參數(shù)資料
型號: ICS873039AMT
廠商: INTEGRATED DEVICE TECHNOLOGY INC
元件分類: 時鐘及定時
英文描述: LOW SKEW CLOCK DRIVER, 4 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PDSO20
封裝: 7.50 X 12.80 MM, 2.25 MM HEIGHT, MS-013, MO-119, SOIC-20
文件頁數(shù): 1/15頁
文件大小: 215K
代理商: ICS873039AMT
873039AM
www.icst.com/products/hiperclocks.html
REV. A MAY 3, 2004
1
Integrated
Circuit
Systems, Inc.
ICS873039
LOW SKEW,
÷2/4,÷4/6,
LVPECL-TO-3.3V LVPECL / ECL CLOCK GENERATOR
PRELIMINARY
GENERAL DESCRIPTION
The ICS873039 is a low skew, high performance
LVPECL-to-3.3V LVPECL / ECL Clock Genera-
tor/Divider and a member of the HiPerClockS
family of High Performance Clock Solutions from
ICS. The ICS873039 has one LVPECL differen-
tial clock input pair. The PCLK, nPCLK pair can accept
LVPECL, LVDS, CML, SSTL input levels. The clock enable is
internally synchronized to eliminate runt pulses on the
outputs during asynchronous assertion/deassertion of the
clock enable pin.
Guaranteed output and part-to-part skew characteristics
make the ICS873039 ideal for clock distribution applications
demanding well defined performance and repeatability.
FEATURES
2 divide by 2/4 differential 3.3V LVPECL outputs;
2 divide by 4/6 differential 3.3V LVPECL outputs
1 differential PCLK, nPCLK input pair
PCLK, nPCLK pair can accept the following differential
input levels: LVPECL, LVDS, CML, SSTL
Maximum input frequency: 3.2GHz
Translates any single ended input signal (LVCMOS, LVTTL,
GTL) to LVPECL levels with resistor bias on nPCLK input
Output skew: 20ps (typical)
Part-to-part skew: 85ps (typical)
Propagation delay: 690ps (typical)
LVPECL mode operating voltage supply range:
V
CC = 2.375V to 3.8V, VEE = 0V
ECL mode operating voltage supply range:
V
CC = 0V, VEE = -3.8V to -2.375V
-40°C to 85°C ambient operating temperature
Compatible with MC100LVEL39
BLOCK DIAGRAM
PIN ASSIGNMENT
ICS873039
20-Lead SOIC, 300MIL
M Package
7.5mm x 12.8mm x 2.25 package body
Top View
HiPerClockS
ICS
QA0
nQA0
QA1
nQA1
DIV_SELA
PCLK
nPCLK
nEN
MR
DIV_SELB
V
BB
QB2
nQB2
QB3
nQB3
÷2, ÷4
R
÷4, ÷6
VCC
nEN
DIV_SELB
PCLK
nPCLK
VBB
MR
VCC
nc
DIV_SELA
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
VCC
QA0
nQA0
QA1
nQA1
QB2
nQB2
QB3
nQB3
VEE
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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