Datasheet

SN74LVC2T45-EP
SCES777C –NOVEMBER 2008–REVISED JULY 2010 www.ti.com
Switching Characteristics
over recommended operating free-air temperature range, V
CCA
= 3.3 V ± 0.3 V (unless otherwise noted) (see Figure 2)
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
2.1 19.5 1.4 12 0.7 9.6 0.7 8.4
A B ns
t
PHL
2 16.6 1.3 11 0.8 9 0.7 8
t
PLH
1.7 12.3 1.3 10.4 0.7 9.8 0.6 9.4
B A ns
t
PHL
1.8 11.1 1.3 9.4 0.8 9 0.7 8.5
t
PHZ
5 14.9 5.1 14.8 5 14.8 5 14.4
DIR A ns
t
PLZ
3.4 12.4 3.7 12.4 3.9 12.1 3.3 11.8
t
PHZ
11.2 31.3 8 17.7 5.8 14.4 2.9 11.4
DIR B ns
t
PLZ
9.4 21.7 5.6 15.3 4.3 12.3 1 9.6
t
PZH
(1)
34 25.7 22.1 19
DIR A ns
t
PZL
(1)
42.4 27.1 23.4 19.9
t
PZH
(1)
31.9 24.4 21.9 20.2
DIR B ns
t
PZL
(1)
31.5 25.8 23.8 22.4
(1) The enable time is a calculated value, derived using the formula shown in the enable times section.
Switching Characteristics
over recommended operating free-air temperature range, V
CCA
= 5 V ± 0.5 V (unless otherwise noted) (see Figure 2)
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
1.9 19.1 1 11.5 0.6 9.4 0.5 7.9
A B ns
t
PHL
1.8 16.2 0.9 10.2 0.7 8.5 0.5 7.5
t
PLH
1.4 11.2 1 9.1 0.7 8.4 0.5 7.9
B A ns
t
PHL
1.7 11 0.9 8.6 0.7 8 0.5 7.5
t
PHZ
2.9 12.2 2.9 11.9 2.8 11.9 2.2 11.8
DIR A ns
t
PLZ
1.4 10.9 1.3 10.7 0.7 10.7 0.7 10.6
t
PHZ
11.2 30.1 7.2 17.9 5.8 14.1 1.3 11.3
DIR B ns
t
PLZ
8.4 20.9 5 15 4 11.7 1 9.6
t
PZH
(1)
32.1 24.1 20.1 18.5
DIR A ns
t
PZL
(1)
41.1 26.5 22.1 18.8
t
PZH
(1)
30 22.2 20.1 18.5
DIR B ns
t
PZL
(1)
28.4 22.1 22.4 19.3
(1) The enable time is a calculated value, derived using the formula shown in the enable times section.
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