HD74LV273A Datasheet, PDF (6/15 Pages) Hitachi Semiconductor – Octal D-type Flip-Flops with Clear

HD74LV273A
Switching Characteristics
• V_CC = 2.5 ± 0.2 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 Max Min
55 95 — 45
45 75 — 40
— 10.3 19.0 1.0
— 10.4 18.3 1.0
— 13.1 22.8 1.0
— 12.9 22.1 1.0
8.5 — — 10.5
Hold
t_h
time
Pulse
t_W
width
4.0 — — 4.0
0.5 — — 1.0
6.5 — — 7.0
7.0 — — 8.5
Max
—
—
21.0
20.5
25.5
25.0
—
—
—
—
—
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
6