DS21448L+ Maxim Integrated Products, DS21448L+ Datasheet - Page 42

• Manufacturer Part Number: DS21448L+
• Description: IC LIU QUAD E1/T1/J1 128-LQFP
• Manufacturer: Maxim Integrated Products
• Type: Line Interface Units (LIUs)r

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