HD74LV393A Datasheet, PDF (9/15 Pages) Hitachi Semiconductor – Dual 4-bit Binary Counters

HD74LV393A
Switching Characteristics (cont)
• V_CC = 5.0 ± 0.5 V
Ta = 25°C
Ta = –40 to 85°C
Item
Symbol Min Typ Max Min
Maximum
clock
frequency
fmax
125 170 — 105
85 115 — 75
Propa-
gation
t_PLH/./t_PHL —
5.8 8.5
1.0
delay time
— 7.3 10.5 1.0
— 6.8 9.8 1.0
— 8.3 11.8 1.0
— 7.7 11.2 1.0
— 9.2 13.2 1.0
— 8.5 12.5 1.0
— 10.0 14.5 1.0
t_PHL
— 5.4 8.1 1.0
— 6.9 10.1 1.0
Setup time t_su
Pulse
t_w
width
4.0 — — 4.0
5.0 — — 5.0
5.0 — — 5.0
Max
—
—
10.0
12.0
11.5
13.5
13.0
15.0
14.5
16.5
9.5
11.5
—
—
—
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
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