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參數(shù)資料
| 型號(hào)： | HD74LVC2244AFPEL-E |
| 元件分類： | 總線收發(fā)器 |
| 英文描述： | LVC/LCX/Z SERIES, DUAL 4-BIT DRIVER, TRUE OUTPUT, PDSO20 |
| 封裝： | SOP-20 |
| 文件頁(yè)數(shù)： | 7/10頁(yè) |
| 文件大小： | 112K |
| 代理商： | HD74LVC2244AFPEL-E |
HD74LVC2244A
Rev.3.00 Aug. 20, 2004 page 7 of 9
Waveforms
(V
CC
= 1.8±0.15 V, V
CC
= 2.5±0.2 V)
t
PLH
t
PHL
V
OH
V
OH
V
OL
V
OL
GND
V
CC
10 %
90 %
50% V
CC
Input A
Waveform – A
Waveform – B
Output Y
10 %
90 %
50% V
CC
Waveforms – 1
Waveforms – 2
t
r
50% V
CC
50% V
CC
50% V
CC
50% V
CC
50% V
CC
10 %
50% V
CC
t
f
t
r
t
f
t
ZL
GND
V
CC
t
LZ
t
ZH
t
HZ
10 %
90 %
90 %
Input
G
V – 0.15 V
V + 0.15 V
Notes: 1. Input waveform : PRR = 10 MHz, duty cycle 50%, t = 2.0 ns, t = 2.0 ns
2. Waveform – A shows input conditions such that the output is "L" level
when enabled by the output control.
3. Waveform – B shows input conditions such that the output is "H" level
when enabled by the output control.
≈
V
CC
≈
GND
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