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MC74VHC245 Datasheet, PDF (2/7 Pages) Motorola, Inc – Octal Bus Transceiver | |||
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MC74VHC245
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ MAXIMUM RATINGS*
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ Symbol
Parameter
Value
Unit
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ VCC
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ Vin
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ Vout
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ IIK
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ IOK
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ Iout
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ ICC
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ PD
DC Supply Voltage
â 0.5 to + 7.0
V
DC Input Voltage
â 0.5 to + 7.0
V
DC Output Voltage
Input Diode Current
â 0.5 to VCC + 0.5 V
â 20
mA
Output Diode Current
± 20
mA
DC Output Current, per Pin
± 25
mA
DC Supply Current, VCC and GND Pins
± 75
mA
Power Dissipation in Still Air
SOIC Packagesâ
500
mW
TSSOP Packageâ
450
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ Tstg Storage Temperature
â 65 to + 150
_C
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ * Absolute maximum continuous ratings are those values beyond which damage to the device
may occur. Exposure to these conditions or conditions beyond those indicated may adversely
affect device reliability. Functional operation under absoluteâmaximumârated conditions is not
implied.
â Derating â SOIC Packages: â 7 mW/_C from 65_ to 125_C
TSSOP Package: â 6.1 mW/_C from 65_ to 125_C
This device contains protection
circuitry to guard against damage
due to high static voltages or electric
fields. However, precautions must
be taken to avoid applications of any
voltage higher than maximum rated
voltages to this highâimpedance cir-
cuit. For proper operation, Vin and
v v Vout should be constrained to the
range GND (Vin or Vout) VCC.
Unused inputs must always be
tied to an appropriate logic voltage
level (e.g., either GND or VCC).
Unused outputs must be left open.
RECOMMENDED OPERATING CONDITIONS
Symbol
Parameter
Min Max Unit
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ VCC
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ Vin
DC Supply Voltage
DC Input Voltage
2.0 5.5 V
0
5.5 V
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ Vout DC Output Voltage
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ TA
Operating Temperature
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ tr,tf InputRiseandFallTime
0 VCC V
â 40 + 85 _C
VCC = 3.3V ±0.3V 0
VCC =5.0V ±0.5V 0
100 ns/V
20
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ DC ELECTRICAL CHARACTERISTICS
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ Symbol
Parameter
Test Conditions
VCC
V
TA = 25°C
Min
Typ
Max
TA = â 40 to 85°C
Min
Max Unit
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ VIH MinimumHighâLevel
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ Input Voltage
2.0
3.0 to
5.5
1.50
VCC x 0.7
1.50
V
VCC x 0.7
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ VIL
Maximum LowâLevel
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ Input Voltage
2.0
3.0 to
5.5
0.50
VCC x 0.3
0.50
V
VCC x 0.3
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ VOH
Minimum HighâLevel
Output Voltage
Vin = VIH or VIL
IOH = â 50µA
2.0
1.9
2.0
3.0
2.9
3.0
4.5
4.4
4.5
1.9
V
2.9
4.4
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ Vin = VIH or VIL
IOH = â 4mA 3.0
2.58
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ IOH=â8mA 4.5
3.94
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ VOL MaximumLowâLevel Vin = VIH or VIL
2.0
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ Output Voltage
IOL = 50µA
3.0
4.5
0.0
0.1
0.0
0.1
0.0
0.1
2.48
3.80
0.1
V
0.1
0.1
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ Iin
Maximum Input
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ Leakage Current
Vin = VIH or VIL
IOL = 4mA
IOL = 8mA
Vin = 5.5 V or GND
(DIR, OE)
3.0
4.5
0 to 5.5
0.36
0.36
± 0.1
0.44
0.44
± 1.0
µA
MOTOROLA
2
VHC Data â Advanced CMOS Logic
DL203 â Rev 1
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