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ICS889874 PDF预览

ICS889874

更新时间: 2024-09-30 11:14:47
品牌 Logo 应用领域
矽成 - ICSI /
页数 文件大小 规格书
14页 162K
描述
DIFFERENTIAL-TO-LVPECL BUFFER/DIVIDER

ICS889874 数据手册

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PRELIMINARY  
ICS889874  
1:2  
TO-LVPECL BUFFER/DIVIDER  
Integrated  
Circuit  
Systems, Inc.  
DIFFERENTIAL  
-
GENERAL DESCRIPTION  
FEATURES  
The ICS889874 is a high speed 1:2 Differential- 2 LVPECL outputs  
ICS  
to-LVPECL Buffer/Divider and is a member of  
Frequency divide select options: ÷ 1, ÷ 2, ÷4, ÷8, ÷16  
HiPerClockS™  
the HiPerClockS™family of high performance  
clock solutions from ICS. The ICS889874 has  
a selectable ÷1, ÷2, ÷4, ÷8, ÷16 output divider,  
IN, nIN input can accept the following differential input levels:  
LVPECL, LVDS, CML  
which allows the device to be used as either a 1:2 fanout  
buffer or frequency divider. The clock input has internal  
termination resistors, allowing it to interface with several  
differential signal types while minimizing the number of  
required external components. The device is packaged in  
a small, 3mm x 3mm VFQFN package, making it ideal for  
use on space-constrained boards.  
Output frequency: > 2.5GHz  
Output skew: 5ps (typical)  
Part-to-part skew: TBD  
Additive jitter, RMS: <0.03ps (design target)  
Supply voltage range:(LVPECL), 2.375V to 3.465V  
Supply voltage range: (ECL), -3.465V to -2.375V  
-40°C to 85°C ambient operating temperature  
Pin compatible with SY89874U  
BLOCK DIAGRAM  
PIN ASSIGNMENT  
S2  
16 15 14 13  
Q0  
IN  
VT  
1
2
3
4
12  
nQ0  
11  
nRESET  
Enable  
Q1  
VREF_AC  
10  
9
FF  
nQ1  
nIN  
Q0  
5
6
7
8
Enable  
MUX  
0
nQ0  
1
Q1  
IN  
00 ÷2  
01 ÷4  
10 ÷8  
nQ1  
VT  
ICS889874  
16-LeadVFQFN  
11 ÷16  
nIN  
S0  
S1  
3mm x 3mm x 0.95 package body  
K Package  
Decoder  
Top View  
VREF_AC  
The Preliminary Information presented herein represents a product in prototyping or pre-production.The noted characteristics are based on initial  
product characterization. Integrated Circuit Systems, Incorporated (ICS) reserves the right to change any circuitry or specifications without notice.  
889874AK  
www.icst.com/products/hiperclocks.html  
REV. A MAY 19, 2004  
1

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