DS21448L+ Maxim Integrated Products, DS21448L+ Datasheet - Page 42
![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 7-7. Jitter Tolerance
Figure 7-8. Jitter Attenuation
-40
-20
-60
100
0
1k
10
0.1
1
1
1
TR 62411 (DEC ‘90)
10
10
CURVE B
E1
PROHIBITED
ITU-T G.823
TBR12
AREA
T1
FREQUENCY (Hz)
100
100
FREQUENCY (Hz)
CURVE A
42 of 60
1k
1k
DS21448 TOLERANCE
PROHIBITED AREA
ITU G.7XX
PROHIBITED AREA
TR 62411 (DEC 90)
10k
10k
100k
100k