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SN74AVCH4T245DG4 数据表(PDF) 4 Page - Texas Instruments

部件名 SN74AVCH4T245DG4
功能描述  4-BIT DUAL-SUPPLY BUS TRANSCEIVER WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUTPUTS
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制造商  TI [Texas Instruments]
网页  http://www.ti.com
标志 TI - Texas Instruments

SN74AVCH4T245DG4 数据表(HTML) 4 Page - Texas Instruments

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Recommended Operating Conditions
(1) (2) (3) (4) (5)
SN74AVCH4T245
4-BIT DUAL-SUPPLY BUS TRANSCEIVER
WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUTPUTS
SCES577D – JUNE 2004 – REVISED JUNE 2007
VCCI
VCCO
MIN
MAX
UNIT
VCCA
Supply voltage
1.2
3.6
V
VCCB
Supply voltage
1.2
3.6
V
1.2 V to 1.95 V
VCCI × 0.65
High-level
VIH
Data inputs(4)
1.95 V to 2.7 V
1.6
V
input voltage
2.7 V to 3.6 V
2
1.2 V to 1.95 V
VCCI × 0.35
Low-level
VIL
Data inputs(4)
1.95 V to 2.7 V
0.7
V
input voltage
2.7 V to 3.6 V
0.8
1.2 V to 1.95 V
VCCA × 0.65
High-level
DIR
VIH
1.95 V to 2.7 V
1.6
V
input voltage
(referenced to VCCA)
(5)
2.7 V to 3.6 V
2
1.2 V to 1.95 V
VCCA × 0.35
Low-level
DIR
VIL
1.95 V to 2.7 V
0.7
V
input voltage
(referenced to VCCA)
(5)
2.7 V to 3.6 V
0.8
VI
Input voltage
0
3.6
V
Active state
0
VCCO
VO
Output voltage
V
3-state
0
3.6
1.2 V
–3
1.4 V to 1.6 V
–6
IOH
High-level output current
1.65 V to 1.95 V
–8
mA
2.3 V to 2.7 V
–9
3 V to 3.6 V
–12
1.2 V
3
1.4 V to 1.6 V
6
IOL
Low-level output current
1.65 V to 1.95 V
8
mA
2.3 V to 2.7 V
9
3 V to 3.6 V
12
Δt/Δv
Input transition rise or fall rate
5
ns/V
TA
Operating free-air temperature
–40
85
°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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