HD74LV221A Просмотр технического описания (PDF) - Hitachi -> Renesas Electronics
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HD74LV221A Datasheet PDF : 19 Pages
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HD74LV221A
Switching Characteristics (cont)
• VCC = 3.3 ± 0.3 V
Ta = 25°C
Ta = –40 to 85°C
Item
Symbol Min Typ Max Min Max
Unit
Propa-
tPLH
gation
tPHL
delay time
— 9.9 20.6 1.0
24.0
ns
— 11.6 24.1 1.0
27.5
— 8.3 15.8 1.0
18.5
— 9.7 19.3 1.0
22.0
— 9.9 22.4 1.0
26.0
— 11.6 25.9 1.0
29.5
Pulse
tw
width
5.0 — — 5.0
—
ns
Output
twQ
pulse
width
— 150 240 —
300
ns
90 100 110 90
110
µs
0.9 1.0 1.1 0.9
1.1
ms
∆twQ
— ±1 — —
—
%
Test Conditions
CL = 15 pF
FROM
(Input)
A or B
CL = 50 pF
CL = 15 pF
CL = 50 pF
CL = 15 pF
CL = 50 pF
A, B or CLR
CLR
CLR
(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
TO
(Output)
Q or Q
Q or Q
Q or Q
7
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