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MC74HCT138A Datasheet, PDF (2/6 Pages) Motorola, Inc – 1-of-8 Decoder/Demultiplexer with LSTTL Compatible Inputs | |||
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ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ MC74HCT138A
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ MAXIMUM RATINGS*
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ Symbol
Parameter
Value
Unit
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ VCC DC Supply Voltage (Referenced to GND)
â 0.5 to + 7.0
V
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ Vin
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ Vout
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ Iin
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ Iout
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ ICC
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ PD
DC Input Voltage (Referenced to GND)
DC Output Voltage (Referenced to GND)
DC Input Current, per Pin
â 0.5 to VCC + 0.5 V
â 0.5 to VCC + 0.5 V
± 20
mA
DC Output Current, per Pin
± 25
mA
DC Supply Current, VCC and GND Pins
± 50
mA
Power Dissipation in Still Air
Plastic DIPâ
750
mW
SOIC Packageâ
500
TSSOP Packageâ
450
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ Tstg Storage Temperature
â 65 to + 150
_C
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ TL Lead Temperature, 1 mm from Case for 10 Seconds
_C
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ (Plastic DIP, TSSOP or SOIC Package)
260
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ * Maximum Ratings are those values beyond which damage to the device may occur.
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.
Functional operation should be restricted to the Recommended Operating Conditions.
â Derating â Plastic DIP: â 10 mW/_C from 65_ to 125_C
SOIC Package: â 7 mW/_C from 65_ to 125_C
TSSOP Package: â 6.1 mW/_C from 65_ to 125_C
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ For high frequency or heavy load considerations, see Chapter 2 of the Motorola HighâSpeed CMOS Data Book (DL129/D).
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ RECOMMENDED OPERATING CONDITIONS
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ Symbol
Parameter
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ VCC DC Supply Voltage (Referenced to GND)
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ Vin, Vout DC Input Voltage, Output Voltage (Referenced to GND)
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ TA
Operating Temperature, All Package Types
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ tr, tf Input Rise and Fall Time (Figure 1)
Min Max Unit
4.5 5.5
V
0 VCC V
â 55 + 125 _C
0 500 ns
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ DC ELECTRICAL CHARACTERISTICS (Voltages Referenced to GND)
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ Symbol
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ VIH
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ VIL
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ VOH
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ VOL
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ Iin
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ ICC
Parameter
Test Conditions
Minimum HighâLevel Input
Voltage
v Vout = 0.1 V or VCC â 0.1 V
|Iout| 20 µA
Maximum LowâLevel Input
Voltage
v Vout = 0.1 V or VCC â 0.1 V
|Iout| 20 µA
Minimum HighâLevel Output
Voltage
v Vin = VIH or VIL
|Iout| 20 µA
v Vin = VIH or VIL
|Iout| 4.0 µA
Maximum LowâLevel Output
Voltage
v Vin = VIH or VIL
|Iout| 20 µA
v Vin = VIH or VIL
|Iout| 4.0 mA
Maximum Input Leakage Current
Maximum Quiescent Supply
Current (per Package)
Vin = VCC or GND
Vin = VCC or GND
Iout = 0 µA
VCC
V
4.5
5.5
4.5
5.5
4.5
5.5
Guaranteed Limit
v v â 55 to
25_C
85_C
125_C Unit
2.0
2.0
2.0
V
2.0
2.0
2.0
0.8
0.8
0.8
V
0.8
0.8
0.8
4.4
4.4
4.4
V
5.4
5.4
5.4
4.5
3.98
3.84
3.7
4.5
0.1
0.1
0.1
V
5.5
0.1
0.1
0.1
4.5
0.26
0.33
0.4
6.0
± 0.1
± 1.0
± 1.0
µA
5.5
4.0
40
160
µA
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ âICC AdditionalQuiescentSupply
Vin = 2.4 V, Any One Input
⥠â 55_C
25_C to 125_C
Current
Vin = VCC or GND, Other Inputs
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃà lout = 0 µA
5.5
2.9
2.4
mA
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ NOTE: Information on typical parametric values can be found in Chapter 2 of the Motorola HighâSpeed CMOS Data Book (DL129/D).
MOTOROLA
2
HighâSpeed CMOS Logic Data
DL129 â Rev 6
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