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Maxim > Solutions > Telecom Line Cards: T3, E3, STS-1

Line Interface Units

DATA SHEETS
Display Title / Parts Key Advantages
QV  PDF 10MHz to 51.84MHz TCXO
DS4026

Digital TCXO Provides Extremely High Accuracy Over Wide Temperature Range
QV  PDF 6-/8-/12-Port DS3/E3/STS-1 LIU
DS32506, DS32508, DS32512

Less than 170mW/Port in a Small, 23mm x 23mm BGA
QV  PDF High-Precision Clock Generators with Integrated VCXO
MAX9450, MAX9451, MAX9452

First SONET Clock Generator with Integrated VCXO and Holdover for Replacing Expensive VCXOs and External Fail-Safe Logic
QV  PDF +3.3V/+5V, 8-Channel, Relay Drivers with Fast Recovery Time and Power-Save Mode
MAX4822, MAX4823, MAX4824, MAX4825

Octal Relay Drivers for Non-Latching Relays or Dual-Coil Latching Relays
QV  PDF Integrated T1/E1/J1 Short-Haul and Long-Haul Protection Switches
MAX4670
QV  PDF T1/E1/J1/64KCC BITS Element
DS26504
QV  PDF Single/Dual/Triple/Quad DS3/E3/STS-1 LIUs
DS3151, DS3152, DS3153, DS3154

Industry's Smallest Multichannel DS3/E3 and STS-1 LIUs
QV  PDF 3.3V, DS3/E3/STS-1 Line Interface Unit
DS3150

Industry's First Single-Port T3/E3 LIU with Fully Integrated Jitter Attenuator



Key Specifications:   Clock Generators
Part Number Input Reference Range (MHz) Output Frequencies (MHz) Output Type Number of Outputs Number of PLLs Programmability VCXO ± ppm Spread Spectrum Output Jitter (ps) Supply Voltage (V) Package Smallest Available Package (max w/pins) (mm2) Operating Temp. Range (°C)
MAX9451  0.008 to 500 15 to 160 HSTL 2 1 I2C > 60 No <0.8 (12kHz-20MHz)
<4 (RMS) 		2.4 to 3.6 TQFP/32 52 -40 to +85
MAX9450  0.008 to 500 15 to 160 LVPECL 2 1 I2C > 60 No <0.8 (12kHz-20MHz)
<4 (RMS) 		2.4 to 3.6 TQFP/32 52 -40 to +85
MAX9452  0.008 to 500 15 to 160 LVDS 2 1 I2C > 60 No <0.8 (12kHz-20MHz)
<4 (RMS) 		2.4 to 3.6 TQFP/32 52 -40 to +85
See All Clock Generators (22)

Key Specifications:   High-Speed Interconnect (Differential Signaling)
Part Number Tx Signal Type Number of Tx Supply Voltage (V) Package Smallest Available Package (max w/pins) (mm2) Operating Temp. Range (°C)
MAX9450  LVPECL 2 2.4 to 3.6 TQFP/32 52 -40 to +85
See All High-Speed Interconnect (Differential Signaling) (131)

Key Specifications:   Oscillator Modules
Part Number Frequency Oscillator Type Tuning Adjustment Type Frequency Output Type Freq. Stability vs. Temp. @-40 to +85°C (±ppm) Frequency Stability vs. Supply Voltage (±ppm/V) Frequency Stability vs. Aging (±ppm) Supply Voltage (V) Package Smallest Available Package (max w/pins) (mm2) Operating Temp. Range (°C)
DS4026  12.8MHz
19.44MHz
20MHz
38.88MHz
40MHz
51.84MHz 		TCXO Digital CMOS Push-Pull 1 ±2 (max) 2 (2-15 Years) 3.3 ±5% SOIC/16 80 -40 to +85
0 to +70
See All Oscillator Modules (26)

Key Specifications:   Relay Drivers
Part Number Min. Guaranteed Source Current (mA) @ 2.7V Output On-Resistance @ 2.7V (max) (Ω) Quiescent Current (max) (µA) Features Number of Channels Interface Supply Voltage (V) Package Smallest Available Package (max w/pins) (mm2)
MAX4822  70 6 160
•Daisy-Chainable
•Integrated Kickback Diodes
•Power On Reset
•Power-Save
•Thermal Shutdown
 8 SPI 2.3 to 5.5 THIN QFN/20 17
MAX4823  70 6 160
•Daisy-Chainable
•Integrated Kickback Diodes
•Power On Reset
•Thermal Shutdown
 8 SPI 2.3 to 5.5 THIN QFN/20 17
MAX4824  70 6 160
•Daisy-Chainable
•Integrated Kickback Diodes
•Power On Reset
•Power-Save
•Thermal Shutdown
 8 Parallel 2.3 to 5.5 THIN QFN/20 17
MAX4825  70 6 160
•Daisy-Chainable
•Integrated Kickback Diodes
•Power On Reset
•Thermal Shutdown
 8 Parallel 2.3 to 5.5 THIN QFN/20
TSSOP/20 		17
See All Relay Drivers (7)

Key Specifications:   T/E Carrier & Packetized Products
Part Number Transmission Standard Functions Number of Channels 5V-Tolerant I/O Supply Voltage (V) EV-Kit Package Smallest Available Package (max w/pins) (mm2)
DS32506  T3/E3
•LIU
 6  -   -  Yes TEBGA/484 380
DS32508  T3/E3
•LIU
 8 No  -   -  TEBGA/484 380
DS32512  T3/E3
•LIU
 12 No 3.3  -  TEBGA/484 380
DS3154  STS-1
T3/E3
•LIU
 4 Yes 3.3 Yes CSBGA/144 169
DS3151  STS-1
T3/E3
•LIU
 1 Yes 3.3 Yes CSBGA/144
TCBGA/144 		169
DS3152  STS-1
T3/E3
•LIU
 2 Yes 3.3 Yes CSBGA/144
TCBGA/144 		169
DS3153  STS-1
T3/E3
•LIU
 3 Yes 3.3 Yes CSBGA/144
TCBGA/144 		169
DS3150  STS-1
T3/E3
•LIU
 1 Yes 3.3 Yes PLCC/28
TQFP/48 		85
See All T/E Carrier & Packetized Products (96)


         


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