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U74AHC245L-R20-R 数据表(PDF) 3 Page - Unisonic Technologies

部件名 U74AHC245L-R20-R
功能描述  OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS
PDF  5 Pages
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制造商  UTC [Unisonic Technologies]
网页  http://www.utc-ic.com
标志 UTC - Unisonic Technologies

U74AHC245L-R20-R 数据表(HTML) 3 Page - Unisonic Technologies

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U74AHC245
CMOS IC
UNISONICTECHNOLOGIESCO.,LTD
3 of 5
www.unisonic.com.tw
QW-R502-987.A
ABSOLUTE MAXIMUM RATING
PARAMETER
SYMBOL
RATINGS
UNIT
Supply Voltage
VCC
-0.5~7.0
V
Input Voltage Range
VI
-0.5~7.0
V
Output Voltage Range
VO
-0.5~VCC+0.5
V
Input Clamp Current (ViN<0)
IIK
-20
mA
Output Clamp Current (VO<0 or VO>VCC)
IOK
±20
mA
Output Current
IOUT
±25
mA
VCC or GND Current
ICC
±75
mA
Storage Temperature
TSTG
-65 ~ +150
°C
Notes: 1. Absolute maximum ratings are those values beyond which the device could be permanently damaged.
Absolute maximum ratings are stress ratings only and functional device operation is not implied.
2. The input and output voltage ratings may be exceeded if the input and output current ratings are
observed.
RECOMMENDED OPERATING CONDITIONS
PARAMETER
SYMBOL
MIN
TYP
MAX
UNIT
Supply Voltage
VCC
2
5.5
V
Input Voltage
VIN
0
5.5
V
Output Voltage
VOUT
0
VCC
V
Operating Temperature
TOPR
-40
85
°C
Input Transition Rise or Fall Rate
VCC =3.3V±0.3V
∆t/∆v
100
ns/V
VCC =5V±0.5V
20
Operating Free-air Temperature
TA
-40
85
°C
ELECTRICAL CHARACTERISTICS (Ta=25°С, unless otherwise specified)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX UNIT
HIGH-level input voltage
VIH
VCC=2V
1.5
V
VCC=3V
2.1
VCC=5.5V
3.85
LOW-lever output voltage
VIL
VCC=2V
0.5
V
VCC=3V
0.9
VCC=5.5V
1.65
High-Level Output Voltage
VOH
VCC=2V, IOH=-50μA
1.9
2
V
VCC=3V, IOH=-50μA
2.9
3
VCC=4.5V, IOH=-50μA
4.4
4.5
VCC=3V, IOH=-4mA
2.58
VCC=4.5V, IOH=-8mA
3.94
Low-Level Output Voltage
VOL
VCC=2V, IOL=50μA
0.1
V
VCC=3V, IOL=50μA
0.1
VCC=4.5V, IOL=50μA
0.1
VCC=3V, IOL=4mA
0.36
VCC=4.5V, IOL=8mA
0.36
Input Leakage Current
A or B inputs
II(LEAK)
VCC=5.5V, VIN=VCC or GND
±0.1
μA
OE or DIR
VCC=0 to 5.5V, VIN=VCC or GND
Output OFF-state current
IOZ
VCC=5.5V, VOUT=VCC or GND
±0.25
μA
Quiescent Supply Current
IQ
VCC=5.5V, VIN=VCC or GND, IOUT=0
4
μA
Input Capacitance( OE or DIR)
CI
VCC=5V, VIN=VCC or GND
2.5
10
pF
Input Capacitance(A or B inputs)
CIO
VCC=5V, VIN=VCC or GND
4
pF



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