DS21448L+ Maxim Integrated Products, DS21448L+ Datasheet - Page 40
![IC LIU QUAD E1/T1/J1 128-LQFP](/photos/6/82/68247/128-lqfp_21-0086d_sml.jpg)
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
Product
Framer
Number Of Transceivers
4
Supply Voltage (max)
3.465 V
Supply Voltage (min)
3.135 V
Supply Current (max)
400 mA
Maximum Operating Temperature
+ 70 C
Minimum Operating Temperature
0 C
Mounting Style
SMD/SMT
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Figure 7-5. E1 Transmit Pulse Template
-0.1
-0.2
1.2
1.1
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
-250
-200
-150
-100
-50
40 of 60
TIME (ns)
194ns
219ns
0
50
100
150
269ns
TEMPLATE
G.703
200
250