HD74LV166A Datasheet, PDF (9/16 Pages) Hitachi Semiconductor – Parallel-Load 8-bit Shift Register

HD74LV166A
Switching Characteristics (cont)
• V_CC = 3.3 ± 0.3 V
Ta = 25°C
Item
Symbol Min
Maximum fmax
65
clock
frequency
60
Propa-
gation
t_PLH/t_PHL —
delay time
—
t_PHL
—
—
Setup time t_su
5.0
5.0
5.0
5.0
Hold time t_h
0.0
0.0
0.0
Pulse
t_w
6.0
width
6.0
Typ Max
115 —
90 —
8.6 15.4
10.9 18.9
7.9 12.5
10.4 16.3
——
——
——
——
——
——
——
——
——
Ta = –40 to 85°C
Min
Max
55
—
50
—
1.0
18.0
1.0
21.5
1.0
15.0
1.0
18.5
5.0
—
6.0
—
6.0
—
6.0
—
0.0
—
0.0
—
0.0
—
7.0
—
7.0
—
Unit
MHz
ns
ns
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
FROM
(Input)
TO
(Output)
CLK
Q_H
CLR
CLK INH before CLK ↑
Data before CLK ↑
SH/LD high before CLK ↑
SER before CLK ↑
PAR data after SH/LD ↑
SER data after CLK ↑
SH/LD high after CLK ↑
CLR low
CLK H or L
9