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SN74AVCH4T245-EP Datasheet, PDF (4/14 Pages) Texas Instruments – 4-BIT DUAL-SUPPLY BUS TRANSCEIVER WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUTPUTS
SN74AVCH4T245-EP
SCES771 – DECEMBER 2008........................................................................................................................................................................................... www.ti.com
Recommended Operating Conditions(1)(2)(3)(4)(5)
VCCA
VCCB
VIH
VIL
VIH
VIL
VI
VO
IOH
IOL
Δt/Δv
TA
Supply voltage
Supply voltage
High-level
input voltage
Low-level
input voltage
High-level
input voltage
Low-level
input voltage
Input voltage
Output voltage
Data inputs(4)
Data inputs(4)
DIR
(referenced to VCCA)(5)
DIR
(referenced to VCCA)(5)
Active state
3-state
High-level output current
Low-level output current
Input transition rise or fall rate
Operating free-air temperature
VCCI
VCCO
1.2 V to 1.95 V
1.95 V to 2.7 V
2.7 V to 3.6 V
1.2 V to 1.95 V
1.95 V to 2.7 V
2.7 V to 3.6 V
1.2 V to 1.95 V
1.95 V to 2.7 V
2.7 V to 3.6 V
1.2 V to 1.95 V
1.95 V to 2.7 V
2.7 V to 3.6 V
1.2 V
1.4 V to 1.6 V
1.65 V to 1.95 V
2.3 V to 2.7 V
3 V to 3.6 V
1.2 V
1.4 V to 1.6 V
1.65 V to 1.95 V
2.3 V to 2.7 V
3 V to 3.6 V
MIN
1.2
1.2
VCCI × 0.65
1.6
2
VCCA × 0.65
1.6
2
0
0
0
–55
MAX
3.6
3.6
VCCI × 0.35
0.7
0.8
VCCA × 0.35
0.7
0.8
3.6
VCCO
3.6
–3
–6
–8
–9
–12
3
6
8
9
12
5
125
UNIT
V
V
V
V
V
V
V
V
mA
mA
ns/V
°C
(1) VCCI is the VCC associated with the input port.
(2) VCCO is the VCC associated with the output port.
(3) All unused data inputs of the device must be held at VCCI or GND to ensure proper device operation. Refer to the TI application report,
Implications of Slow or Floating CMOS Inputs, literature number SCBA004.
(4) For VCCI values not specified in the data sheet, VIH min = VCCI × 0.7 V, VIL max = VCCI × 0.3 V.
(5) For VCCA values not specified in the data sheet, VIH min = VCCA × 0.7 V, VIL max = VCCA × 0.3 V.
4
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