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Switching Characteristics
Switching Characteristics
SN74AVCH1T45
SINGLE-BIT DUAL-SUPPLY BUS TRANSCEIVER
WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUTPUTS
SCES598D – JULY 2004 – REVISED JANUARY 2008
over recommended operating free-air temperature range, V
CCA
= 2.5 V ± 0.2 V (see Figure 11 )
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 0.5 4.9 0.4 4.6 0.3 3.4 0.3 3
A B ns
t
PHL
2.6 0.5 4.9 0.4 4.6 0.3 3.4 0.3 3
t
PLH
2.2 0.4 4.2 0.3 3.8 0.2 3.4 0.2 3.3
B A ns
t
PHL
2.2 0.4 4.2 0.3 3.8 0.2 3.4 0.2 3.3
t
PHZ
2.8 0.3 3.8 0.8 3.8 0.4 3.8 0.5 3.8
DIR A ns
t
PLZ
2.8 0.3 3.8 0.8 3.8 0.4 3.8 0.5 3.8
t
PHZ
4.9 2 7.6 1.5 6.5 0.6 4.1 1 4
DIR B ns
t
PLZ
4.9 2 7.6 1.5 6.5 0.6 4.1 1 4
t
PZH
(1)
7.1 11.8 10.3 7.5 7.3
DIR A ns
t
PZL
(1)
7.1 11.8 10.3 7.5 7.3
t
PZH
(1)
5.4 8.6 8.1 7 6.6
DIR B ns
t
PZL
(1)
5.4 8.6 8.1 7 6.6
(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
= 3.3 V ± 0.3 V (see Figure 11 )
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 3.9
DIR B ns
t
PLZ
4 0.7 7.4 0.6 6.5 0.7 4 1.5 3.9
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.
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