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Switching Characteristics
Switching Characteristics
SN74AVCH4T245
4-BIT DUAL-SUPPLY BUS TRANSCEIVER
WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUTPUTS
SCES577D – JUNE 2004 – REVISED JUNE 2007
over recommended operating free-air temperature range, V
CCA
= 2.5 V ± 0.2 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
2.8 0.1 5.7 0.1 4.6 0.2 3.5 0.1 3.6
A B ns
t
PHL
2.8 0.1 5.7 0.1 4.6 0.2 3.5 0.1 3.6
t
PLH
2.7 0.6 4.2 0.4 3.9 0.2 3.4 0.2 3.3
B A ns
t
PHL
2.7 0.6 4.2 0.4 3.9 0.2 3.4 0.2 3.3
t
PZH
4 0.7 6.5 0.7 5.2 0.6 4.8 0.4 4.8
OE A ns
t
PZL
4 0.7 6.5 0.7 5.2 0.6 4.8 0.4 4.8
t
PZH
3.8 0.9 8.8 0.8 7 0.6 4.8 0.6 4
OE B ns
t
PZL
3.8 0.9 8.8 0.8 7 0.6 4.8 0.6 4
t
PHZ
4.7 1 8.4 1 8.4 1 6.2 1 6.6
OE A ns
t
PLZ
4.7 1 8.4 1 8.4 1 6.2 1 6.6
t
PHZ
4.5 1.5 9.4 1.3 8.2 1.1 6.2 0.9 5.2
OE B ns
t
PLZ
4.5 1.5 8.8 1.3 8.2 1.1 6.2 0.9 5.2
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
2.9 0.1 5.6 0.1 4.5 0.1 3.3 0.1 2.9
A B ns
t
PHL
2.9 0.1 5.6 0.1 4.5 0.1 3.3 0.1 2.9
t
PLH
2.6 0.6 4.2 0.4 3.4 0.2 3 0.1 2.8
B A ns
t
PHL
2.6 0.6 4.2 0.4 3.4 0.2 3 0.1 2.8
t
PZH
3.8 0.6 8.7 0.6 5.2 0.6 3.8 0.4 3.8
OE A ns
t
PZL
3.8 0.6 8.7 0.6 5.2 0.6 3.8 0.4 3.8
t
PZH
3.7 0.8 8.7 0.6 6.8 0.5 4.7 0.5 3.8
OE B ns
t
PZL
3.7 0.8 8.7 0.6 6.8 0.5 4.7 0.5 3.8
t
PHZ
4.8 0.7 9.3 0.7 8.3 0.7 5.6 0.7 6.6
OE A ns
t
PLZ
4.8 0.7 9.3 0.7 8.3 0.7 5.6 0.7 6.6
t
PHZ
5.3 1.4 9.3 1.2 8.1 1 6.4 0.8 6.2
OE B ns
t
PLZ
5.3 1.4 9.3 1.2 8.1 1 6.4 0.8 6.2
8
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