Datasheet

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ELECTRICAL CHARACTERISTICS
SWITCHING CHARACTERISTICS
OPERATING CHARACTERISTICS
SN74ALVC245
OCTAL BUS TRANSCEIVER
WITH 3-STATE OUTPUTS
SCES271D – APRIL 1999 – REVISED JULY 2004
over recommended operating free-air temperature range (unless otherwise noted)
PARAMETER TEST CONDITIONS V
CC
MIN TYP
(1)
MAX UNIT
I
OH
= -100 µA 1.65 V to 3.6 V V
CC
- 0.2
I
OH
= -4 mA 1.65 V 1.2
I
OH
= -6 mA 2.3 V 2
V
OH
2.3 V 1.7 V
I
OH
= -12 mA 2.7 V 2.2
3 V 2.4
I
OH
= -24 mA 3 V 2
I
OL
= 100 µA 1.65 V to 3.6 V 0.2
I
OL
= 4 mA 1.65 V 0.45
I
OL
= 6 mA 2.3 V 0.4
V
OL
V
2.3 V 0.7
I
OL
= 12 mA
2.7 V 0.4
I
OL
= 24 mA 3 V 0.55
I
I
V
I
= V
CC
or GND 3.6 V ±5 µA
I
OZ
(2)
V
O
= V
CC
or GND 3.6 V ±10 µA
I
CC
V
I
= V
CC
or GND, I
O
= 0 3.6 V 10 µA
∆I
CC
One input at V
CC
- 0.6 V, Other inputs at V
CC
or GND 3 V to 3.6 V 750 µA
C
i
Control inputs V
I
= V
CC
or GND 3.3 V 4.5 pF
C
io
A or B ports V
O
= V
CC
or GND 3.3 V 11.5 pF
(1) All typical values are at V
CC
= 3.3 V, T
A
= 25°C.
(2) For I/O ports, the parameter I
OZ
includes the input leakage current.
over recommended operating free-air temperature range (unless otherwise noted) (see Figure 1)
V
CC
= 1.8 V V
CC
= 2.5 V V
CC
= 3.3 V
V
CC
= 2.7 V
FROM TO
± 0.15 V ± 0.2 V ± 0.3 V
PARAMETER UNIT
(INPUT) (OUTPUT)
MIN MAX MIN MAX MIN MAX MIN MAX
t
pd
A or B B or A 1.5 6 1 3.5 3.6 1.3 3.4 ns
t
en
OE A or B 3.4 8.6 2 6 6.3 1.6 5.5 ns
t
dis
OE A or B 2.7 8 1 4.8 5.3 1.7 5.5 ns
T
A
= 25°C
V
CC
= 1.8 V V
CC
= 2.5 V V
CC
= 3.3 V
PARAMETER TEST CONDITIONS UNIT
TYP TYP TYP
Outputs enabled 25 27 30
Power dissipation
C
pd
C
L
= 0 pF, f = 10 MHz pF
capacitance per transceiver
Outputs disabled 0 0 0
4