HD74LV161A 查看數據表（PDF） - Hitachi -> Renesas Electronics
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HD74LV161A Datasheet PDF : 19 Pages
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HD74LV161A
Switching Characteristics (cont)
• VCC = 5.0 ± 0.5 V
Ta = 25°C
Item
Symbol Min Typ
Maximum
clock
frequency
fmax
135 185
95 125
Propa-
gation
tPLH/tPHL —
4.9
delay time
— 8.7
tPLH/tPHL —
4.9
Count — 6.4
mode
tPLH/tPHL —
6.2
Load
mode
— 7.7
tPLH/tPHL —
4.9
— 6.4
tPHL
— 5.5
— 7.0
tPHL
— 5.0
— 6.5
Setup time tsu
4.5 —
5.0 —
5.0 —
1.5 —
Hold time th
Pulse
tw
width
1.0 —
5.0 —
5.0 —
Ta = –40 to 85°C
Max Min Max
—
115
—
Unit
MHz
— 85
—
8.1 1.0
9.5
ns
10.1 1.0
11.5
8.1 1.0
9.5
10.1 1.0
20.0
10.3 1.0
12.0
12.3 1.0
14.0
8.1 1.0
9.5
10.1 1.0
11.5
9.0 1.0
10.5
11.0 1.0
12.5
8.6 1.0
10.0
10.6 1.0
12.0
— 4.5
—
ns
— 6.0
—
— 6.0
—
— 1.5
—
— 1.0
—
ns
— 5.0
—
ns
— 5.0
—
Test Conditions
CL = 15 pF
CL = 50 pF
CL = 15 pF
CL = 50 pF
CL = 15 pF
CL = 50 pF
CL = 15 pF
CL = 50 pF
CL = 15 pF
CL = 50 pF
CL = 15 pF
CL = 50 pF
CL = 15 pF
CL = 50 pF
FROM
(Input)
TO
(Output)
CLK
Q
CLK
Carry
CLK
Carry
ENT
Carry
CLR
Q
CLR
Carry
Data before CLK ↑
LOAD before CLK ↑
ENT, ENP before CLK
↑
CLR inactive before
CLK ↑
CLK H or L
CLR L
10
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