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Switching Characteristics
Operating Characteristics
SN74AVC8T245
8-BIT DUAL-SUPPLY BUS TRANSCEIVER
WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUTPUTS
SCES517H – DECEMBER 2003 – REVISED FEBRUARY 2007
over recommended operating free-air temperature range, V
CCA
= 3.3 V ± 0.3 V (see Figure 10 )
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
2.3 0.5 4.5 0.5 3.7 0.5 2.9 0.5 2.5
A B ns
t
PHL
2.3 0.5 4.5 0.5 3.3 0.5 2.9 0.5 2.5
t
PLH
3.5 0.5 6.8 0.5 3.9 0.5 2.8 0.5 2.5
B A ns
t
PHL
3.5 0.5 6.8 0.5 3.9 0.5 2.8 0.5 2.5
t
PZH
2 0.5 4 0.5 4 0.5 4 0.5 4
OE A ns
t
PZL
2 0.5 4 0.5 4 0.5 4 0.5 4
t
PZH
4.5 1.1 7.8 0.5 6.2 0.5 4.5 0.5 3.9
OE B ns
t
PZL
4.5 1.1 7.8 0.5 6.2 0.5 4.5 0.5 3.9
t
PHZ
1.7 0.5 4 0.5 4 0.5 4 0.5 4
OE A ns
t
PLZ
1.7 0.5 4 0.5 4 0.5 4 0.5 4
t
PHZ
3.4 0.5 6.9 0.5 6 0.5 4.8 0.5 4.2
OE B ns
t
PLZ
3.4 0.5 6.9 0.5 6 0.5 4.8 0.5 4.2
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
Outputs
1 1 1 1 1
enabled
A to B
Outputs
1 1 1 1 1
C
L
= 0,
disabled
C
pdA
(1)
f = 10 MHz, pF
Outputs
t
r
= t
f
= 1 ns
12 12 12 13 14
enabled
B to A
Outputs
1 1 1 1 1
disabled
Outputs
12 12 12 13 14
enabled
A to B
Outputs
1 1 1 1 1
C
L
= 0,
disabled
C
pdB
(1)
f = 10 MHz, pF
Outputs
t
r
= t
f
= 1 ns
1 1 1 1 1
enabled
B to A
Outputs
1 1 1 1 1
disabled
(1) Power dissipation capacitance per transceiver
Table 1. Typical Total Static Power Consumption (I
CCA
+ I
CCB
)
V
CCA
V
CCB
UNIT
0 V 1.2 V 1.5 V 1.8 V 2.5 V 3.3 V
0 V 0 <0.5 <0.5 <0.5 <0.5 <0.5
1.2 V <0.5 <1 <1 <1 <1 1
1.5 V <0.5 <1 <1 <1 <1 1
µ A
1.8 V <0.5 <1 <1 <1 <1 <1
2.5 V <0.5 1 <1 <1 <1 <1
3.3 V <0.5 1 <1 <1 <1 <1
8
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