HD74LV393A Datasheet, PDF (8/15 Pages) Hitachi Semiconductor – Dual 4-bit Binary Counters

HD74LV393A
Switching Characteristics (cont)
• V_CC = 3.3 ± 0.3 V
Ta = 25°C
Ta = –40 to 85°C
Item
Symbol Min Typ Max Min
Maximum
clock
frequency
fmax
75 120 — 65
45 65 — 35
Propa-
gation
delay time
t_PLH/./t_PHL —
8.6 13.2 1.0
— 11.1 16.7 1.0
— 10.2 15.8 1.0
— 12.7 19.3 1.0
— 11.7 18.0 1.0
— 14.2 21.5 1.0
— 13.0 19.7 1.0
— 15.5 23.2 1.0
t_PHL
— 7.9 12.3 1.0
— 10.4 15.8 1.0
Setup time t_su
Pulse
t_w
width
5.0 — — 5.0
5.0 — — 5.0
5.0 — — 5.0
Max
—
—
15.5
19.0
18.5
22.0
21.0
24.5
23.0
26.5
14.5
18.0
—
—
—
Unit
MHz
ns
ns
ns
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 = 15 pF
C_L = 50 pF
C_L = 15 pF
C_L = 50 pF
C_L = 15 pF
C_L = 50 pF
FROM
(Input)
TO
(Output)
CLK
Q_A
Q_B
Q_C
Q_D
CLR
Q_n
CLR L before CLK ↓
CLR H
CLK H or L
8