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參數(shù)資料
| 型號(hào)： | ICS889874AKT |
| 元件分類： | 時(shí)鐘及定時(shí) |
| 英文描述： | 889874 SERIES, LOW SKEW CLOCK DRIVER, 2 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), QCC16 |
| 封裝： | 3 X 3 MM, 0.95 MM HEIGHT, MO-220, VFQFN-16 |
| 文件頁數(shù)： | 1/14頁 |
| 文件大?。?/td> | 331K |
| 代理商： | ICS889874AKT |
889874AK
www.icst.com/products/hiperclocks.html
REV. A MARCH 20, 2006
1
Integrated
Circuit
Systems, Inc.
ICS889874
1:2
DIFFERENTIAL-TO-LVPECL BUFFER/DIVIDER
PRELIMINARY
GENERAL DESCRIPTION
The ICS889874 is a high speed 1:2 Differential-
to-LVPECL Buffer/Divider and is a member of
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.
FEATURES
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
BLOCK DIAGRAM
PIN ASSIGNMENT
HiPerClockS
ICS
Q0
nQ0
Q1
nQ1
S2
nRESET
IN
V
T
nIN
S0
S1
V
REF_AC
ICS889874
16-Lead VFQFN
3mm x 3mm x 0.95 package body
K Package
Top View
Q0
nQ0
Q1
nQ1
IN
VT
VREF_AC
nIN
S2
nc
V
CC
nRESET
S0
S1
V
CC
V
EE
Enable
MUX
Enable
FF
Decoder
00 ÷2
01 ÷4
10 ÷8
11 ÷16
0
1
2
3
4
12
11
10
9
5
6
7
8
16 15 14 13
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.
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