SN74AVC2T45-Q1 Datasheet, PDF (8/21 Pages) Texas Instruments – DUAL-BIT DUAL-SUPPLY BUS TRANSCEIVER WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUTPUTS

SN74AVC2T45-Q1
SCES813 – JUNE 2010
www.ti.com
SWITCHING CHARACTERISTICS
over recommended operating free-air temperature range, V_CCA = 3.3 V ± 0.3 V (see Figure 1)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
V_CCB = 1.2 V
TYP
V_CCB = 1.5 V
± 0.1 V
MIN MAX
V_CCB = 1.8 V
± 0.15 V
MIN MAX
V_CCB = 2.5 V
± 0.2 V
MIN MAX
t_PLH
A
B
t_PHL
t_PLH
B
A
t_PHL
t_PHZ
DIR
A
t_PLZ
t_PHZ
DIR
B
t_PLZ
t_PZH ⁽¹⁾
t_PZL ⁽¹⁾
DIR
A
t_PZH ⁽¹⁾
t_PZL ⁽¹⁾
DIR
B
2.5
0.3 4.9 0.2
4 0.2
3
2.5
0.3 4.9 0.2
4 0.2
3
2.1
0.6 3.8 0.4 3.3 0.3 2.8
2.1
0.6 3.8 0.4 3.3 0.3 2.8
2.9
1.1 8.2
1 6.7 1.3 4.9
2.9
1.1 8.2
1 6.7 1.3 4.9
3.4
0.5 6.8 0.3 5.8 0.3 4.8
3.4
0.5 6.8 0.3 5.8 0.3 4.8
5.5
10.4
8.9
7.4
5.5
10.4
8.9
7.4
5.4
12.9
10.5
7.7
5.4
12.9
10.5
7.7
(1) The enable time is a calculated value, derived using the formula shown in the enable times section.
V_CCB = 3.3 V
± 0.3 V
MIN MAX
0.2 2.6
0.2 2.6
0.3 2.6
0.3 2.6
1.2 4.2
1.2 4.2
1.1 4.4
1.1 4.4
6.8
6.8
6.6
6.6
UNIT
ns
ns
ns
ns
ns
ns
OPERATING CHARACTERISTICS
T_A = 25°C
PARAMETER
TEST
CONDITIONS
C_pdA ⁽¹⁾
C_pdB ⁽¹⁾
A-port input,
B-port output
B-port input,
A-port output
A-port input,
B-port output
B-port input,
A-port output
C_L = 0,
f = 10 MHz,
t_r = t_f = 1 ns
C_L = 0,
f = 10 MHz,
t_r = t_f = 1 ns
V_CCA =
V_CCB = 1.2 V
TYP
V_CCA =
V_CCB = 1.5 V
TYP
V_CCA =
V_CCB = 1.8 V
TYP
V_CCA =
V_CCB = 2.5 V
TYP
V_CCA =
V_CCB = 3.3 V
TYP
3
3
3
3
4
12
13
13
14
15
12
13
13
14
15
3
3
3
3
4
(1) Power-dissipation capacitance per transceiver
UNIT
pF
pF
8
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