HD74LV174A Datasheet, PDF (7/15 Pages) Hitachi Semiconductor – Hex D-type Flip-Flops with Clear

HD74LV174A
Switching Characteristics (cont)
V_CC = 3.3 ± 0.3 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
95 170
55 130
— 5.8
— 7.5
— 4.5
— 6.0
5.0 —
Max Min
— 50
— 40
11.0 1.0
14.5 1.0
11.4 1.0
14.9 1.0
— 6.0
3.0 — — 3.0
Max
—
—
13.0
16.5
13.5
17.0
—
—
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
0.0 — — 0.0
—
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
7