HD74LV273A Datasheet, PDF (7/15 Pages) Hitachi Semiconductor – Octal D-type Flip-Flops with Clear

HD74LV273A
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_PHL
t_PLH / t_PHL
t_PHL
t_PLH / t_PHL
t_SU
Min Typ
75 140
50 110
— 6.9
— 7.1
— 8.7
— 9.1
5.5 —
Max Min
— 65
— 45
13.6 1.0
13.6 1.0
17.1 1.0
17.1 1.0
— 6.5
Hold
t_h
time
Pulse
t_W
width
2.5 — — 2.5
1.0 — — 1.0
5.0 — — 6.0
5.5 — — 6.5
Max
—
—
16.0
16.0
19.5
19.5
—
—
—
—
—
Unit
MHz
Test Conditions
C_L = 15 pF
C_L = 50 pF
ns
C_L = 15 pF
C_L = 50 pF
ns
ns
ns
FROM
(Input)
TO
(Output)
CLR
Q
CLK
Q
CLR
Q
CLK
Q
Data
CLR inactive
CLR L
CLK H or L
7