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MC74VHC125 Datasheet, PDF (2/8 Pages) ON Semiconductor – Quad Bus Buffer
MC74VHC125
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ MAXIMUM RATINGS*
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Symbol
Parameter
Value
Unit
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ VCC
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Vin
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Vout
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ IIK
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ IOK
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Iout
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ ICC
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ PD
DC Supply Voltage
– 0.5 to + 7.0
V
DC Input Voltage
– 0.5 to + 7.0
V
DC Output Voltage
Input Diode Current
– 0.5 to VCC + 0.5 V
– 20
mA
Output Diode Current
± 20
mA
DC Output Current, per Pin
± 25
mA
DC Supply Current, VCC and GND Pins
± 50
mA
Power Dissipation in Still Air,
SOIC Packages†
500
mW
TSSOP Package†
450
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Tstg Storage Temperature
– 65 to + 150
_C
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ * Absolutemaximumcontinuousratingsarethosevaluesbeyondwhichdamagetothedevice
may occur. Exposure to these conditions or conditions beyond those indicated may
adversely affect device reliability. Functional operation under absolute–maximum–rated
conditions is not implied.
†Derating — SOIC Packages: – 7 mW/_C from 65_ to 125_C
TSSOP Package: – 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 high–impedance 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
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ VCC
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Vin
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Vout
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ TA
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ tr, tf
DC Supply Voltage
2.0
DC Input Voltage
0
DC Output Voltage
0
Operating Temperature, All Package Types
– 40
Input Rise and Fall Time
VCC = 3.3V ±0.3V 0
VCC =5.0V ±0.5V 0
5.5
5.5
VCC
+ 85
100
20
V
V
V
_C
ns/V
DC ELECTRICAL CHARACTERISTICS
VCC
TA = 25°C
TA ≤ 85°C
TA ≤ 125°C
Symbol
Parameter
Test Conditions
(V) Min Typ Max Min Max Min Max Unit
VIH
Minimum High–Level
Input Voltage
2.0 1.5
3.0 2.1
4.5 3.15
5.5 3.85
1.5
1.5
V
2.1
2.1
3.15
3.15
3.85
3.85
VIL
Maximum Low–Level
Input Voltage
2.0
0.5
0.5
0.5
V
3.0
0.9
0.9
0.9
4.5
1.35
1.35
1.35
5.5
1.65
1.65
1.65
VOH
VOL
IOZ
Minimum High–Level
Output Voltage
VIN = VIH or VIL
Maximum Low–Level
Output Voltage
VIN = VIH or VIL
Maximum 3–State
Leakage Current
VIN = VIH or VIL
IOH = –50µA
VIN = VIH or VIL
IOH = –4mA
IOH = –8mA
VIN = VIH or VIL
IOL = 50µA
VIN = VIH or VIL
IOL = 4mA
IOL = 8mA
VIN = VIH or VIL
VOUT = VCC or GND
2.0 1.9 2.0
1.9
1.9
V
3.0 2.9 3.0
2.9
2.9
4.5 4.4 4.5
4.4
4.4
3.0 2.58
4.5 3.94
V
2.48
2.34
3.80
3.66
2.0
0.0 0.1
0.1
0.1
V
3.0
0.0 0.1
0.1
0.1
4.5
0.0 0.1
0.1
0.1
V
3.0
0.36
0.44
0.52
4.5
0.36
0.44
0.52
5.5
±0.25
±2.5
±2.5 µA
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