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SN74AVCH4T245DR 数据表(PDF) 5 Page - Texas Instruments

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部件名 SN74AVCH4T245DR
功能描述  4-Bit Dual-Supply Bus Transceiver
Download  37 Pages
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制造商  TI1 [Texas Instruments]
网页  http://www.ti.com
标志 TI1 - Texas Instruments

SN74AVCH4T245DR 数据表(HTML) 5 Page - Texas Instruments

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SN74AVCH4T245
www.ti.com
SCES577E – JUNE 2004 – REVISED NOVEMBER 2015
7 Specifications
7.1 Absolute Maximum Ratings
over operating free-air temperature range (unless otherwise noted)
(1)
MIN
MAX
UNIT
VCCA
Supply voltage
–0.5
4.6
V
VCCB
Supply voltage
–0.5
4.6
V
I/O ports (A port)
–0.5
4.6
VI
Input voltage(2)
I/O ports (B port)
–0.5
4.6
V
Control inputs
–0.5
4.6
A port
–0.5
4.6
Voltage applied to any output
VO
V
in the high-impedance or power-off state(2)
B port
–0.5
4.6
A port
–0.5
VCCA + 0.5
Voltage applied to any output
VO
V
in the high or low state(2) (3)
B port
–0.5
VCCB + 0.5
IIK
Input clamp current
VI < 0
–50
mA
IOK
Output clamp current
VO < 0
–50
mA
IO
Continuous output current
±50
mA
Continuous current through VCCA, VCCB, or GND
±100
mA
Tstg
Storage temperature
–65
150
°C
(1)
Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These are stress ratings
only, which do not imply functional operation of the device at these or any other conditions beyond those indicated under Recommended
Operating Conditions. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
(2)
The input voltage and output negativeVoltage ratings may be exceeded if the input and output current ratings are observed.
(3)
The output positiveVoltage rating may be exceeded up to 4.6V maximum if the output current rating is observed.
7.2 ESD Ratings
VALUE
UNIT
Human body model (HBM), per ANSI/ESDA/JEDEC JS-001(1)
±8000
V(ESD)
Electrostatic discharge
Charged-device model (CDM), per JEDEC specification JESD22-C101(2)
±1000
V
Machine model
±200
(1)
JEDEC document JEP155 states that 500V HBM allows safe manufacturing with a standard ESD control process.
(2)
JEDEC document JEP157 states that 250V CDM allows safe manufacturing with a standard ESD control process.
7.3 Recommended Operating Conditions
see
(1) (2) (3) (4) (5)
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)
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.
Copyright © 2004–2015, Texas Instruments Incorporated
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