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SN74AVCH4T245-EP Datasheet, PDF (6/14 Pages) Texas Instruments – 4-BIT DUAL-SUPPLY BUS TRANSCEIVER WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUTPUTS
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SN74AVCH4T245-EP
SCES771 – DECEMBER 2008........................................................................................................................................................................................... www.ti.com
Electrical Characteristics(1)(2)
over recommended operating free-air temperature range (unless otherwise noted) (continued)
PARAMETER
TEST CONDITIONS
VCCA
A port
Ioff
B port
A or B port
IOZ(3) B port
A port
VI or VO = 0 to 3.6 V
VO = VCCO or
GND,
VI = VCCI or GND
VO = VCCO or
GND,
VI = VCCI or GND
OE = VIH
OE =
don't
care
ICCA
VI = VCCI or GND, IO = 0
ICCB
VI = VCCI or GND, IO = 0
ICCA + ICCB
Ci
Control
inputs
Cio A or B port
VI = VCCI or GND, IO = 0
VI = 3.3 V or GND
VO = 3.3 V or GND
0V
0 V to 3.6 V
3.6 V
0V
3.6 V
1.2 V to 3.6 V
0V
3.6 V
1.2 V to 3.6 V
0V
3.6 V
1.2 V to 3.6 V
3.3 V
3.3 V
VCCB
0 V to 3.6 V
0V
3.6 V
3.6 V
0V
1.2 V to 3.6 V
3.6 V
0V
1.2 V to 3.6 V
3.6 V
0V
1.2 V to 3.6 V
3.3 V
3.3 V
TA = 25°C
–55°C to 125°C
MIN TYP MAX
MIN MAX
±0.1 ±1
±13
±0.1 ±1
±13
±0.5 ±2.5
±5
±14
±5
8
–2
8
8
8
–2
16
3.5
4.5
6
7
(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.
UNIT
µA
µA
µA
µA
µA
pF
pF
Switching Characteristics
over recommended operating free-air temperature range, VCCA = 1.2 V (see Figure 1)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
VCCB = 1.2 V
TYP
VCCB = 1.5 V
± 0.1 V
TYP
VCCB = 1.8 V
± 0.15 V
TYP
tPLH
A
B
3.4
2.9
2.7
tPHL
3.4
2.9
2.7
tPLH
B
A
3.6
3.1
2.8
tPHL
3.6
3.1
2.8
tPZH
OE
A
5.6
4.7
4.3
tPZL
5.6
4.7
4.3
tPZH
OE
B
5
4.3
3.9
tPZL
5
4.3
3.9
tPHZ
OE
A
6.2
5.2
5.2
tPLZ
6.2
5.2
5.2
tPHZ
OE
B
5.9
5.1
5
tPLZ
5.9
5.1
5
VCCB = 2.5 V
± 0.2 V
TYP
2.6
2.6
2.6
2.6
3.9
3.9
3.6
3.6
4.3
4.3
4.7
4.7
VCCB = 3.3 V
± 0.3 V
TYP
2.8
2.8
2.6
2.6
3.7
3.7
3.6
3.6
4.8
4.8
5.5
5.5
UNIT
ns
ns
ns
ns
ns
ns
6
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