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SN74LVC244A
OCTAL BUFFER/DRIVER
WITH 3-STATE OUTPUTS
SCAS414X – NOVEMBER 1992 – REVISED MARCH 2005
Electrical Characteristics
over recommended operating free-air temperature range (unless otherwise noted)
PARAMETER
TEST CONDITIONS
I
OH
= –100
µA
I
OH
= –4 mA
V
OH
I
OH
= –8 mA
I
OH
= –12 mA
I
OH
= –24 mA
I
OL
= 100
µA
I
OL
= 4 mA
V
OL
I
OL
= 8 mA
I
OL
= 12 mA
I
OL
= 24 mA
I
I
I
off
I
OZ
I
CC
∆I
CC
C
i
C
o
(1)
V
I
= 5.5 V or GND
V
I
or V
O
= 5.5 V
V
O
= 0 to 5.5 V
V
I
= V
CC
or GND
3.6 V
≤
V
I
≤
5.5 V
(1)
I
O
= 0
V
CC
1.65 V to 3.6 V
1.65 V
2.3 V
2.7 V
3V
3V
1.65 V to 3.6 V
1.65 V
2.3 V
2.7 V
3V
3.6 V
0
3.6 V
3.6 V
2.7 V to 3.6 V
3.3 V
3.3 V
4
5.5
T
A
= 25°C
MIN
V
CC
–
0.2
1.29
1.9
2.2
2.4
2.3
0.1
0.24
0.3
0.4
0.55
±1
±1
±1
1
1
500
TYP MAX
–40 TO 85°C
MIN
V
CC
–
0.2
1.2
1.7
2.2
2.4
2.2
0.2
0.45
0.7
0.4
0.55
±5
±10
±10
10
10
500
MAX
–40 TO 125°C
MIN
V
CC
–
0.3
1.05
1.55
2.05
2.25
2
0.3
0.6
0.75
0.6
0.8
±20
±20
±20
40
40
5000
µA
µA
µA
µA
µA
pF
pF
V
V
MAX
UNIT
One input at V
CC
– 0.6 V,
Other inputs at V
CC
or GND
V
I
= V
CC
or GND
V
O
= V
CC
or GND
This applies in the disabled state only.
Switching Characteristics
over recommended operating free-air temperature range (unless otherwise noted) (see Figure 1)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
V
CC
1.5 V
1.8 V ± 0.15 V
t
pd
A
Y
2.5 V ± 0.2 V
2.7 V
3.3 V ± 0.3 V
1.5 V
1.8 V ± 0.15 V
t
en
OE
Y
2.5 V ± 0.2 V
2.7 V
3.3 V ± 0.3 V
1.5 V
1.8 V ± 0.15 V
t
dis
OE
Y
2.5 V ± 0.2 V
2.7 V
3.3 V ± 0.3 V
t
sk(o)
3.3 V ± 0.3 V
T
A
= 25°C
MIN
1
1
1
1
1.5
1
1
1
1
1.5
1
1
1
1
1.5
TYP
7
5.9
4.2
4.2
3.9
8.3
6.4
4.6
5
4.5
7.2
5.8
3.7
3.8
3.8
MAX
14.4
10.4
7.4
6.7
5.7
17.8
12.1
9.1
8.4
7.4
15.6
11.6
7.3
6.6
6.3
–40 TO 85°C
MIN
1
1
1
1
1.5
1
1
1
1
1.5
1
1
1
1
1.5
MAX
14.9
10.9
7.9
6.9
5.9
18.3
12.6
9.6
8.6
7.6
16.1
12.1
7.8
6.8
6.5
1
–40 TO 125°C
MIN
1
1
1
1
1.5
1
1
1
1
1.5
1
1
1
1
1.5
MAX
16.4
12.4
10
8.2
7.2
19.8
14.1
11.7
10.3
9.4
17.6
13.6
9.9
8.6
8
1.5
ns
ns
ns
ns
UNIT
5
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