58 of 73
8
9
10
11
TTIP
NC
RTIP
TTIP
3
4
4
RRING
TRING
NC
RRING
3
3
4
NC
NC
NC
NC
VDD
VSS
CS*
RPOS
3
3
3
3
NC
VSS
PEBO
RCLK
3
3
3
NC
RCL/
BPCLK
RNEG
LOTC3
3
3
NC
VDD
NC
D5/
3
AD5
NC
VSS
D6/
A2
4
AD6
VDD
D4/
D7/
NC
4
AD4
AD7
PEBO
INT*
CS*
RPOS
4
4
4
BPCLK
HRST*
VSS
RCLK
4
4
4
BIS1
VDD
RNEG
TPOS
4
4
4
12
NC
TRING
4
NC
TNEG
3
TPOS
3
TCLK
3
A0
A1
NC
TNEG
4
TCLK
4
PBTS