DS2148T+ Maxim Integrated Products, DS2148T+ Datasheet - Page 58

• Manufacturer Part Number: DS2148T+
• Description: IC LIU E1/T1/J1 5V 44-TQFP
• Manufacturer: Maxim Integrated Products
• Type: Line Interface Units (LIUs)r

Specifications of DS2148T+

• Number Of Drivers/receivers: 1/1
• Protocol: T1/E1/J1
• Voltage - Supply: 4.75 V ~ 5.25 V
• Mounting Type: Surface Mount
• Package / Case: 44-TQFP, 44-VQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Figure 8-1. 144-Pin CSBGA (17mm x 17mm) Pinout
NOTES:
1) Shaded areas are signals common to all four devices.
2) Connect to V
A
B
C
D
G
H
K
M
E
F
L
J
Note 2
RPOS
TNEG
RCLK
TPOS
(R/W)
RTIP
VSS
See
WR
NC
NC
A4
A3
1
1
2
2
2
1
2
RRING
SS
RNEG
RNEG
TNEG
TPOS
TCLK
TCLK
TTIP
VDD
(DS)
(AS)
ALE
NC
RD
.
2
1
1
2
2
2
1
1
2
1
TRING
Note 2
PEBO
RCLK
CS2
AD3
AD1
CS1
See
D3/
D1/
NC
NC
NC
NC
3
1
2
1
BPCLK
RPOS
RTIP
VDD
VSM
VSS
VSS
VSS
AD2
D2/
NC
NC
NC
4
2
2
2
1
1
1
1
RRING
PEBO
TTIP
VDD
VDD
AD0
D0/
NC
NC
NC
NC
NC
NC
5
2
2
1
1
1
BPCLK
LOTC1
TRING
58 of 73
MCLK
RCL/
NC
NC
NC
NC
NC
NC
NC
NC
6
2
2
LOTC2
LOTC4
TEST
RTIP
RCL/
RCL/
BIS0
NC
NC
NC
NC
NC
NC
NC
7
3
RRING
BPCLK
PEBO
TTIP
VDD
VDD
BIS1
NC
NC
NC
NC
NC
8
3
3
3
4
4
4
LOTC3
TRING
HRST
RCL/
VDD
VDD
VSS
VSS
VSS
AD4
D4/
INT
NC
NC
9
3
3
3
3
4
4
BPCLK
RNEG
PEBO
RTIP
VSS
CS3
AD6
AD7
CS4
D6/
D7/
NC
NC
NC
10
4
3
3
4
4
RRING
RNEG
RPOS
RPOS
RCLK
RCLK
TPOS
TTIP
AD5
D5/
NC
NC
A2
11
4
4
3
3
3
4
4
4
TRING
TNEG
TNEG
TPOS
TCLK
TCLK
PBTS
NC
NC
NC
A0
A1
12
4
3
3
3
4
4