SN74AVC4T245 Datasheet, PDF (9/18 Pages) Texas Instruments – 4-BIT DUAL-SUPPLY BUS TRANSCEIVER WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUTPUTS

SN74AVC4T245
4ĆBIT DUALĆSUPPLY BUS TRANSCEIVER
WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3ĆSTATE OUTPUTS
SCES576A – JUNE 2004 – REVISED APRIL 2005
switching characteristics over recommended operating free-air temperature range,
V_CCA = 3.3 V ± 0.3 V (see Figure 11)
PARAMETER
tPLH
tPHL
tPLH
tPHL
tPZH
tPZL
tPZH
tPZL
tPHZ
tPLZ
tPHZ
tPLZ
FROM
(INPUT)
A
B
OE
OE
OE
OE
TO
(OUTPUT)
B
A
A
B
A
B
VCCB = 1.2 V
TYP
2.9
2.9
2.6
2.6
3.8
3.8
3.7
3.7
4.8
4.8
5.3
5.3
VCCB = 1.5 V
± 0.1 V
MIN MAX
0.1 5.6
0.1 5.6
0.6 4.2
0.6 4.2
0.6 8.7
0.6 8.7
0.8 8.7
0.8 8.7
0.7 9.3
0.7 9.3
1.4 9.3
1.4 9.3
VCCB = 1.8 V
± 0.15 V
MIN MAX
0.1 4.5
0.1 4.5
0.4 3.4
0.4 3.4
0.6 5.2
0.6 5.2
0.6 6.8
0.6 6.8
0.7 8.3
0.7 8.3
1.2 8.1
1.2 8.1
VCCB = 2.5 V
± 0.2 V
MIN MAX
0.1 3.3
0.1 3.3
0.2
3
0.2
3
0.6 3.8
0.6 3.8
0.5 4.7
0.5 4.7
0.7 5.6
0.7 5.6
1 6.4
1 6.4
VCCB = 3.3 V
± 0.3 V
MIN MAX
0.1 2.9
0.1 2.9
0.1 2.8
0.1 2.8
0.4 3.8
0.4 3.8
0.5 3.8
0.5 3.8
0.7 6.6
0.7 6.6
0.8 6.2
0.8 6.2
UNIT
ns
ns
ns
ns
ns
ns
operating characteristics, T_A = 25°C
PARAMETER
TEST
CONDITIONS
VCCA =
VCCB = 1.2 V
TYP
VCCA =
VCCB = 1.5 V
TYP
VCCA =
VCCB = 1.8 V
TYP
VCCA =
VCCB = 2.5 V
TYP
VCCA =
VCCB = 3.3 V
TYP
Outputs
Enabled
1
1
1
1.5
2
A to B
Outputs
Disabled
CL = 0,
1
1
1
1
1
CpdA†
Outputs
Enabled
f = 10 MHz,
tr = tf =1 ns
12
12.5
13
14
15
B to A
Outputs
Disabled
1
1
1
1
1
Outputs
Enabled
12
12.5
13
14
15
A to B
CpdB†
Outputs
Disabled
Outputs
Enabled
CL = 0,
f = 10 MHz,
tr = tf =1 ns
1
1
1
1
1
1
1
1
1
2
B to A
Outputs
Disabled
1
1
1
1
1
† _{Power dissipation capacitance per transceiver}
UNIT
pF
pF
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