HD74LV273A Datasheet, PDF (8/15 Pages) Hitachi Semiconductor – Octal D-type Flip-Flops with Clear

HD74LV273A
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_PHL
t_PLH / t_PHL
t_PHL
t_PLH / t_PHL
t_SU
Min Typ
120 205
80 160
— 4.7
— 4.8
— 6.0
— 6.2
4.5 —
Max Min
— 100
— 70
8.5 1.0
9.0 1.0
10.5 1.0
11.0 1.0
— 4.5
Hold
t_h
time
Pulse
t_W
width
2.0 — — 2.0
1.0 — — 1.0
5.0 — — 5.0
5.0 — — 5.0
Max
—
—
10.0
10.5
12.0
12.5
—
—
—
—
—
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
8