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SY89312V Datasheet(PDF) 1 Page - Micrel Semiconductor

Part No. SY89312V
Description  3.3V/5V, 4GHz PECL/ECL ÷ 2 CLOCK GENERATOR
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Maker  MICREL [Micrel Semiconductor]
Homepage  http://www.micrel.com
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SY89312V Datasheet(HTML) 1 Page - Micrel Semiconductor

   
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1
Precision Edge®
SY89312V
Micrel, Inc.
M9999-051006
hbwhelp@micrel.com or (408) 955-1690
DESCRIPTION
s Guaranteed AC performance over temperature and
voltage:
• > 4GHz fMAX input
• < 160ps tr/tf
• < 440ps tpd
s 3.3V and 5V power supply operation
s 100k ECL/PECL compatible I/O
s Internal 75K
input pull-down resistors
s Wide operating temperature range: –40
°C to +85°C
s Available in ultra-small 8-pin MLF® (2mm x 2mm)
package
FEATURES
Precision Edge®
SY89312V
Rev.: C
Amendment: /0
Issue Date:
May 2006
The SY89312V is an integrated
÷2 divider with differential
clock inputs. It is functionally equivalent to the SY100EP32V
but in an ultra-small 8-lead MLF® package that features a
70% smaller footprint.
The V
BB pin, an internally generated voltage supply, is
available for this device only. For single-ended input
conditions, the unused differential input is connected to VBB
as a switching reference voltage. V
BB may also bias
AC-coupled inputs. When used, decouple V
BB and VCC via
a 0.01
µF capacitor and limit current sourcing or sinking to
0.5mA. When not used, V
BB should be left open.
The reset pin is asynchronous and is asserted when it is
high. Upon power-up, the internal flip-flops will be in a
random state; the reset allows for the synchronous use of
multiple SY89312Vs in a system.
Precision Edge®
Precision Edge is a registered trademark of Micrel, Inc.
MicroLeadFrame and MLF are registered trademarks of Amkor Technology, Inc.
3.3V/5V, 4GHz PECL/ECL
÷ 2 CLOCK GENERATOR
CLK
/CLK
RESET
Q
/Q
XX
H
L
H
LF
F
TRUTH TABLE(1)
Note:
1. F = Divide by 2 function


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