MC74HC138A identical pinout LS138. device inputs compatible with stand

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MC74HC138A identical pinout LS138. device inputs compatible with stand

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MC74HC138A 1-of-8 Decoder/ Demultiplexer
MC74HC138A identical pinout LS138. device inputs compatible with standard CMOS outputs; with pullup resistors, they compatible with LSTTL outputs. HC138A decodes three-bit Address one-of-eight active-low outputs. This device features three Chip Select inputs, active-low active-high facilitate demultiplexing, cascading, chip-selecting functions. demultiplexing function accomplished using Address inputs select desired device output; Chip Selects used data input while other Chip Selects held their active states. Output Drive Capability: LSTTL Loads Outputs Directly Interface CMOS, NMOS Operating Voltage Range: Input Current: High Noise Immunity Characteristic CMOS Devices Compliance with Requirements Defined JEDEC Standard Chip Complexity: FETs Equivalent Gates
LOGIC DIAGRAM
ADDRESS INPUTS ACTIVE-LOW OUTPUTS Assembly Location Wafer Year Work Week
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PDIP-16 SUFFIX CASE
MC74HC138AN AWLYYWW
SO-16 SUFFIX CASE 751B
HC138A AWLYWW
TSSOP-16 SUFFIX CASE 948F 138A ALYW
ASSIGNMENT
CHIP- SELECT INPUTS
FUNCTION TABLE
Inputs Outputs CS1CS2
ORDERING INFORMATION
Device MC74HC138AN MC74HC138AD MC74HC138ADR2 MC74HC138ADT MC74HC138ADTR2 Package PDIP-16 SOIC-16 SOIC-16 TSSOP-16 TSSOP-16 Shipping 2000 Rail 2500 Reel Rail 2500 Reel
high level (steady state); level (steady state); don't care
Semiconductor Components Industries, LLC, 2000
March, 2000 Rev.
Publication Order Number: MC74HC138A/D
MC74HC138A
MAXIMUM RATINGS*
Symbol Parameter Value Unit Supply Voltage (Referenced GND) Input Voltage (Referenced GND) Vout Output Voltage (Referenced GND) Input Current, Iout Output Current, Supply Current, Pins Power Dissipation Still Air, Plastic SOIC Package TSSOP Package Tstg Storage Temperature
This device contains protection circuitry guard against damage high static voltages electric fields. However, precautions must taken avoid applications voltage higher than maximum rated voltages this high-impedance circuit. proper operation, Vout should constrained range (Vin Vout) VCC. Unused inputs must always tied appropriate logic voltage level (e.g., either VCC). Unused outputs must left open.
Lead Temperature, from Case Seconds (Plastic DIP, SOIC TSSOP Package)
*Maximum Ratings those values beyond which damage device occur. Functional operation should restricted Recommended Operating Conditions. Derating Plastic DIP: mW/_C from 125_C SOIC Package: mW/_C from 125_C TSSOP Package: .W/_C from 125_C high frequency heavy load considerations, Chapter Semiconductor High-Speed CMOS Data Book (DL129/D).
RECOMMENDED OPERATING CONDITIONS
Symbol Parameter
Unit
Supply Voltage (Referenced GND)
Vin, Vout
Input Voltage, Output Voltage (Referenced GND) Operating Temperature, Package Types Input Rise Fall Time (Figure
1000
ELECTRICAL CHARACTERISTICS (Voltages Referenced GND)
Guaranteed Limit
Symbol
Parameter
Test Conditions
-55_C 25_C 3.15 1.35
85_C 125_C
3.15 1.35 3.15 1.35
Unit
Minimum High-Level Input Voltage
Vout |Iout|
Maximum Low-Level Input Voltage
Vout |Iout|
Minimum High-Level Output Voltage
|Iout|
|Iout| |Iout| |Iout|
2.48 3.98 5.48
2.34 3.84 5.34
2.20 3.70 5.20
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MC74HC138A
ELECTRICAL CHARACTERISTICS (Voltages Referenced GND)
Guaranteed Limit Symbol Parameter Test Conditions -55_C 25_C
85_C 125_C
0.33 0.33 0.33 0.40 0.40 0.40
Unit
Maximum Low-Level Output Voltage
|Iout|
|Iout| |Iout| |Iout| Iout
0.26 0.26 0.26
Maximum Input Leakage Current
Maximum Quiescent Supply Current (per Package)
NOTE: Information typical parametric values found Chapter Semiconductor High-Speed CMOS Data Book (DL129/D).
Guaranteed Limit Symbol tPLH, tPHL Parameter -55_C 25_C
ELECTRICAL CHARACTERISTICS Input
85_C 125_C
Unit
Maximum Propagation Delay, Input Output (Figures
tPLH, tPHL
Maximum Propagation Delay, Output (Figures
tPLH, tPHL
Maximum Propagation Delay, Output (Figures
tTLH, tTHL
Maximum Output Transition Time, Output (Figures
Maximum Input Capacitance
NOTE: propagation delays with loads other than information typical parametric values, Chapter Semiconductor High-Speed CMOS Data Book (DL129/D). Typical 25°C,
Power Dissipation Capacitance (Per Package)*
Used determine no-load dynamic power consumption: load considerations, Chapter Semiconductor High-Speed CMOS Data Book (DL129/D).
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MC74HC138A
SWITCHING WAVEFORMS
VALID INPUT tPLH OUTPUT tPHL OUTPUT tTHL VALID INPUT tPHL tTLH tPLH
Figure
Figure
TEST POINT INPUT CS2, tPHL OUTPUT tTHL tTLH *Includes probe capacitance tPLH DEVICE UNDER TEST OUTPUT
Figure
Figure Test Circuit
DESCRIPTIONS
ADDRESS INPUTS (Pins
Address inputs. other combination CS1, CS2, CS3, outputs logic high.
OUTPUTS (Pins
Address inputs. These inputs, when chip selected, determine which eight outputs active-low.
CONTROL INPUTS CS1, CS2, (Pins
Chip select inputs. high level CS2, level, chip selected outputs follow
Active-low Decoded outputs. These outputs assume level when addressed chip selected. These outputs remain high when addressed chip selected.
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MC74HC138A
EXPANDED LOGIC DIAGRAM
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MC74HC138A
PACKAGE DIMENSIONS
PDIP-16 SUFFIX CASE 648-08 ISSUE
NOTES: DIMENSIONING TOLERANCING ANSI Y14.5M, 1982. CONTROLLING DIMENSION: INCH. DIMENSION CENTER LEADS WHEN FORMED PARALLEL. DIMENSION DOES INCLUDE MOLD FLASH. ROUNDED CORNERS OPTIONAL. INCHES MILLIMETERS 0.740 0.770 18.80 19.55 0.250 0.270 6.85 6.35 0.145 0.175 4.44 3.69 0.015 0.021 0.53 0.39 0.040 0.070 1.77 1.02 0.100 2.54 0.050 1.27 0.008 0.015 0.38 0.21 0.110 0.130 3.30 2.80 0.295 0.305 7.74 7.50 0.020 0.040 1.01 0.51
0.25 (0.010)
SEATING PLANE
SOIC-16 SUFFIX CASE 751B-05 ISSUE
NOTES: DIMENSIONING TOLERANCING ANSI Y14.5M, 1982. CONTROLLING DIMENSION: MILLIMETER. DIMENSIONS INCLUDE MOLD PROTRUSION. MAXIMUM MOLD PROTRUSION 0.15 (0.006) SIDE. DIMENSION DOES INCLUDE DAMBAR PROTRUSION. ALLOWABLE DAMBAR PROTRUSION SHALL 0.127 (0.005) TOTAL EXCESS DIMENSION MAXIMUM MATERIAL CONDITION. MILLIMETERS 9.80 10.00 4.00 3.80 1.75 1.35 0.49 0.35 1.25 0.40 1.27 0.25 0.19 0.25 0.10 6.20 5.80 0.50 0.25 INCHES 0.386 0.393 0.150 0.157 0.054 0.068 0.014 0.019 0.016 0.049 0.050 0.008 0.009 0.004 0.009 0.229 0.244 0.010 0.019
0.25 (0.010)
SEATING
PLANE
0.25 (0.010)
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MC74HC138A
PACKAGE DIMENSIONS
TSSOP-16 SUFFIX CASE 948F-01 ISSUE
0.10 (0.004) 0.15 (0.006)
IDENT.
SECTION
0.25 (0.010) 0.15 (0.006)
DETAIL
NOTES: DIMENSIONING TOLERANCING ANSI Y14.5M, 1982. CONTROLLING DIMENSION: MILLIMETER. DIMENSION DOES INCLUDE MOLD FLASH. PROTRUSIONS GATE BURRS. MOLD FLASH GATE BURRS SHALL EXCEED 0.15 (0.006) SIDE. DIMENSION DOES INCLUDE INTERLEAD FLASH PROTRUSION. INTERLEAD FLASH PROTRUSION SHALL EXCEED 0.25 (0.010) SIDE. DIMENSION DOES INCLUDE DAMBAR PROTRUSION. ALLOWABLE DAMBAR PROTRUSION SHALL 0.08 (0.003) TOTAL EXCESS DIMENSION MAXIMUM MATERIAL CONDITION. TERMINAL NUMBERS SHOWN REFERENCE ONLY. DIMENSION DETERMINED DATUM PLANE -W-. MILLIMETERS 4.90 5.10 4.30 4.50 1.20 0.05 0.15 0.50 0.75 0.65 0.18 0.28 0.09 0.20 0.09 0.16 0.19 0.30 0.19 0.25 6.40 INCHES 0.193 0.200 0.169 0.177 0.047 0.002 0.006 0.020 0.030 0.026 0.007 0.011 0.004 0.008 0.004 0.006 0.007 0.012 0.007 0.010 0.252
0.10 (0.004) SEATING
PLANE
DETAIL
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MC74HC138A
Semiconductor trademarks Semiconductor Components Industries, (SCILLC). SCILLC reserves right make changes without further notice products herein. SCILLC makes warranty, representation guarantee regarding suitability products particular purpose, does SCILLC assume liability arising application product circuit, specifically disclaims liability, including without limitation special, consequential incidental damages. "Typical" parameters which provided SCILLC data sheets and/or specifications vary different applications actual performance vary over time. operating parameters, including "Typicals" must validated each customer application customer's technical experts. SCILLC does convey license under patent rights rights others. SCILLC products designed, intended, authorized components systems intended surgical implant into body, other applications intended support sustain life, other application which failure SCILLC product could create situation where personal injury death occur. Should Buyer purchase SCILLC products such unintended unauthorized application, Buyer shall indemnify hold SCILLC officers, employees, subsidiaries, affiliates, distributors harmless against claims, costs, damages, expenses, reasonable attorney fees arising directly indirectly, claim personal injury death associated with such unintended unauthorized use, even such claim alleges that SCILLC negligent regarding design manufacture part. SCILLC Equal Opportunity/Affirmative Action Employer.
PUBLICATION ORDERING INFORMATION
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MC74HC138A/D

MC74HC138A identical pinout LS138. device inputs compatible with stand

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