DS26303LN-75+ Maxim Integrated Products, DS26303LN-75+ Datasheet - Page 9

• Manufacturer Part Number: DS26303LN-75+
• Description: IC LIU E1/T1/J1 3.3V 144-ELQFP
• Manufacturer: Maxim Integrated Products
• Type: Line Interface Units (LIUs)r

Specifications of DS26303LN-75+

• Number Of Drivers/receivers: 8/8
• Protocol: T1/E1/J1
• Voltage - Supply: 3.135 V ~ 3.465 V
• Mounting Type: Surface Mount
• Package / Case: 144-LQFP Exposed Pad, 144-eLQFP, 144-HLQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

3 BLOCK DIAGRAMS
Figure 3-1. Block Diagram
RRING
RTIP
TRING
TTIP
OE
TYPICAL OF ALL 8 CHANNELS
Reset
Reset
Port Interface
Ones Insertion
Unframed All
VCO/PLL
5
DS26303: 3.3V, T1/E1/J1, Short-Haul, Octal Line Interface Unit
9 of 101
8
Jitter Attenuator
MUX
Interrupt
Control
and
T1CLK E1CLK
1.544MHz PLL
2.048MHz to
JTAG PORT
MUX
DS26303
Transmit Logic
Receive Logic
T1CLK
Master Clock
8
Adapter
E1CLK
8
RNEG/CV
RLOS
RPOS/RDAT
RCLK
TPOS/TDAT
TCLK
TNEG