參數(shù)資料
型號(hào): SY89312VMG TR
廠商: Micrel Inc
文件頁(yè)數(shù): 1/7頁(yè)
文件大?。?/td> 0K
描述: IC CLOCK GEN /2 PECL/ECL 8-MLF
標(biāo)準(zhǔn)包裝: 0
系列: Precision Edge®
類(lèi)型: 時(shí)鐘發(fā)生器
PLL: 無(wú)
輸入: ECL,PECL
輸出: ECL,PECL
電路數(shù): 1
比率 - 輸入:輸出: 1:1
差分 - 輸入:輸出: 是/無(wú)
頻率 - 最大: 4GHz
除法器/乘法器: 是/無(wú)
電源電壓: 3 V ~ 5.5 V
工作溫度: -40°C ~ 85°C
安裝類(lèi)型: 表面貼裝
封裝/外殼: 8-VFDFN 裸露焊盤(pán),8-MLF?
供應(yīng)商設(shè)備封裝: 8-MLF?(2x2)
包裝: 標(biāo)準(zhǔn)包裝
SY89312V
3.3V/5V, 4GHz PECL/ECL
÷2 Clock Generator
Precision Edge
Precision Edge is a registered trademark of Micrel, Inc.
Micrel Inc. 2180 Fortune Drive San Jose, CA 95131 USA tel +1 (408) 944-0800 fax + 1 (408) 474-1000 http://www.micrel.com
June 25, 2013
Revision 2.0
hbwhelp@micrel.com or (408) 955-1690
General Description
The SY89312V is an integrated
÷2 divider with differential
clock
inputs.
It
is
functionally
equivalent
to
the
SY100EP32V but in an ultra-small 8-pin QFN 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 can also bias AC-
coupled inputs. When used, decouple V
BB and VCC via a
0.01
F capacitor and limit current sourcing or sinking to
0.5mA. When not in use, 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.
Datasheets and support documentation are available on
Micrel’s web site at: www.micrel.com.
Precision Edge
Features
Guaranteed AC performance over temperature and
voltage:
>4GHz fMAX input
<160ps tr/tf
<440ps tpd
3.3V and 5V power supply operation
100k ECL/PECL-compatible I/O
Internal 75K input pull-down resistors
Wide operating temperature range: –40°C to +85°C
Available in ultra-small 8-pin 2mm × 2mm QFN package
Truth Table
CLK
/CLK
RESET
Q
/Q
X
H
L
H
L
F
Note:
1.
F = Divide by 2 function.
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