參數(shù)資料
型號: ICS85314AGI-01T
廠商: INTEGRATED DEVICE TECHNOLOGY INC
元件分類: 時鐘及定時
英文描述: LOW SKEW CLOCK DRIVER, 5 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PDSO20
封裝: 6.50 X 4.40 MM, 0.92 MM HEIGHT, TSSOP-20
文件頁數(shù): 1/15頁
文件大小: 138K
代理商: ICS85314AGI-01T
85314AGI-01
www.icst.com/products/hiperclocks.html
REV. B JULY 30, 2002
1
Integrated
Circuit
Systems, Inc.
ICS85314I-01
LOW SKEW, 1-TO-5
DIFFERENTIAL-TO-2.5V/3.3V LVPECL FANOUT BUFFER
PRELIMINARY
GENERAL DESCRIPTION
The ICS85314I-01 is a low skew, high performance
1-to-5 Differential-to-3.3V LVPECL fanout buffer
and a member of the HiPerClockS family of
High Performance Clock Solutions from ICS.
The ICS85314I-01 has two selectable clock inputs.
The CLK0, nCLK0 pair can accept most standard differential
input levels. The single-ended CLK1 can accept LVCMOS or
LVTTL input levels. The clock enable is internally synchronized
to eliminate runt clock pulses on the outputs during asynchro-
nous assertion/deassertion of the clock enable pin.
Guaranteed output and part-to-part skew characteristics make
the ICS85314I-01 ideal for those applications demanding well
defined performance and repeatability.
FEATURES
5 differential 2.5V/3.3V LVPECL outputs
Selectable differential CLK0, nCLK0 or LVCMOS inputs
CLK0, nCLK0 pair can accept the following differential
input levels: LVDS, LVPECL, LVHSTL, SSTL, HCSL
CLK1 can accept the following input levels:
LVCMOS or LVTTL
Maximum output frequency: 650MHz
Translates any single-ended input signal to 3.3V
LVPECL levels with resistor bias on nCLK input
Output skew: 50ps (maximum)
Part-to-part skew: 400ps (maximum)
Propagation delay: CLK0, nCLK0, 2.1ns (maximum)
CLK1, 2.1ns (maximum)
LVPECL mode operating voltage supply range:
V
CC = 2.375V to 3.8V, VEE = 0V
-40°C to 85°C ambient operating temperature
Compatible to part number MC100LVEL14
BLOCK DIAGRAM
PIN ASSIGNMENT
Q0
nQ0
Q1
nQ1
Q2
nQ2
Q3
nQ3
Q4
nQ4
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
VCC
nCLK_EN
VCC
nc
CLK1
CLK0
nCLK0
nc
CLK_SEL
VEE
HiPerClockS
,&6
ICS85314I-01
20-Lead TSSOP
6.5mm x 4.4mm x 0.92mm Package Body
G Package
Top View
ICS85314I-01
20-Lead SOIC
7.5mm x 12.8mm x 2.3mm Package Body
M Package
Top View
CLK0
nCLK0
CLK1
Q0
nQ0
Q1
nQ1
Q2
nQ2
Q3
nQ3
Q4
nQ4
0
1
nCLK_EN
CLK_SEL
D
Q
LE
0
1
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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