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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 Applications fIN (min) (MHz) fIN (max) (MHz) fOUT (min) (MHz) fOUT (max) (MHz) Fixed or Continuous Frequency Output Levels Number of Outputs Number of PLLs Programmability Spread Spectrum Output Jitter (ps RMS) Supply Voltage (V) Package
MAX9451 
•Ethernet
•Fibre Channel
•GSM
•SONET/SDH
•UMTS
•W-CDMA
 0.008 500 15 160 Continuous HSTL 2 1 I2C No 0.8 2.5
3.3 		TQFP-EP/32
MAX9450 
•Ethernet
•Fibre Channel
•GSM
•SONET/SDH
•UMTS
•W-CDMA
 0.008 500 15 160 Continuous LVPECL 2 1 I2C No 0.8 2.5
3.3 		TQFP-EP/32
MAX9452 
•Ethernet
•Fibre Channel
•GSM
•SONET/SDH
•UMTS
•W-CDMA
 0.008 500 15 160 Continuous LVDS 2 1 I2C No 0.8 2.5
3.3 		TQFP-EP/32
See All Clock Generators (28)

Key Specifications:   High-Speed Interconnect (Differential Signaling)
Part Number Tx Signal Type Number of Tx Supply Voltage (V)
MAX9450  LVPECL 2 2.5
3.3
See All High-Speed Interconnect (Differential Signaling) (132)

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)
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%
See All Oscillator Modules (28)

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 TQFN/20 17
MAX4823  70 6 160
•Daisy-Chainable
•Integrated Kickback Diodes
•Power On Reset
•Thermal Shutdown
 8 SPI 2.3 to 5.5 TQFN/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 TQFN/20 17
MAX4825  70 6 160
•Daisy-Chainable
•Integrated Kickback Diodes
•Power On Reset
•Thermal Shutdown
 8 Parallel 2.3 to 5.5 TQFN/20
TSSOP-EP/20 		17
See All Relay Drivers (7)

Key Specifications:   Switches and Multiplexers (Low Voltage)
Part Number Configuration Number of Channels Normally (Open/Closed) VSUPPLY, Single (min) (V) VSUPPLY, Single (max) (V) RON (max) (Ω) Bandwidth (MHz) IL (OFF) (max) (nA) tON (max) (nS) tOFF (max) (nS) QINJECTION (pC) CON (pF) COFF (pF)
MAX4670  SPDT 8 Open/Closed 2.7 3.6 9 30 0.01 400 200 8 24 12
See All Switches and Multiplexers (Low Voltage) (158)

Key Specifications:   T/E Carrier & Packetized Products
Part Number Transmission Standard Functions Number of Channels Input to Output Clocks (MHz) Supply Voltage (V) EV-Kit Package Smallest Available Package (max w/pins) (mm2)
DS32506  STS-1
T3/E3
•LIU
 6  -  3.3 Yes BGA/484 380
DS32508  STS-1
T3/E3
•LIU
 8  -  3.3  -  BGA/484 380
DS32512  STS-1
T3/E3
•LIU
 12  -  3.3 Yes BGA/484 380
DS26504  64kHz - G.703 II.2 Japanese 6312kHz Clock
64kHz - G.703 II.1 Japanese 64kHz Clock
64kHz Composite Clock - G.703 Level B
64kHz Composite Clock - G.703 Level A
64kHz Composite Clock - GR378
T1/E1/J1
•BITS Element
 1 0.008
0.064
1.544
2.048
6.312
19.44 		3.3 Yes LQFP/64 149
DS3154  STS-1
T3/E3
•LIU
 4  -  3.3 Yes TECSBGA/144 169
DS3151  STS-1
T3/E3
•LIU
 1  -  3.3  -  TECSBGA/144 169
DS3152  STS-1
T3/E3
•LIU
 2  -  3.3  -  TECSBGA/144 169
DS3153  STS-1
T3/E3
•LIU
 3  -  3.3 Yes TECSBGA/144 169
DS3150  STS-1
T3/E3
•LIU
 1  -  3.3 Yes PLCC/28
TQFP/48 		85
See All T/E Carrier & Packetized Products (102)
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