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MAX3890ECB fiches techniques PDF

Maxim Integrated - +3.3V / 2.5Gbps / SDH/SONET 16:1 Serializer with Clock Synthesis and LVDS Inputs

Numéro de référence MAX3890ECB
Description +3.3V / 2.5Gbps / SDH/SONET 16:1 Serializer with Clock Synthesis and LVDS Inputs
Fabricant Maxim Integrated 
Logo Maxim Integrated 





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MAX3890ECB fiche technique
19-1498; Rev 0; 6/99
EVAALVUAAILTAIOBNLEKIT
+3.3V, 2.5Gbps, SDH/SONET 16:1 Serializer
with Clock Synthesis and LVDS Inputs
General Description
The MAX3890 serializer is ideal for converting 16-bit-
wide, 155Mbps parallel data to 2.5Gbps serial data in
ATM and SDH/SONET applications. Operating from a
single +3.3V supply, this device accepts low-voltage
differential-signal (LVDS) clock and data inputs for
interfacing with high-speed digital circuitry, and deliv-
ers PECL serial data and clock outputs. A fully integrat-
ed PLL synthesizes an internal 2.5GHz serial clock from
a 155.52MHz, 77.76MHz, 51.84MHz, or 38.88MHz ref-
erence clock. A loopback data output is provided to
facilitate system diagnostic testing.
The MAX3890 is available in the extended temperature
range (-40°C to +85°C) in a 64-pin TQFP exposed-
paddle (EP) package.
Features
o Single +3.3V Supply
o 495mW Power Consumption
o Exceeds ANSI, ITU, and Bellcore Specifications
o 155Mbps (16-bit wide) Parallel to 2.5Gbps Serial
Conversion
o Clock Synthesis for 2.5Gbps
o Multiple Clock Reference Frequencies
(155.52MHz, 77.76MHz, 51.84MHz, 38.88MHz)
o LVDS Parallel Clock and Data Inputs
o Additional High-Speed Output for System
Loopback Testing
Applications
2.5Gbps SDH/SONET Transmission Systems
2.5Gbps ATM/SONET Access Nodes
Add/Drop Multiplexers
Digital Cross-Connects
ATM Backplanes
Ordering Information
PART
TEMP. RANGE
MAX3890ECB
-40°C to +85°C
*EP = Exposed Paddle
PIN-PACKAGE
64 TQFP-EP*
Pin Configuration appears at end of data sheet.
Typical Operating Circuit
155MHz REF. CLOCK INPUT
+3.3V TTL
OVERHEAD
GENERATION
PDI0+ RCLK+ RCLK- CLKSET VCC SOS
PDI0-
SDO+
SDO-
PDI15+
PDI15-
PCLKI+
MAX3890
PCLKI-
PCLKO+
PCLKO-
GND
FIL+
SCLKO+
SCLKO-
FIL- SLBO+ SLBO-
+3.3V
130
130
+3.3V
VCC
8282+3.3V
MAX3867
130
130
8282
330nF
THIS SYMBOL REPRESENTS A TRANSMISSION LINE
OF CHARACTERISTIC IMPEDANCE (Z0 = 50).
OPTIONAL CONNECTION TO MAX3880
FOR SYSTEM LOOPBACK TESTING.
________________________________________________________________ Maxim Integrated Products 1
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800.
For small orders, phone 1-800-835-8769.

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