參數(shù)資料
型號: HD74BC244A
廠商: Hitachi,Ltd.
英文描述: Octal Buffers/Line Drivers With 3 State Outputs(三態(tài)輸出的八緩沖器/線驅(qū)動器)
中文描述: 八路緩沖器/線路驅(qū)動器,三態(tài)輸出(三態(tài)輸出的八緩沖器/線驅(qū)動器)
文件頁數(shù): 6/8頁
文件大小: 38K
代理商: HD74BC244A
HD74BC244A
6
Waveforms-1
V
OH
V
OL
1.5 V
Input A
Output Y
3 V
0 V
1.5 V
90%
1.5 V
10%
10%
1.5 V
90%
t
PLH
t
PHL
t
f
t
r
Notes:
1.
2.
t
r
= 2.5 ns, t
f
= 2.5 ns
Input waveform: PRR =1 MHz, duty cycle 50%
Waveforms-2
0 V
3 V
1.5 V
0 V
1.5 V
1.5 V
1.5 V
t
ZL
t
ZH
t
LZ
t
HZ
OL
V
+ 0.3 V
OH
V
– 0.3 V
3.5 V
V
OL
V
OH
Input
G
Waveform–A
Waveform–B
t
f
t
r
10%
90%
90%
10%
Notes:
1.
2.
3.
t
r
= 2.5 ns, t
f
= 2.5 ns
Input waveform: PRR = 1 MHz, duty cycle 50%
Waveform-A shows input conditions such that the output is “L” level when enable by the
output control.
Waveform-B shows input conditions such that the output is “H” level when enable by the
output control.
4.
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