SK1901 Просмотр технического описания (PDF) - Semtech Corporation
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SK1901 Datasheet PDF : 30 Pages
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HIGH-PER.ORMANCE PRODUCTS
Description
.eatures
SK1900
1:9 Signal Distribution
PRELIMINARY
The SK1900 is an extremely fast, stable, and accurate •
low skew 1:9 clock / signal distributor featuring a •
synchronous enable, which allows the outputs to be •
turned off and on without the risk of an unpredictable
output pulse. The D - flip-flop is triggered on the falling
edge of the clock.
The SK1900 uses standard open emitter ECL outputs
optimized for:
• General purpose ECL compatible applications
• Multiple destination applications (daisy
chain).
.unctional Block Diagram
1:9 Clock/Data Driver
3 GHz Fmax
3.3V / 5.2V Compatible
Output Options
Open Emitter
VCC
OUT
OUT*
Output Swing
IN
DQ
IN*
D* Q*
0
1
CLK
CLK*
SEL*
SEL
OUT0
OUT0*
OUT1
OUT1*
OUT2
OUT2*
OUT3
OUT3*
OUT4
OUT4*
OUT5
OUT5*
OUT6
OUT6*
OUT7
OUT7*
OUT8
OUT8*
700 mV
1.3V
VCC
3.3V
or
5.2V
VEE
Pin Description
Package Information
32 pin, 5 mm x 5 mm
TQFP Package
VEE
SEL
SEL*
CLK
CLK*
IN
IN*
VCC
VCC
OUT3*
OUT3
OUT4
OUT4*
OUT5*
OUT5
VEE
Revision 1/January 23, 2001
6
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