HD74LV123A 查看數據表（PDF） - Hitachi -> Renesas Electronics
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HD74LV123A Datasheet PDF : 20 Pages
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HD74LV123A
Switching Characteristics
• VCC = 2.5 ± 0.2 V
Ta = 25°C
Ta = –40 to 85°C
Item
Symbol Min Typ Max Min
Propa-
tPLH
gation
tPHL
delay time
— 13.5 31.4 1.0
— 16.0 36.0 1.0
— 11.0 25.0 1.0
— 13.0 32.8 1.0
— 14.0 33.4 1.0
— 16.0 38.0 1.0
Output
twQ
pulse
width
— 170 260 —
90 100 110 90
Max
37.0
42.0
29.5
34.5
39.0
44.0
320
110
Unit
ns
ns
µs
0.9 1.0 1.1 0.9
1.1
ms
∆twQ
— ±1 — —
—
%
Pulse
tw
width
6.0 — — 6.5
—
ns
Retrigger trr
time
— 40 — —
—
ns
— 1.5 — —
—
µs
Test Conditions
CL = 15 pF
FROM
(Input)
A or B
CL = 50 pF
CL = 15 pF
CLR
CL = 50 pF
CL = 15 pF
CLR
CL = 50 pF
(Trigger)
CL = 50 pF,
Cext = 28 pF, Rext = 2 kΩ
CL = 50 pF,
Cext = 0.01 µF, Rext = 10 kΩ
CL = 50 pF,
Cext = 0.1 µF, Rext = 10 kΩ
CL = 50 pF
A, B or CLR
A, or B
(Rext = 1 kΩ, Cext = 100 pF)
A, or B
(Rext = 1 kΩ, Cext = 0.01 µF)
TO
(Output)
Q or Q
Q or Q
Q or Q
7
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