HD74LV221AFPEL Просмотр технического описания (PDF) - Renesas Electronics
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HD74LV221AFPEL Datasheet PDF : 14 Pages
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HD74LV221A
Switching Characteristics (cont)
Item
Propagation
delay time
Pulse width
Output pulse
width
Symbol
tPLH
tPHL
tw
twQ
Ta = 25°C
Min Typ
— 7.3
— 8.7
— 6.2
— 7.4
— 7.3
— 8.6
5.0 —
— 140
90 100
Max
12.0
14.0
9.4
11.4
12.9
14.9
—
200
110
Ta = –40 to 85°C
Min
Max
1.0
14.0
1.0
16.0
1.0
11.0
1.0
13.0
1.0
15.0
1.0
17.0
5.0
—
—
240
90
110
0.9 1.0 1.1 0.9
1.1
∆twQ
— ±1 — —
—
Unit
ns
ns
ns
µs
ms
%
Test
Conditions
VCC = 5.0 ± 0.5 V
FROM TO
(Input) (Output)
CL = 15 pF
CL = 50 pF
CL = 15 pF
CL = 50 pF
CL = 15 pF
CL = 50 pF
A, B or CLR
A or B Q or Q
CLR
Q or Q
CLR
Q or Q
(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
Operating Characteristics
Item
Symbol
Power dissipation capacitance CPD
VCC (V)
3.3
5.0
Ta = 25°C
Min
Typ
—
74.0
—
86.0
Max
—
—
CL = 50 pF
Unit Test Conditions
pF
f = 10 MHz
Test Circuit
VCC
Input
VCC
Cext Rext
−+
Cext Rext/ VCC
Cext
A
Q
B
Cext = 28 pF or 100 pF or 0.01 µF or 0.1 µF
Rext = 1 kΩ or 2 kΩ or 10 kΩ
Output
CL = 15 pF or 50 pF
Q
CLR
GND
Output
CL = 15 pF or 50 pF
Note : CL includes the probe and jig capacitance.
Rev.6.00 Jun. 23, 2004 page 6 of 13
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