HD74LV74A Datasheet, PDF (9/16 Pages) Hitachi Semiconductor – Dual D-type Flip Flops with Preset and Clear

HD74LV74A
Switching Characteristics (cont)
• V_CC = 5.0 ± 0.5 V
Item
Maximum
clock
frequency
Symbol
t_max
Propagation t_PLH
delay time
t_PHL
Setup time
t_su
Hold time
t_h
Pulse width t_w
Ta = 25°C
Min Typ
130 180
90 140
— 5.0
— 5.6
— 6.6
— 7.2
5.0 —
3.0 —
0.5 —
5.0 —
5.0 —
Ta = –40 to 85°C
Max Min Max
— 110
—
Unit
MHz
— 75
—
7.7 1.0
9.0
ns
7.3 1.0
8.5
9.7 1.0
11.0
9.3 1.0
10.5
— 5.0
—
ns
— 3.0
—
— 0.5
—
ns
— 5.0
—
ns
— 5.0
—
Test Conditions
C_L = 15 pF
FROM
(Input)
TO
(Output)
C_L = 50 pF
C_L = 15 pF
C_L = 50 pF
PRE/CLR Q or Q
CLK
PRE/CLR Q or Q
CLK
Data
PRE or CLR inactive
PRE or CLR “L”
CLK “H” or “L”
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