DS21448L Maxim Integrated Products, DS21448L Datasheet - Page 2
DS21448L
Manufacturer Part Number
DS21448L
Description
IC LIU QUAD E1/T1/J1 128-LQFP
Manufacturer
Maxim Integrated Products
Type
Line Interface Units (LIUs)r
Datasheet
1.DS21448L.pdf
(60 pages)
Specifications of DS21448L
Number Of Drivers/receivers
4/4
Protocol
T1/E1/J1
Voltage - Supply
3.135 V ~ 3.465 V
Mounting Type
Surface Mount
Package / Case
128-TQFP, 128-VQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DS21448LN+
Manufacturer:
ROHM
Quantity:
12 000
Part Number:
DS21448LN+
Manufacturer:
MAXIM/美信
Quantity:
20 000
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
3.1
4.1
4.2
4.3
6.1
6.2
6.3
6.4
6.5
6.6
7.1
7.2
7.3
7.4
8.1
8.2
8.3
11.1
11.2
12.1
12.2
4.3.1
4.3.2
4.3.3
6.2.1
6.2.2
6.2.3
6.2.4
BLOCK DIAGRAMS ........................................................................................................................ 5
PIN DESCRIPTION .......................................................................................................................... 7
DETAILED DESCRIPTION ............................................................................................................ 13
PORT OPERATION ....................................................................................................................... 14
STATUS REGISTERS.................................................................................................................... 23
DIAGNOSTICS .............................................................................................................................. 28
ANALOG INTERFACE................................................................................................................... 33
JTAG BOUNDARY SCAN ARCHITECTURE AND TEST ACCESS PORT .................................. 43
OPERATING PARAMETERS ........................................................................................................ 48
AC TIMING PARAMETERS AND DIAGRAMS.............................................................................. 49
PIN CONFIGURATIONS ................................................................................................................ 56
PACKAGE INFORMATION ........................................................................................................... 58
THERMAL INFORMATION ............................................................................................................60
REVISION HISTORY...................................................................................................................... 60
DS21448
H
S
P
I
L
PRBS G
E
E
E
R
T
J
G.703 S
JTAG TAP C
I
T
N
NSTRUCTION
ITTER
OOPBACKS
RANSMITTER
EST
ERIAL
ARALLEL
RROR
RROR
RROR
ARDWARE
ECEIVER
-B
144-P
128-P
144-B
128-P
Device Power-Up and Reset................................................................................................................ 18
Register Map........................................................................................................................................ 18
Control Registers ................................................................................................................................. 19
Remote Loopback (RLB) ..................................................................................................................... 31
Local Loopback (LLB) .......................................................................................................................... 31
Analog Loopback (LLB) ....................................................................................................................... 31
Dual Loopback (DLB)........................................................................................................................... 31
AND
R
A
EGISTERS
P
C
C
I
IN
IN
ALL
IN
NSERTION
YNCHRONIZATION
ENERATION AND
TTENUATOR
L
ORT
OUNTER
OUNTER
OOP
AND
P
..................................................................................................................................... 33
BGA ............................................................................................................................56
LQFP...........................................................................................................................57
LQFP (56-G4011-001) ................................................................................................ 59
M
ORT
TE-PBGA (56-G6020-001) ....................................................................................... 58
.................................................................................................................................. 31
ONTROLLER
O
R
ODE
...............................................................................................................................33
-C
DS21Q348 D
EGISTER
PERATION
O
ODE
.......................................................................................................................... 31
.......................................................................................................................... 46
U
......................................................................................................................... 14
PERATION
........................................................................................................................ 32
PDATE
..................................................................................................................... 34
G
ENERATION AND
................................................................................................................ 45
D
.............................................................................................................. 15
S
S
ETECTION
............................................................................................................ 32
TATE
IGNAL
......................................................................................................... 18
IFFERENCES
TABLE OF CONTENTS
M
................................................................................................. 34
ACHINE
............................................................................................ 31
D
...................................................................................... 13
ETECTION
.................................................................................... 43
2 of 60
...................................................................... 28