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HD74HC21 Datasheet(PDF) 3 Page - Hitachi Semiconductor

No. de pieza HD74HC21
Descripción Electrónicos  Dual 4-input AND Gates
PDF  8 Pages
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Fabricante Electrónico  HITACHI [Hitachi Semiconductor]
Página de inicio  http://www.renesas.com/eng
Logo HITACHI - Hitachi Semiconductor

HD74HC21 Datasheet(HTML) 3 Page - Hitachi Semiconductor

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HD74HC21
3
AC Characteristics (C
L = 50 pF, Input tr = tf = 6 ns)
Ta = 25
°C
Ta = –40 to
+85
°C
Item
Symbol
V
CC (V)
Min Typ Max Min
Max
Unit
Test Conditions
Propagation delay t
PLH
2.0
—
—
100 —
125
ns
time
4.5
—
10
20
—
25
6.0
—
—
17
—
21
t
PHL
2.0
—
—
100 —
125
ns
4.5
—
12
20
—
25
6.0
—
—
17
—
21
Output rise time
t
TLH
2.0
—
—
75
—
95
ns
4.5
—
5
15
—
19
6.0
—
—
13
—
16
Output fall time
t
THL
2.0
—
—
75
—
95
ns
4.5
—
5
15
—
19
6.0
—
—
13
—
16
Input capacitance
Cin
—
—
5
10
—
10
pF



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