HD74LV174A Datasheet, PDF (8/15 Pages) Hitachi Semiconductor – Hex D-type Flip-Flops with Clear

HD74LV174A
Switching Characteristics (cont)
V_CC = 5.0 ± 0.5 V
Ta = 25°C
Ta = –40 to 85°C
Item
Maxi-
mum
clock
fre-
quency
Propa-
gation
delay
time
Setup
time
Symbol
fmax
t_PLH / t_PHL
t_PHL
t_SU
Min Typ
130 240
90 180
— 4.1
— 5.5
— 3.0
— 4.2
4.5 —
Max Min
— 110
— 80
7.2 1.0
9.2 1.0
7.6 1.0
9.6 1.0
— 4.5
2.5 — — 2.5
Max
—
—
8.5
10.5
9.0
11.0
—
—
Unit
MHz
Test Conditions
C_L = 15 pF
C_L = 50 pF
ns
C_L = 15 pF
C_L = 50 pF
C_L = 15 pF
C_L = 50 pF
ns
Hold
t_h
time
Pulse
t_W
width
0.5 — — 0.5
—
ns
5.0 — — 5.0
—
ns
5.0 — — 5.0
—
FROM
(Input)
TO
(Output)
CLK
Q
CLR
Data before CLK↑
CLR inactive before
CLK↑
Data after CLK↑
CLR L
CLK H or L
8