Datasheet
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Switching Characteristics
Operating Characteristics
SN74AVC1T45
SINGLE-BIT DUAL-SUPPLY BUS TRANSCEIVER
WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUTPUTS
SCES530G – DECEMBER 2003 – REVISED JANUARY 2008
over recommended operating free-air temperature range, V
CCA
= 3.3 V ± 0.3 V (see Figure 1 )
V
CCB
= 1.5 V V
CCB
= 1.8 V V
CCB
= 2.5 V V
CCB
= 3.3 V
V
CCB
= 1.2 V
FROM TO
± 0.1 V ± 0.15 V ± 0.2 V ± 0.3 V
PARAMETER UNIT
(INPUT) (OUTPUT)
TYP MIN MAX MIN MAX MIN MAX MIN MAX
t
PLH
2.6 0.4 4.7 0.3 4.4 0.2 3.3 0.2 2.8
A B ns
t
PHL
2.6 0.4 4.7 0.3 4.4 0.2 3.3 0.2 2.8
t
PLH
2.2 0.4 3.8 0.3 3.4 0.2 3 0.1 2.8
B A ns
t
PHL
2.2 0.4 3.8 0.3 3.4 0.2 3 0.1 2.8
t
PHZ
3.1 1.3 4.3 1.3 4.3 1.3 4.3 1.3 4.3
DIR A ns
t
PLZ
3.1 1.3 4.3 1.3 4.3 1.3 4.3 1.3 4.3
t
PHZ
4 0.7 7.4 0.6 6.5 0.7 4 1.5 4.9
DIR B ns
t
PLZ
4 0.7 7.4 0.6 6.5 0.7 4 1.5 4.9
t
PZH
(1)
6.2 11.2 9.9 7 6.7
DIR A ns
t
PZL
(1)
6.2 11.2 9.9 7 6.7
t
PZH
(1)
5.7 8.9 8.5 7.2 6.8
DIR B ns
t
PZL
(1)
5.7 8.9 8.5 7.2 6.8
(1) The enable time is a calculated value, derived using the formula shown in the enable times section.
T
A
= 25 ° C
V
CCA
= V
CCA
= V
CCA
= V
CCA
= V
CCA
=
TEST
V
CCB
= 1.2 V V
CCB
= 1.5 V V
CCB
= 1.8 V V
CCB
= 2.5 V V
CCB
= 3.3 V
PARAMETER UNIT
CONDITIONS
TYP TYP TYP TYP TYP
A-port input,
3 3 3 3 4
C
L
= 0 pF,
B-port output
C
pdA
(1)
f = 10 MHz, pF
B-port input,
t
r
= t
f
= 1 ns
13 13 14 15 15
A-port output
A-port input,
13 13 14 15 15
C
L
= 0 pF,
B-port output
C
pdB
(1)
f = 10 MHz, pF
B-port input,
t
r
= t
f
= 1 ns
3 3 3 3 3
A-port output
(1) Power dissipation capacitance per transceiver
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