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參數(shù)資料
| 型號： | ASM2I9940LG-32-LT |
| 廠商： | ALLIANCE SEMICONDUCTOR CORP |
| 元件分類： | 時鐘及定時 |
| 英文描述： | Low Voltage 1:18 Clock Distribution Chip |
| 中文描述： | 9940 SERIES, LOW SKEW CLOCK DRIVER, 18 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQFP32 |
| 封裝： | 7 X 7 MM, 0.80 MM PITCH, GREEN, LQFP-32 |
| 文件頁數(shù)： | 5/13頁 |
| 文件大?。?/td> | 223K |
| 代理商： | ASM2I9940LG-32-LT |
June 2005
rev 1.0
ASM2I9940L
Low Voltage 1:18 Clock Distribution Chip
5 of
13
Notice: The information in this document is subject to change without notice.
Table 7. DC Characteristics
(T
A
= 0° to 70°C, V
CCI
= 3.3V ± 5%, V
CCO
= 2.5V ± 5%)
Symbol
V
IH
V
IL
Characteristic
Min
2.4
Typ
Max
V
CCI
0.8
Unit
V
V
Condition
Input HIGH Voltage
Input LOW Voltage
Peak–to–Peak Input
Voltage
Common Mode Range
Output HIGH Voltage
Output LOW Voltage
Input Current
Input Capacitance
Power Dissipation Capacitance
Output Impedance
Maximum Quiescent Supply Current
CMOS_CLK
CMOS_CLK
V
PP
PECL_CLK
500
1000
mV
V
CMR
V
OH
V
OL
I
IN
C
IN
C
pd
Z
OUT
I
CC
PECL_CLK
V
CC
–1.4
1.8
V
CC
–0.6
0.5
±200
1.0
V
V
V
μA
pF
pF
mA
I
OH
= –20mA
I
OH
= 20mA
per output
4.0
10
23
0.5
Table 8. AC Characteristics
(T
A
= 0° to 70°C, V
CCI
= 3.3V ± 5%, V
CCO
= 2.5V ± 5% )
Symbol
F
max
Characteristic
Min
Typ
2.8
2.5
2.9
2.5
Max
250
3.5
3.0
3.8
3.3
Unit
MHz
Condition
Maximum Input Frequency
t
PLH
Propagation Delay
PECL_CLK < 150MHz
CMOS_CLK < 150MHz
PECL_CLK > 150MHz
CMOS_CLK > 150MHz
2.0
1.7
2.0
1.8
nS
Note
1
.
t
PLH
Propagation Delay
nS
t
sk(o)
Output-to-output Skew
PECL_CLK
CMOS_CLK
150
150
pS
Note
1
t
sk(pp)
Part–to–Part Skew
PECL_CLK < 150MHz
CMOS_CLK < 150MHz
PECL_CLK > 150MHz
CMOS_CLK > 150MHz
1.5
1.3
1.8
1.5
850
750
55
60
1.2
nS
Notes
1,2
t
sk(pp)
Part–to–Part Skew
nS
Notes
1,2
t
sk(pp)
Part–to–Part Skew
PECL_CLK CMOS_CLK
pS
Notes
1,3
DC
Output Duty Cycle
f
CLK
< 134 MHz
f
CLK
<250 MHz
45
40
0.3
50
50
%
%
nS
Input DC = 50%
Input DC = 50%
0.5 – 1.8 V
t
r
, t
f
Output Rise/Fall Time
Note: 1.Tested using standard input levels, Production tested @ 150MHz.
2. Across temperature and voltage ranges, includes output skew.
3. For a specific temperature and voltage, includes output skew.
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| ASM2I9942CG-32-LR | Low Voltage 1:18 Clock Distribution Chip |
| ASM2I9942CG-32-LT | Low Voltage 1:18 Clock Distribution Chip |
| ASM2I9942C | Low Voltage 1:18 Clock Distribution Chip |
相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| ASM2I9942C | 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:Low Voltage 1:18 Clock Distribution Chip |
| ASM2I9942C-32-ER | 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:Low Voltage 1:18 Clock Distribution Chip |
| ASM2I9942C-32-ET | 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:Low Voltage 1:18 Clock Distribution Chip |
| ASM2I9942C-32-LR | 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:Low Voltage 1:18 Clock Distribution Chip |
| ASM2I9942C-32-LT | 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:Low Voltage 1:18 Clock Distribution Chip |
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