SN74HC21-Q1 Datasheet, PDF (3/8 Pages) Texas Instruments – DUAL 4-INPUT POSITIVE-AND GATE

SN74HC21ĆQ1
DUAL 4ĆINPUT POSITIVEĆAND GATE
SCLS597 − NOVEMBER 2004
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
VOH
VOL
II
ICC
Ci
VI = VIH or VIL
IOH = −20 µA
IOH = −4 mA
IOH = −5.2 mA
VI = VIH or VIL
VI = VCC or 0
VI = VCC or 0,
IOL = 20 µA
IOL = 4 mA
IOL = 5.2 mA
IO = 0
VCC
2V
4.5 V
6V
4.5 V
6V
2V
4.5 V
6V
4.5 V
6V
6V
6V
2 V to 6 V
TA = 25°C
MIN TYP
1.9 1.998
4.4 4.499
5.9 5.999
3.98 4.3
5.48 5.8
0.002
0.001
0.001
0.17
0.15
±0.1
3
MAX
0.1
0.1
0.1
0.26
0.26
±100
2
10
TA = −40°C
TO 125°C
MIN MAX
1.9
4.4
5.9
3.7
5.2
0.1
0.1
0.1
0.4
0.4
±1000
40
10
TA = −40°C
TO 85°C
MIN MAX
1.9
4.4
5.9
3.84
5.34
0.1
0.1
0.1
0.33
0.33
±1000
20
10
UNIT
V
V
nA
µA
pF
switching characteristics over recommended operating free-air temperature range, C_L = 50 pF
(unless otherwise noted) (see Figure 1)
PARAMETER
FROM
(INPUT)
tpd
A, B, C, or D
tt
TO
(OUTPUT)
Y
Y
VCC
2V
4.5 V
6V
2V
4.5 V
6V
TA = 25°C
MIN TYP MAX
44 110
14
22
11
19
29
75
10
15
8
13
TA = −40°C
TO 125°C
MIN MAX
165
33
28
110
22
19
TA = −40°C
TO 85°C
MIN MAX
140
28
24
95
19
16
UNIT
ns
ns
operating characteristics, T_A = 25°C
PARAMETER
Cpd Power dissipation capacitance per gate
TEST CONDITIONS
No load
TYP UNIT
25 pF
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