HD74LV163A Datasheet, PDF (10/19 Pages) Hitachi Semiconductor – Synchronous 4-bit Binary Counter (Synchronous Clear)

HD74LV163A
Switching Characteristics (cont)
• V_CC = 5.0 ± 0.5 V
Ta = 25°C
Ta = –40 to 85°C
Item
Symbol Min
Maximum t_max
135
clock
frequency
95
Propa-
gation
t_PLH/t_PHL —
delay time
—
t_PLH/t_PHL —
Count —
mode
t_PLH/t_PHL —
Load
—
mode
t_PLH/t_PHL —
—
Setup time t_su
4.5
5.0
5.0
Typ Max Min
185 — 115
125 — 85
4.9 8.1 1.0
8.7 10.1 1.0
4.9 8.1 1.0
6.4 10.1 1.0
6.2 10.3 1.0
7.7 12.3 1.0
4.9 8.1 1.0
6.4 10.1 1.0
— — 4.5
— — 6.0
— — 6.0
Max
—
—
9.5
11.5
9.5
20.0
12.0
14.0
9.5
11.5
—
—
—
Unit
MHz
Test Conditions
C_L = 15 pF
C_L = 50 pF
ns
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
ns
Hold time t_h
Pulse
t_w
width
3.5 — — 3.5
—
1.0 — — 1.0
—
ns
1.5 — — 1.5
—
5.0 — — 5.0
—
ns
FROM
(Input)
TO
(Output)
CLK
Q
CLK
Carry
CLK
Carry
ENT
Carry
Data before CLK ↑
LOAD before CLK ↑
ENT, ENP before
CLK ↑
CLR before CLK ↑
CLR after CLK ↑
CLK H or L
10