参数资料
型号: ICS8737AGT-11LF
厂商: INTEGRATED DEVICE TECHNOLOGY INC
元件分类: 时钟及定时
英文描述: LOW SKEW CLOCK DRIVER, 4 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PDSO20
封装: MO-153, TSSOP-20
文件页数: 1/7页
文件大小: 95K
代理商: ICS8737AGT-11LF
8737-11
www.icst.com/products/hiperclocks.html
REV. B MARCH 29, 2001
1
Integrated
Circuit
Systems, Inc.
ICS8737-11
LOW SKEW
÷÷÷÷÷1/÷÷÷÷÷2
3.3V LVPECL CLOCK GENERATOR
PRELIMINARY
GENERAL DESCRIPTION
The ICS8737-11 is very low skew, 3.3V LVPECL
Clock Generator/Divider and a member of the
HiPerClockS family of High Performance Clock
Solutions from ICS. The ICS8737-11 is designed
to translate any differential signal levels to 3.3V
LVPECL levels. The output enable is synchronous which elimi-
nates the runt clock pulses which occur during asynchro-
nous enabling and disabling of the outputs.
Guaranteed output and part-to-part skew characteristics
make the ICS8737-11 ideal for those clock distribution appli-
cations demanding well defined performance and repeatabil-
ity.
FEATURES
2 divide by 1 differential 3.3V LVPECL outputs;
2 divide by 2 differential 3.3V LVPECL outputs
Selectable differential HSTL and LVPECL clock inputs
LVCMOS / LVTTL control inputs
Translates any differential input signal (DCM, HSTL, LVDS,
SSTL) to LVPECL levels without external bias networks
Translates any single-ended input signal (LVCMOS, LVTTL,
GTL) to LVPECL levels with resistor bias on nCLK input
Translates any single-ended input signal (LVCMOS, LVTTL,
GTL) to inverted LVPECL levels with resistor bias on CLK
input
Output frequency up to 700MHz
75ps output skew
3.3V operating supply voltages
20 lead TSSOP
0°C to 70°C ambient operating temperature
BLOCK DIAGRAM
PIN ASSIGNMENT
ICS8737-11
20-Lead TSSOP
G Package
Top View
VEE
CLK_EN
CLK_SEL
HCLK
nHCLK
PCLK
nPCLK
nc
MR
VCC
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
QA0
nQA0
VCC
QA1
nQA1
QB0
nQB0
VCC
QB1
nQB1
HiPerClockS
,&6
QA0
nQA0
QA1
nQA1
÷1
÷2
nD
Q
LE
CLK_EN
HCLK
nHCLK
PCLK
nPCLK
MR
QB0
nQB0
QB1
nQB1
CLK_SEL
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.
0
1
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