參數(shù)資料
型號: HD74BC640A
廠商: Hitachi,Ltd.
英文描述: Octal Bus Transceivers With 3 State Outputs(三態(tài)輸出的八總線收發(fā)器)
中文描述: 八路總線收發(fā)器與三態(tài)輸出(三態(tài)輸出的八總線收發(fā)器)
文件頁數(shù): 7/9頁
文件大?。?/td> 44K
代理商: HD74BC640A
HD74BC640A
7
Waveforms-2
V – 0.3 V
V + 0.3 V
t
ZL
1.5 V
t
LZ
t
ZH
1.5 V
t
HZ
t
f
t
r
90 %
1.5 V
10 %
90 %
1.5 V
10 %
V
OH
V
OL
0 V
3.5 V
3 V
0 V
Waveform – A
Waveform – B
G
Notes: 1. t
r
= 2.5 ns, t
f
= 2.5 ns
2. Input waveforms: PRR = 1 MHz, duty cycle 50%
3. Waveform-A shows input conditions such that the output is “L” level when enable by the output
control.
4. Waveform-B shows input conditions such that the output is “H” level when enable by the output
control.
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