參數(shù)資料
型號(hào): ICS8545AGLF
廠商: INTEGRATED DEVICE TECHNOLOGY INC
元件分類: 時(shí)鐘及定時(shí)
英文描述: LOW SKEW CLOCK DRIVER, 4 TRUE OUTPUT(S), 4 INVERTED OUTPUT(S), PDSO20
封裝: MO-153, TSSOP-20
文件頁數(shù): 1/7頁
文件大?。?/td> 90K
代理商: ICS8545AGLF
8545
www.icst.com/products/hiperclocks.html
REV. A FEBRUARY 23, 2001
1
Integrated
Circuit
Systems, Inc.
ICS8545
LOW SKEW, 1-TO-4
LVCMOS-TO-LVDS FANOUT BUFFER
PRELIMINARY
GENERAL DESCRIPTION
The ICS8545 is a low skew, high performance
1-to-4 clock fanout buffer and a member of
the HiPerClockS family of High Performance
Clock Solutions from ICS. Utilizing Low Voltage
Differential Signaling (LVDS) the ICS8545
provides a low power, low noise, solution for distributing
clock signals over controlled impedances of 100
. The
ICS8545 accepts a LVCMOS input level and translates it
to 3.3V LVDS output levels.
Guaranteed output and part-to-part skew characteristics
make the ICS8545 ideal for those applications demanding
well defined performance and repeatability.
FEATURES
4 LVDS outputs
Designed to meet or exceed the requirements of ANSI TIA/
EIA-644
Multiple LVCMOS clock inputs to support redundant or
selectable frequency fanout applications
Translates LVCMOS input signals to LVDS levels
LVCMOS / LVTTL control inputs
3.3V operating supply
20 lead TSSOP
0°C to 70°C ambient operating temperature
BLOCK DIAGRAM
PIN ASSIGNMENT
ICS8545
20-Lead TSSOP
G Package
Top View
VEE
CLK_EN
CLK_SEL
CLK1
nc
CLK2
nc
OE
VEE
VDD
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
Q0
nQ0
VDD
Q1
nQ1
Q2
nQ2
VEE
Q3
nQ3
OE
CLK1
CLK2
Q0
nQ0
Q1
nQ1
Q2
nQ2
Q3
nQ3
0
1
CLK_EN
CLK_SEL
nD
Q
LE
HiPerClockS
,&6
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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