Datasheet
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Switching Characteristics
Operating Characteristics
SN54LVC540A, SN74LVC540A
OCTAL BUFFERS/DRIVERS
WITH 3-STATE OUTPUTS
SCAS297M – JANUARY 1993 – REVISED MAY 2005
over recommended operating free-air temperature range (unless otherwise noted) (see Figure 1 )
SN74LVC540A
FROM TO V
CC
= 1.8 V V
CC
= 2.5 V V
CC
= 3.3 V
PARAMETER V
CC
= 2.7 V UNIT
(INPUT) (OUTPUT) ± 0.15 V ± 0.2 V ± 0.3 V
MIN MAX MIN MAX MIN MAX MIN MAX
t
pd
A Y 1 16.4 1 7.8 1 7.1 1.4 5.3 ns
t
en
OE Y 1 16.5 1 10.5 1 8 1.1 6.6 ns
t
dis
OE Y 1 15.9 1 9 1 8.2 1.8 7.4 ns
t
sk(o)
1 ns
T
A
= 25°C
V
CC
= 1.8 V V
CC
= 2.5 V V
CC
= 3.3 V
TEST
PARAMETER UNIT
CONDITIONS
TYP TYP TYP
Outputs enabled 63 56 31
Power dissipation capacitance per
C
pd
f = 10 MHz pF
buffer/driver
Outputs disabled 3 3 3
5