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889874AKLF

Description
IC clk buffer 1:2 2.5ghz 16vfqfn
Categorysemiconductor    Analog mixed-signal IC   
File Size148KB,14 Pages
ManufacturerIDT (Integrated Device Technology, Inc.)
Websitehttp://www.idt.com/
Environmental Compliance  
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889874AKLF Overview

IC clk buffer 1:2 2.5ghz 16vfqfn

PRELIMINARY
Integrated
Circuit
Systems, Inc.
ICS889874
1:2
D
IFFERENTIAL
-
TO
-LVPECL B
UFFER
/D
IVIDER
F
EATURES
Two LVPECL outputs
Frequency divide select options: ÷ 1, ÷ 2, ÷4, ÷8, ÷16
IN, nIN input can accept the following differential input levels:
LVPECL, LVDS, CML
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
Available in both standard and lead-free RoHS compliant
packages
G
ENERAL
D
ESCRIPTION
The ICS889874 is a high speed 1:2 Differential-
to-LVPECL Buffer/Divider and is a member of
HiPerClockS™
the HiPerClockS
family of high performance
clock solutions from ICS. The ICS889874 has
a selectable
÷1, ÷2, ÷4, ÷8, ÷16
output divider,
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.
IC
S
B
LOCK
D
IAGRAM
S2
P
IN
A
SSIGNMENT
V
CC
S0
Q0
nRESET
Enable
FF
Enable
MUX
1
2
3
4
16 15 14 13
12
11
10
9
5
S2
S1
V
EE
IN
V
T
V
REF
_
AC
nIN
nQ0
Q1
Q0
0
nQ1
6
nc
7
V
CC
8
nRESET
REV. A MARCH 20, 2006
nQ0
1
IN
V
T
nIN
S0
Decoder
Q1
nQ1
00
01
10
11
÷2
÷4
÷8
÷16
ICS889874
16-Lead VFQFN
3mm x 3mm x 0.95 package body
K Package
Top View
S1
V
REF_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
1

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Description IC clk buffer 1:2 2.5ghz 16vfqfn IC clk buffer 1:2 2.5ghz 16vfqfn
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