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SN74AVCH2T45 Datasheet(PDF) 6 Page - Texas Instruments

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Part No. SN74AVCH2T45
Description  DUAL-BIT DUAL-SUPPLY BUS TRANSCEIVER WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUTPUTS
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

SN74AVCH2T45 Datasheet(HTML) 6 Page - Texas Instruments

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Electrical Characteristics
(1) (2)
Switching Characteristics
SN74AVCH2T45
DUAL-BIT DUAL-SUPPLY BUS TRANSCEIVER
WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUTPUTS
SCES582D – JULY 2004 – REVISED AUGUST 2005
over recommended operating free-air temperature range (unless otherwise noted) (continued)
TA = 25°C
–40
°C to 85°C
PARAMETER
TEST CONDITIONS
VCCA
VCCB
UNIT
MIN
TYP
MAX
MIN
MAX
A port
0 V
0 to 3.6 V
±0.1
±1
±5
Ioff
VI or VO = 0 to 3.6 V
µA
B port
0 to 3.6 V
0 V
±0.1
±1
±5
IOZ
A or B port
VO = VCCO or GND
1.2 V to 3.6 V
1.2 V to 3.6 V
±0.5 ±2.5
±5
µA
1.2 V to 3.6 V
1.2 V to 3.6 V
10
ICCA
VI = VCCI or GND,
IO = 0
0 V
3.6 V
–2
µA
3.6 V
0 V
10
1.2 V to 3.6 V
1.2 V to 3.6 V
10
ICCB
VI = VCCI or GND,
IO = 0
0 V
3.6 V
10
µA
3.6 V
0 V
–2
ICCA + ICCB
VI = VCCI or GND,
IO = 0
1.2 V to 3.6 V
1.2 V to 3.6 V
20
µA
Control
Ci
VI = 3.3 V or GND
3.3 V
3.3 V
2.5
pF
inputs
Cio
A or B port
VO = 3.3 V or GND
3.3 V
3.3 V
6
pF
(1)
VCCO is the VCC associated with the output port.
(2)
VCCI is the VCC associated with the input port.
over recommended operating free-air temperature range, V
CCA = 1.2 V (see Figure 11)
VCCB = 1.2 V
VCCB = 1.5 V
VCCB = 1.8 V
VCCB = 2.5 V
VCCB = 3.3 V
FROM
TO
PARAMETER
UNIT
(INPUT)
(OUTPUT)
TYP
TYP
TYP
TYP
TYP
tPLH
3.1
2.6
2.4
2.2
2.2
A
B
ns
tPHL
3.1
2.6
2.4
2.2
2.2
tPLH
3.4
3.1
3
2.9
2.9
B
A
ns
tPHL
3.4
3.1
3
2.9
2.9
tPHZ
5.2
5.2
5.1
5
4.8
DIR
A
ns
tPLZ
5.2
5.2
5.1
5
4.8
tPHZ
5
4
3.8
2.8
3.2
DIR
B
ns
tPLZ
5
4
3.8
2.8
3.2
tPZH(1)
8.4
7.1
6.8
5.7
6.1
DIR
A
ns
tPZL(1)
8.4
7.1
6.8
5.7
6.1
tPZH(1)
8.3
7.8
7.5
7.2
7
DIR
B
ns
tPZL(1)
8.3
7.8
7.5
7.2
7
(1)
The enable time is a calculated value derived using the formula shown in the enable times section.
6


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