Datasheet
Switching Characteristics
Switching Characteristics
SN74LVC1T45
SCES515I – DECEMBER 2003 – REVISED MAY 2009 .....................................................................................................................................................
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over recommended operating free-air temperature range, V
CCA
= 1.8 V ± 0.15 V (see Figure 1 )
V
CCB
= 1.8 V V
CCB
= 2.5 V V
CCB
= 3.3 V V
CCB
= 5 V
FROM TO
± 0.15 V ± 0.2 V ± 0.3 V ± 0.5 V
PARAMETER UNIT
(INPUT) (OUTPUT)
MIN MAX MIN MAX MIN MAX MIN MAX
t
PLH
3 17.7 2.2 10.3 1.7 8.3 1.4 7.2
A B ns
t
PHL
2.8 14.3 2.2 8.5 1.8 7.1 1.7 7
t
PLH
3 17.7 2.3 16 2.1 15.5 1.9 15.1
B A ns
t
PHL
2.8 14.3 2.1 12.9 2 12.6 1.8 12.2
t
PHZ
5.2 19.4 4.8 18.5 4.7 18.4 5.1 17.1
DIR A ns
t
PLZ
2.3 10.5 2.1 10.5 2.4 10.7 3.1 10.9
t
PHZ
7.4 21.9 4.9 11.5 4.6 10.3 2.8 8.2
DIR B ns
t
PLZ
4.2 16 3.7 9.2 3.3 8.4 2.4 6.4
t
PZH
(1)
33.7 25.2 23.9 21.5
DIR A ns
t
PZL
(1)
36.2 24.4 22.9 20.4
t
PZH
(1)
28.2 20.8 19 18.1
DIR B ns
t
PZL
(1)
33.7 27 25.5 24.1
(1) The enable time is a calculated value, derived using the formula shown in the enable times section.
over recommended operating free-air temperature range, V
CCA
= 2.5 V ± 0.2 V (see Figure 1 )
V
CCB
= 1.8 V V
CCB
= 2.5 V V
CCB
= 3.3 V V
CCB
= 5 V
FROM TO
± 0.15 V ± 0.2 V ± 0.3 V ± 0.5 V
PARAMETER UNIT
(INPUT) (OUTPUT)
MIN MAX MIN MAX MIN MAX MIN MAX
t
PLH
2.3 16 1.5 8.5 1.3 6.4 1.1 5.1
A B ns
t
PHL
2.1 12.9 1.4 7.5 1.3 5.4 0.9 4.6
t
PLH
2.2 10.3 1.5 8.5 1.4 8 1 7.5
B A ns
t
PHL
2.2 8.5 1.4 7.5 1.3 7 0.9 6.2
t
PHZ
3 8.1 3.1 8.1 2.8 8.1 3.2 8.1
DIR A ns
t
PLZ
1.3 5.9 1.3 5.9 1.3 5.9 1 5.8
t
PHZ
6.5 23.7 4.1 11.4 3.9 10.2 2.4 7.1
DIR B ns
t
PLZ
3.9 18.9 3.2 9.6 2.8 8.4 1.8 5.3
t
PZH
(1)
29.2 18.1 16.4 12.8
DIR A ns
t
PZL
(1)
32.2 18.9 17.2 13.3
t
PZH
(1)
21.9 14.4 12.3 10.9
DIR B ns
t
PZL
(1)
21 15.6 13.5 12.7
(1) The enable time is a calculated value, derived using the formula shown in the enable times section.
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