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SN74AVCH4T245 Datasheet(PDF) 6 Page - Texas Instruments

Part No. SN74AVCH4T245
Description  4-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

SN74AVCH4T245 Datasheet(HTML) 6 Page - Texas Instruments

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Electrical Characteristics
(1) (2)
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 (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 V to 3.6 V
±0.1
±1
±5
Ioff
VI or VO = 0 to 3.6 V
μA
B port
0 V to 3.6 V
0 V
±0.1
±1
±5
VO = VCCO or
A or B port
GND,
OE = VIH
3.6 V
3.6 V
±0.5 ±2.5
±5
VI = VCCI or GND
IOZ
(3)
μA
B port
VO = VCCO or
OE =
0 V
3.6 V
±5
GND,
don't
A port
3.6 V
0 V
±5
VI = VCCI or GND
care
1.2 V to 3.6 V
1.2 V to 3.6 V
8
ICCA
VI = VCCI or GND,
IO = 0
0 V
3.6 V
–2
μA
3.6 V
0 V
8
1.2 V to 3.6 V
1.2 V to 3.6 V
8
ICCB
VI = VCCI or GND,
IO = 0
0 V
3.6 V
8
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
16
μA
Control
Ci
VI = 3.3 V or GND
3.3 V
3.3 V
3.5
4.5
pF
inputs
Cio
A or B port
VO = 3.3 V or GND
3.3 V
3.3 V
6
7
pF
(1)
VCCO is the VCC associated with the output port.
(2)
VCCI is the VCC associated with the input port.
(3)
For I/O ports, the parameter IOZ includes the input leakage current.
over recommended operating free-air temperature range, VCCA = 1.2 V (see Figure 1)
VCCB = 1.5 V
VCCB = 1.8 V
VCCB = 2.5 V
VCCB = 3.3 V
VCCB = 1.2 V
FROM
TO
± 0.1 V
± 0.15 V
± 0.2 V
± 0.3 V
PARAMETER
UNIT
(INPUT)
(OUTPUT)
TYP
TYP
TYP
TYP
TYP
tPLH
3.4
2.9
2.7
2.6
2.8
A
B
ns
tPHL
3.4
2.9
2.7
2.6
2.8
tPLH
3.6
3.1
2.8
2.6
2.6
B
A
ns
tPHL
3.6
3.1
2.8
2.6
2.6
tPZH
5.6
4.7
4.3
3.9
3.7
OE
A
ns
tPZL
5.6
4.7
4.3
3.9
3.7
tPZH
5
4.3
3.9
3.6
3.6
OE
B
ns
tPZL
5
4.3
3.9
3.6
3.6
tPHZ
6.2
5.2
5.2
4.3
4.8
OE
A
ns
tPLZ
6.2
5.2
5.2
4.3
4.8
tPHZ
5.9
5.1
5
4.7
5.5
OE
B
ns
tPLZ
5.9
5.1
5
4.7
5.5
6
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