MAX3690 Maxim, MAX3690 Datasheet
MAX3690
Manufacturer Part Number
MAX3690
Description
+3.3V / 622Mbps / SDH/SONET 8:1 Serializer with Clock Synthesis and TTL Inputs
Manufacturer
Maxim
Datasheet
1.MAX3690.pdf
(8 pages)
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The MAX3690 serializer is ideal for converting 8-bit-
wide, 77Mbps parallel data to 622Mbps serial data in
ATM and SDH/SONET applications. Operating from a
single +3.3V supply, this device accepts TTL clock and
data inputs, and delivers a 3.3V differential PECL serial-
data output. A fully integrated PLL synthesizes an inter-
nal 622MHz serial clock from a low-speed crystal
reference clock (77.76MHz, 51.84MHz, or 38.88MHz).
The MAX3690 is available in the extended-industrial
temperature range (-40°C to +85°C) in a 32-pin TQFP
package.
________________________Applications
19-4774; Rev 1; 4/99
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.
622Mbps SDH/SONET Transmission Systems
622Mbps ATM/SONET Access Nodes
Add/Drop Multiplexers
Digital Cross Connects
+3.3V, 622Mbps, SDH/SONET 8:1 Serializer
________________________________________________________________ Maxim Integrated Products
THIS SYMBOL REPRESENTS A TRANSMISSION LINE
OF CHARACTERISTIC IMPEDANCE (Z
General Description
GENERATION
OVERHEAD
with Clock Synthesis and TTL Inputs
38.88MHz TTL CRYSTAL
PD0
PD1
PD2
PD3
PD4
PD5
PD6
PD7
0
REFERENCE
PCLKO
PCLKI
= 50 ).
GND
MAX3690
RCLK
V
CC
SD-
V
= +3.3V
CC
____________________________Features
Pin Configuration appears at end of data sheet.
MAX3690ECJ
SD+
Selectable Reference Clock Frequency:
77.76MHz, 51.84MHz, or 38.88MHz
Single +3.3V Supply
77Mbps (8-bit) Parallel to 622Mbps Serial
Conversion
Clock Synthesis for 622Mbps Serial Data
200mW Power
TTL Parallel Clock and Data Inputs
Differential 3.3V PECL Serial-Data Output
CKSET
PART
FIL+
FIL-
V
CC
= +3.3V
Typical Operating Circuit
130
TEMP. RANGE
-40°C to +85°C
82
Ordering Information
1 F
130
1 F
82
MAX3668
V
PIN-PACKAGE
32 TQFP
CC
= +3.3V
1
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