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74HCT157DR2G Arkusz danych(PDF) 3 Page - ON Semiconductor

Numer części 74HCT157DR2G
Szczegółowy opis  Quad 2?묲nput Data Selectors / Multiplexers High?뭁erformance Silicon?묰ate CMOS
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Producent  ONSEMI [ON Semiconductor]
Strona internetowa  http://www.onsemi.com
Logo ONSEMI - ON Semiconductor

74HCT157DR2G Arkusz danych(HTML) 3 Page - ON Semiconductor

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74HCT157
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MAXIMUM RATINGS
Symbol
Parameter
Value
Unit
VCC
DC Supply Voltage (Referenced to GND)
– 0.5 to + 7.0
V
Vin
DC Input Voltage (Referenced to GND)
– 0.5 to VCC + 0.5
V
Vout
DC Output Voltage (Referenced to GND)
– 0.5 to VCC + 0.5
V
Iin
DC Input Current, per Pin
±20
mA
Iout
DC Output Current, per Pin
±25
mA
ICC
DC Supply Current, VCC and GND Pins
±50
mA
PD
Power Dissipation in Still Air,
SOIC Package†
TSSOP Package†
500
450
mW
Tstg
Storage Temperature
– 65 to + 150
_C
TL
Lead Temperature, 1 mm from Case for 10 Seconds
(SOIC or TSSOP Package)
260
_C
Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress
ratings only. Functional operation above the Recommended Operating Conditions is not implied.
Extended exposure to stresses above the Recommended Operating Conditions may affect device
reliability.
†Derating — SOIC Package: – 7 mW/_C from 65_ to 125_C
TSSOP Package: − 6.1 mW/_C from 65_ to 125_C
For high frequency or heavy load considerations, see Chapter 2 of the ON Semiconductor High−Speed CMOS Data Book (DL129/D).
RECOMMENDED OPERATING CONDITIONS
Symbol
Parameter
Min
Max
Unit
VCC
DC Supply Voltage (Referenced to GND)
4.5
5.5
V
Vin, Vout DC Input Voltage, Output Voltage
(Referenced to GND)
0
VCC
V
TA
Operating Temperature, All Package Types
– 55
+ 125
_C
tr, tf
Input Rise and Fall Time
VCC = 2.0 V
(Figure 1)
VCC = 4.5 V
VCC = 6.0 V
0
0
0
1000
500
400
ns
DC ELECTRICAL CHARACTERISTICS (Voltages Referenced to GND)
VCC
(V)
Guaranteed Limit
Symbol
Parameter
Condition
−55 to 25°C
≤85°C
≤125°C
Unit
VIH
Minimum High−Level Input Voltage
Vout = 0.1V
|Iout| ≤ 20mA
4.5
5.5
2.0
2.0
2.0
2.0
2.0
2.0
V
VIL
Maximum Low−Level Input Voltage
Vout = VCC − 0.1V
|Iout| ≤ 20mA
4.5
5.5
0.8
0.8
0.8
0.8
0.8
0.8
V
VOH
Minimum High−Level Output
Voltage
Vin = VIL
|Iout| ≤ 20mA
4.5
5.5
4.4
5.4
4.4
5.4
4.4
5.4
V
Vin = VIL
|Iout| ≤ 4.0mA
4.5
3.98
3.84
3.70
VOL
Maximum Low−Level Output
Voltage
Vin = VIH
|Iout| ≤ 20mA
4.5
5.5
0.1
0.1
0.1
0.1
0.1
0.1
V
Vin = VIH
|Iout| ≤ 4.0mA
4.5
0.26
0.33
0.40
Iin
Maximum Input Leakage Current
Vin = VCC or GND
5.5
±0.1
±1.0
±1.0
mA
ICC
Maximum Quiescent Supply
Current (per Package)
Vin = VCC or GND
Iout = 0mA
5.5
4.0
40
40
mA
DICC
Additional Quiescent Supply
Current
Vin = 2.4V, Any One Input
Vin = VCC or GND, Other Inputs
Iout = 0mA
5.5
≥ −55°C
25 to 125°C
mA
2.9
2.4
1. Information on typical parametric values can be found in Chapter 2 of the ON Semiconductor High−Speed CMOS Data Book (DL129/D).
2. Total Supply Current = ICC + ΣDICC.
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
Vout should be constrained to the
range GND v (Vin or Vout) v 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.


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