HD74LV4040A Datasheet, PDF (10/17 Pages) Hitachi Semiconductor – 12-stage Binary Counter

HD74LV4040A
Switching Characteristics (cont)
• V_CC = 5.0 ± 0.5 V
Ta = 25°C
Item
Symbol Min Typ
Maximum
f_max
clock
frequency
150 210
95
125
Propagation t_PLH/t_PHL —
4.8
delay time
—
6.3
t_PHL
—
5.6
—
7.1
Propagation ∆t_pd
delay time
skew
—
1.6
Setup time t_SU
5.0 —
Pulse width t_w
5.0 —
5.0 —
Max
—
—
7.3
9.3
8.6
10.6
3.1
—
—
—
Ta = –40 to 85°C
Min
Max
125
—
80
—
Unit
MHz
1.0
8.5
ns
1.0
10.5
1.0
10.0
1.0
12.0
—
3.5
ns
5.0
—
ns
5.0
—
ns
5.0
—
Test Conditions
C_L = 15 pF
C_L = 50 pF
C_L = 15 pF
C_L = 50 pF
C_L = 15 pF
C_L = 50 pF
C_L = 50 pF
FROM TO
(Input) (Output)
CLK
Q₁
CLR
Q_n
Q_n + 1
CLR inactive
before CLK ↓
CLK high or low
CLR high
10