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參數(shù)資料
| 型號： | ASM2I99448G-32-ET |
| 廠商： | ALLIANCE SEMICONDUCTOR CORP |
| 元件分類： | 時鐘及定時 |
| 英文描述： | 3.3V/2.5V LVCMOS 1:12 Clock Fanout Buffer |
| 中文描述： | 99448 SERIES, LOW SKEW CLOCK DRIVER, 12 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQFP32 |
| 封裝： | GREEN, TQFP-32 |
| 文件頁數(shù)： | 4/15頁 |
| 文件大?。?/td> | 594K |
| 代理商： | ASM2I99448G-32-ET |
May 2005
rev 0.3
ASM2I99448
3.3V/2.5V LVCMOS 1:12 Clock Fanout Buffer
Notice: The information in this document is subject to change without notice.
4 of
15
Table 4. GENERAL SPECIFICATIONS
Symbol
Characteristic
Min
Typ
Max
Unit
Condition
V
TT
MM
Output Termination Voltage
V
CC
÷2
V
ESD Protection (Machine Model)
200
V
HBM
ESD Protection (Human Body Model)
2000
V
LU
Latch–up Immunity
200
mA
C
PD
Power Dissipation Capacitance
10
pF
Per Output
C
IN
Input Capacitance
4.0
pF
Inputs
Table 5. DC CHARACTERISTICS
(V
CC
= 3.3V ± 5%, T
A
= –40°C to +85°C)
Symbol
Characteristic
Min
Typ
Max
Unit
Condition
V
IH
Input HIGH Voltage
2.0
V
CC
+ 0.3
V
LVCMOS
V
IL
Input LOW Voltage
–0.3
0.8
V
LVCMOS
V
PP
Peak–to–Peak Input Voltage
PCLK
250
mV
LVPECL
V
CMR
1
Common Mode Range
Input Current
2
PCLK
1.1
V
CC
– 0.6
V
LVPECL
II
N
300
μA
V
IN
= V
CC
or GND
I
OH
= –24mA
3
I
OL
= 24mA
3
I
OL
= 12mA
V
OH
Output HIGH Voltage
2.4
V
V
OL
Output LOW Voltage
0.55
0.30
V
V
Z
OUT
Output Impedance
17
I
CCQ
4
Maximum Quiescent Supply Current
2.0
mA
All V
CC
Pins
Note: 1. V
(DC) is the crosspoint of the differential input signal. Functional operation is obtained when the crosspoint is within the V
CMR
range and the input
swing lies within the V
PP
(DC) specification.
2. Input pull-up / pull-down resistors influence input current.
3. The ASM2I99448 is capable of driving 50
transmission lines on the incident edge. Each output drives one 50
parallel terminated transmission line to
a termination voltage of V
TT
. Alternatively, the device drives up to two 50
series terminated transmission lines (for V
CC
=3.3V) or one 50
series
terminated transmission line (for V
=2.5V).
4. I
CCQ
is the DC current consumption of the device with all outputs open and the input in its default state or open.
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| ASM2I99448G-32-LT | 3.3V/2.5V LVCMOS 1:12 Clock Fanout Buffer |
| ASM2I99448 | 3.3V/2.5V LVCMOS 1:12 Clock Fanout Buffer |
| ASM2I99448-32-ER | 3.3V/2.5V LVCMOS 1:12 Clock Fanout Buffer |
| ASM2I99448-32-ET | 3.3V/2.5V LVCMOS 1:12 Clock Fanout Buffer |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| ASM2I99448G-32-LR | 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:3.3V/2.5V LVCMOS 1:12 Clock Fanout Buffer |
| ASM2I99448G-32-LT | 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:3.3V/2.5V LVCMOS 1:12 Clock Fanout Buffer |
| ASM2I99456 | 制造商:PULSECORE 制造商全稱:PulseCore Semiconductor 功能描述:3.3V/2.5V LVCMOS Clock Fanout Buffer |
| ASM2I99456-32-ER | 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:3.3V/2.5V LVCMOS Clock Fanout Buffer |
| ASM2I99456-32-ET | 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:3.3V/2.5V LVCMOS Clock Fanout Buffer |
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