DS2148T+ Maxim Integrated Products, DS2148T+ Datasheet - Page 2

• 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

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2
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4
5
6
7
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10 AC CHARACTERISTICS ................................................................................................... 61
11 PACKAGE INFORMATION ............................................................................................... 70
1.1
1.2
3.1
3.2
3.3
4.1
6.1
6.2
6.3
6.4
6.5
7.1
7.2
7.3
7.4
9.1
11.1 44-P
11.2 49-B
11.3 144-B
6.2.1
6.2.2
6.2.3
6.2.4
6.4.1
DETAILED DESCRIPTION .................................................................................................. 5
PIN DESCRIPTION............................................................................................................ 10
HARDWARE MODE .......................................................................................................... 23
CONTROL REGISTERS .................................................................................................... 28
STATUS REGISTERS ....................................................................................................... 34
DIAGNOSTICS .................................................................................................................. 39
ANALOG INTERFACE ...................................................................................................... 46
DS21Q48 QUAD LIU ......................................................................................................... 55
DC CHARACTERISTICS ................................................................................................... 59
F
D
R
P
S
D
I
L
PRBS G
E
E
R
T
J
G.703 S
THERMAL CHARACTERISTICS ................................................................................................60
N
ITTER
OOPBACKS
UNCTION
RANSMITTER
ARALLEL
ERIAL
RROR
RROR
OCUMENT
EGISTER
EVICE
ECEIVER
-B
Remote Loopback (RLB) ......................................................................................................43
Local Loopback (LLB) ...........................................................................................................43
Analog Loopback (ALB) ........................................................................................................44
Dual Loopback (DLB)............................................................................................................44
Error Counter Update............................................................................................................45
AND
IN
ALL
ALL
A
TQFP (56-G4012-001) .....................................................................................................70
P
C
I
P
NSERTION
YNCHRONIZATION
ENERATION AND
TTENUATOR
L
CSGBA (7
ORT
OUNTER
OWER
CSBGA (17
OOP
P
.....................................................................................................................................46
M
D
R
ORT
ESCRIPTION
..................................................................................................................................43
AP
EVISION
O
...............................................................................................................................47
C
-U
PERATION
.............................................................................................................................23
O
ODE
..........................................................................................................................44
P AND
PERATION
........................................................................................................................45
MM X
.....................................................................................................................47
G
H
MM X
ENERATION AND
ISTORY
..................................................................................................................5
R
D
7
..............................................................................................................24
ESET
S
MM
ETECTION
IGNAL
17
.........................................................................................................24
TABLE OF CONTENTS
) (56-G6006-001) ...........................................................................71
MM
.......................................................................................................6
.....................................................................................................31
) (56-G6011-001) .....................................................................72
.................................................................................................48
............................................................................................44
D
ETECTION
2 of 73
......................................................................39