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SN74LVC245DB 데이터시트(PDF) 4 Page - Texas Instruments

부품명 SN74LVC245DB
상세설명  8-BIT DUAL-SUPPLY BUS TRANSCEIVER WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUTPUTS
PDF  22 Pages
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제조업체  TI [Texas Instruments]
홈페이지  http://www.ti.com
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SN74LVC245DB 데이터시트(HTML) 4 Page - Texas Instruments

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Recommended Operating Conditions
(1) (2) (3)
SN74LVCH8T245
8-BIT DUAL-SUPPLY BUS TRANSCEIVER
WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUTPUTS
SCES637A – AUGUST 2005 – REVISED FEBRUARY 2007
VCCI
VCCO
MIN
MAX
UNIT
VCCA
1.65
5.5
Supply voltage
V
VCCB
1.65
5.5
1.65 V to 1.95 V
VCCI × 0.65
2.3 V to 2.7 V
1.7
High-level
VIH
Data inputs(4)
V
input voltage
3 V to 3.6 V
2
4.5 V to 5.5 V
VCCI × 0.7
1.65 V to 1.95 V
VCCI × 0.35
2.3 V to 2.7 V
0.7
Low-level
VIL
Data inputs(4)
V
input voltage
3 V to 3.6 V
0.8
4.5 V to 5.5 V
VCCI × 0.3
1.65 V to 1.95 V
VCCA × 0.65
2.3 V to 2.7 V
1.7
High-level
Control inputs
VIH
V
input voltage
(referenced to VCCA)(5)
3 V to 3.6 V
2
4.5 V to 5.5 V
VCCA × 0.7
1.65 V to 1.95 V
VCCA × 0.35
2.3 V to 2.7 V
0.7
Low-level
Control inputs
VIL
V
input voltage
(referenced to VCCA)(5)
3 V to 3.6 V
0.8
4.5 V to 5.5 V
VCCA × 0.3
VI
Input voltage
Control inputs
0
5.5
V
Active state
0
VCCO
Input/output
VI/O
V
voltage
3-State
0
5.5
1.65 V to 1.95 V
–4
2.3 V to 2.7 V
–8
IOH
High-level output current
mA
3 V to 3.6 V
–24
4.5 V to 5.5 V
–32
1.65 V to 1.95 V
4
2.3 V to 2.7 V
8
IOL
Low-level output current
mA
3 V to 3.6 V
24
4.5 V to 5.5 V
32
1.65 V to 1.95 V
20
2.3 V to 2.7 V
20
Input transition
∆t/∆v
Data inputs
ns/V
rise or fall rate
3 V to 3.6 V
10
4.5 V to 5.5 V
5
TA
Operating free-air temperature
–40
85
°C
(1)
VCCI is the VCC associated with the data input port.
(2)
VCCO is the VCC associated with the output port.
(3)
All unused control inputs of the device must be held at VCCA or GND to ensure proper device operation and minimize power
consumption. 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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