SN74LVC245A
OCTAL BUS TRANSCEIVER
WITH 3-STATE OUTPUTS
www.ti.com
SCAS218T–JANUARY 1993–REVISED FEBRUARY 2005
Electrical Characteristics
over recommended operating free-air temperature range (unless otherwise noted)
TA = 25°C
–40°C TO 85°C
PARAMETER
TEST CONDITIONS
IOH = –100 µA
VCC
UNIT
MIN TYP MAX
MIN MAX
1.65 V to 3.6 V
1.65 V
2.3 V
VCC – 0.2
VCC – 0.2
1.2
IOH = –4 mA
IOH = –8 mA
1.29
1.9
2.2
2.4
2.3
1.7
VOH
V
2.7 V
2.2
IOH = –12 mA
3 V
2.4
IOH = –24 mA
IOL = 100 µA
IOL = 4 mA
3 V
2.2
1.65 V to 3.6 V
1.65 V
2.3 V
0.1
0.24
0.3
0.4
0.55
±1
0.2
0.45
0.7
VOL
IOL = 8 mA
V
IOL = 12 mA
IOL = 24 mA
2.7 V
0.4
3 V
0.55
±5
II
Control inputs VI = 0 to 5.5 V
VI or VO = 5.5 V
3.6 V
µA
µA
µA
Ioff
0
±1
±10
±10
10
(1)
IOZ
VO = 0 to 5.5 V
3.6 V
±1
VI = VCC or GND
3.6 V ≤ VI ≤ 5.5 V(2)
1
ICC
IO = 0
3.6 V
µA
µA
1
10
One input at VCC – 0.6 V,
Other inputs at VCC or GND
∆ICC
2.7 V to 3.6 V
500
500
Ci
Control inputs VI = VCC or GND
3.3 V
3.3 V
4
pF
pF
Cio
A or B ports
VI = VCC or GND
5.5
(1) For I/O ports, the parameter IOZ includes the input leakage current.
(2) This applies in the disabled state only.
Switching Characteristics
over recommended operating free-air temperature range (unless otherwise noted) (see Figure 1)
TA = 25°C
TYP
6
–40°C TO 85°C
FROM
(INPUT)
TO
(OUTPUT)
PARAMETER
VCC
UNIT
MIN
1
MAX
12.2
7.8
7.1
6.1
14.8
10
MIN
1
MAX
12.7
8.3
7.3
6.3
15.3
10.5
9.5
8.5
17
1.8 V ± 0.15 V
2.5 V ± 0.2 V
2.7 V
1
3.9
4.2
3.8
7
1
tpd
A or B
B or A
A or B
A or B
ns
1
1
3.3 V ± 0.3 V
1.8 V ± 0.15 V
2.5 V ± 0.2 V
2.7 V
1.5
1
1.5
1
1
4.5
5.4
4.4
7.8
4
1
ten
OE
ns
1
9.3
8.3
16.5
9
1
3.3 V ± 0.3 V
1.8 V ± 0.15 V
2.5 V ± 0.2 V
2.7 V
1.5
1
1.5
1
1
1
9.5
8.5
7.5
1
tdis
OE
ns
ns
1
4.4
4.1
8.3
7.3
1
3.3 V ± 0.3 V
3.3 V ± 0.3 V
1.7
1.7
tsk(o)
5
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