參數(shù)資料
型號(hào): HD74HCT74A
廠商: Hitachi,Ltd.
英文描述: Octal D-Type Edge Triggered Flip-Flops with 3-State Outputs 20-CDIP -55 to 125
中文描述: 雙D型上升沿觸發(fā)的明確和預(yù)設(shè)字拖
文件頁(yè)數(shù): 7/10頁(yè)
文件大?。?/td> 57K
代理商: HD74HCT74A
HD74HCT74A
7
Input CLR
0 V
10 %
10 %
t
w
90 %
1.3 V
t
f
t
r
90 %
1.3 V
10 %
10 %
90 %
1.3 V
10 %
90 %
1.3 V
t (H)
Input PR
90 %
1.3 V
90 %
1.3 V
t (L)
t
w
10 %
t
r
90 %
1.3 V
10 %
90 %
1.3 V
t (H)
t (H)
t (L)
t (L)
t
PHL
t
PLH
V
OH
V
OL
t
PLH
t
PHL
t
PLH
t
PHL
t
PLH
t
PHL
V
OH
V
OL
Input CLK
Input D
Output Q
Output
Q
10 %
3 V
0 V
3 V
0 V
3 V
0 V
3 V
1.3 V
1.3 V
1.3 V
1.3 V
1.3 V
1.3 V
1.3 V
1.3 V
1.3 V
1.3 V
1.3 V
1.3 V
1.3 V
Waveform
Note: 1. Input waveform : PRR = 1 MHz, duty cycle 50%, t = 6 ns, t = 6 ns
t
f
t
r
t
f
t
r
t
f
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