MC74AC540/74ACT540 MC74AC541/74ACT541 octal buffer/line drivers design
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MC74AC540, MC74ACT540, MC74AC541, MC74ACT541 Octal Buffer/Line Driver with 3-State Outputs
MC74AC540/74ACT540 MC74AC541/74ACT541 octal buffer/line drivers designed employed memory address drivers, clock drivers oriented transmitter/receivers. MC74AC541/74ACT541 noninverting option MC74AC540/74ACT540. These devices similar function MC74AC240/74ACT240 MC74AC244/74ACT244 while providing flow-through architecture (inputs opposite side from outputs). This pinout arrangement makes these devices especially useful output ports microprocessors, allowing ease layout greater board density.
PDIP-20 SUFFIX CASE
3-State Outputs Inputs Outputs Opposite Side Package, Allowing Easier
Interface Microprocessors Outputs Source/Sink MC74AC540/74ACT540 Provides Inverted Outputs MC74AC541/74ACT541 Provides Noninverted Outputs ACT540 ACT541 Have Compatible Inputs Pb-Free Packages Available
SOIC-20W SUFFIX CASE 751D
TSSOP-20 SUFFIX CASE 948E
SOEIAJ-20 SUFFIX CASE
TRUTH TABLE
Inputs Outputs
ORDERING INFORMATION
detailed ordering shipping information package dimensions section page this data sheet.
DEVICE MARKING INFORMATION
general marking information device marking section page this data sheet.
HIGH Voltage Level Voltage Level Immaterial High Impedance
Semiconductor Components Industries, LLC, 2006
December, 2006 Rev.
Publication Order Number: MC74AC540/D
MC74AC540, MC74ACT540, MC74AC541, MC74ACT541
Figure MC74AC540/74ACT540
Figure MC74AC541/74ACT541
MAXIMUM RATINGS
Symbol VOUT IOUT Tstg Parameter Supply Voltage (Referenced GND) Input Voltage (Referenced GND) Output Voltage (Referenced GND) Input Current, Output Sink/Source Current, Current Output Storage Temperature Value -0.5 +7.0 -0.5 +0.5 -0.5 +0.5 +150 Unit
Stresses exceeding Maximum Ratings damage device. Maximum Ratings stress ratings only. Functional operation above Recommended Operating Conditions implied. Extended exposure stresses above Recommended Operating Conditions affect device reliability.
RECOMMENDED OPERATING CONDITIONS
Symbol VIN, VOUT Supply Voltage Input Voltage, Output Voltage (Ref. GND) Input Rise Fall Time (Note Devices except Schmitt Inputs Input Rise Fall Time (Note Devices except Schmitt Inputs Junction Temperature (PDIP) Operating Ambient Temperature Range Output Current High Output Current Parameter ns/V ns/V Unit
from VCC; individual Data Sheets devices that differ from typical input rise fall times. from individual Data Sheets devices that differ from typical input rise fall times.
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MC74AC540, MC74ACT540, MC74AC541, MC74ACT541
CHARACTERISTICS
74AC Maximum Level Output Voltage Maximum Input Leakage Current Maximum 3-State Current Minimum Dynamic Output Current Maximum Quiescent Supply Current +25°C 2.25 2.75 2.25 2.75 2.99 4.49 5.49 0.002 0.001 0.001 74AC -40°C +85°C Guaranteed Limits 3.15 3.85 1.35 1.65 2.56 3.86 4.86 0.36 0.36 0.36 ±0.1 3.15 3.85 1.35 1.65 2.46 3.76 4.76 0.44 0.44 0.44 ±1.0 Unit Conditions VOUT VOUT IOUT *VIN IOUT *VIN VCC, (OE) VIL, VCC, VCC, VOLD 1.65 VOHD 3.85
Symbol
Parameter Minimum High Level Input Voltage Maximum Level Input Voltage Minimum High Level Output Voltage
±0.5
±5.0
IOLD IOHD
*All outputs loaded; thresholds input associated with output under test. Maximum test duration output loaded time. NOTE: guaranteed less than equal respective limit VCC.
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MC74AC540, MC74ACT540, MC74AC541, MC74ACT541
CHARACTERISTICS (For Figures Waveforms AND8277/D www.onsemi.com)
74AC +25°C 10.5 11.5 12.5 74AC -40°C +85°C 12.5 11.5 10.5 10.5 Unit
Symbol tPLH tPHL tPZH tPZL tPHZ tPLZ tPLH tPHL tPZH tPZL tPHZ tPLZ
Parameter Propagation Delay Data Output (AC540) Propagation Delay Data Output (AC540) Output Enable Time (AC540) Output Enable Time (AC540) Output Disable Time (AC540) Output Disable Time (AC540) Propagation Delay Data Output (AC541) Propagation Delay Data Output (AC541) Output Enable Time (AC541) Output Enable Time (AC541) Output Disable Time (AC541) Output Disable Time (AC541)
VCC*
Fig.
*Voltage Range ±0.3 Voltage Range ±0.5
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MC74AC540, MC74ACT540, MC74AC541, MC74ACT541
CHARACTERISTICS
74ACT Maximum Level Output Voltage DICCT Maximum Input Leakage Current Additional Max. ICC/Input Maximum 3-State Current Minimum Dynamic Output Current Maximum Quiescent Supply Current +25°C 4.49 5.49 0.001 0.001 3.86 4.86 0.36 0.36 ±0.1 ±0.5 74ACT -40°C +85°C Guaranteed Limits 3.76 4.76 0.44 0.44 ±1.0 ±5.0 Unit Conditions VOUT VOUT IOUT *VIN IOUT *VIN VCC, (OE) VIL, VCC, VCC, VOLD 1.65 VOHD 3.85
Symbol
Parameter Minimum High Level Input Voltage Maximum Level Input Voltage Minimum High Level Output Voltage
IOLD IOHD
*All outputs loaded; thresholds input associated with output under test. Maximum test duration output loaded time.
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MC74AC540, MC74ACT540, MC74AC541, MC74ACT541
CHARACTERISTICS (For Figures Waveforms AND8277/D www.onsemi.com)
74ACT Symbol Parameter VCC* tPLH tPHL tPZH tPZL tPHZ tPLZ tPLH tPHL tPZH tPZL tPHZ tPLZ Propagation Delay Data Output (ACT540) Propagation Delay Data Output (ACT540) Output Enable Time (ACT540) Output Enable Time (ACT540) Output Disable Time (ACT540) Output Disable Time (ACT540) Propagation Delay Data Output (ACT541) Propagation Delay Data Output (ACT541) Output Enable Time (ACT541) Output Enable Time (ACT541) Output Disable Time (ACT541) Output Disable Time (ACT541) +25°C 10.5 12.0 10.0 11.0 74ACT -40°C +85°C 11.5 10.5 12.5 11.0 10.5 12.0 Unit Fig.
*Voltage Range ±0.5
CAPACITANCE
Symbol Input Capacitance Power Dissipation Capacitance Parameter Value Unit Test Conditions
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MC74AC540, MC74ACT540, MC74AC541, MC74ACT541
ORDERING INFORMATION
Device MC74AC540N MC74AC540NG MC74ACT540N MC74ACT540NG MC74AC540DW MC74AC540DWG MC74AC540DWR2 MC74AC540DWR2G MC74ACT540DW MC74ACT540DWG MC74ACT540DWR2 MC74ACT540DWR2G MC74ACT540DTR2 MC74ACT540DTR2G MC74ACT540MEL MC74ACT540MELG MC74AC541N MC74AC541NG MC74ACT541N MC74ACT541NG MC74AC541DW MC74AC541DWG MC74AC541DWR2 MC74AC541DWR2G MC74ACT541DW MC74ACT541DWG MC74ACT541DWR2 MC74ACT541DWR2G Package PDIP-20 PDIP-20 (Pb-Free) PDIP-20 PDIP-20 (Pb-Free) SOIC-20 SOIC-20 (Pb-Free) SOIC-20 SOIC-20 (Pb-Free) SOIC-20 SOIC-20 (Pb-Free) SOIC-20 SOIC-20 (Pb-Free) TSSOP-20* TSSOP-20* SOEIAJ-20 SOEIAJ-20 (Pb-Free) PDIP-20 PDIP-20 (Pb-Free) PDIP-20 PDIP-20 (Pb-Free) SOIC-20 SOIC-20 (Pb-Free) SOIC-20 SOIC-20 (Pb-Free) SOIC-20 SOIC-20 (Pb-Free) SOIC-20 SOIC-20 (Pb-Free) 1000 Tape Reel Units Rail 1000 Tape Reel Units Rail Units Rail 2000 Tape Reel 2500 Tape Reel 1000 Tape Reel Units Rail 1000 Tape Reel Units Rail Units Rail Shipping
information tape reel specifications, including part orientation tape sizes, please refer Tape Reel Packaging Specifications Brochure, BRD8011/D. *These packages inherently Pb-Free.
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MC74AC540, MC74ACT540, MC74AC541, MC74ACT541
ORDERING INFORMATION (continued)
Device MC74AC541DTR2 MC74AC541DTR2G MC74ACT541DT MC74ACT541DTG MC74ACT541DTR2 MC74ACT541DTR2G MC74AC541M MC74AC541MG MC74AC541MEL MC74AC541MELG MC74ACT541M MC74ACT541MG MC74ACT541MEL MC74ACT541MELG Package TSSOP-20* TSSOP-20* TSSOP-20* TSSOP-20* TSSOP-20* TSSOP-20* SOEIAJ-20 SOEIAJ-20 (Pb-Free) SOEIAJ-20 SOEIAJ-20 (Pb-Free) SOEIAJ-20 SOEIAJ-20 (Pb-Free) SOEIAJ-20 SOEIAJ-20 (Pb-Free) 2000 Tape Reel Units Rail 2000 Tape Reel Units Rail 2500 Tape Reel Units Rail 2500 Tape Reel Shipping
information tape reel specifications, including part orientation tape sizes, please refer Tape Reel Packaging Specifications Brochure, BRD8011/D. *These packages inherently Pb-Free.
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MC74AC540, MC74ACT540, MC74AC541, MC74ACT541
MARKING DIAGRAMS
PDIP-20
SOIC-20W
TSSOP-20
SOEIAJ-20
MC74AC54xN AWLYYWWG AC54x AWLYYWWG
ALYWG
74AC54x AWLYWWG
MC74ACT54xN AWLYYWWG ACT54x AWLYYWWG
ALYWG
74ACT54x AWLYWWG
Assembly Location Wafer Year Work Week Pb-Free Package (Note: Microdot either location)
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MC74AC540, MC74ACT540, MC74AC541, MC74ACT541
PACKAGE DIMENSIONS
PDIP-20 SUFFIX PLASTIC PACKAGE CASE 738-03 ISSUE
NOTES: DIMENSIONING TOLERANCING ANSI Y14.5M, 1982. CONTROLLING DIMENSION: INCH. DIMENSION CENTER LEAD WHEN FORMED PARALLEL. DIMENSION DOES INCLUDE MOLD FLASH.
SEATING PLANE
0.25 (0.010)
0.25 (0.010)
INCHES 1.010 1.070 0.240 0.260 0.150 0.180 0.015 0.022 0.050 0.050 0.070 0.100 0.008 0.015 0.110 0.140 0.300 0.020 0.040
MILLIMETERS 25.66 27.17 6.10 6.60 3.81 4.57 0.39 0.55 1.27 1.27 1.77 2.54 0.21 0.38 2.80 3.55 7.62 0.51 1.01
SOIC-20W SUFFIX CASE 751D-05 ISSUE
0.25
NOTES: DIMENSIONS MILLIMETERS. INTERPRET DIMENSIONS TOLERANCES ASME Y14.5M, 1994. DIMENSIONS INCLUDE MOLD PROTRUSION. MAXIMUM MOLD PROTRUSION 0.15 SIDE. DIMENSION DOES INCLUDE DAMBAR PROTRUSION. ALLOWABLE PROTRUSION SHALL 0.13 TOTAL EXCESS DIMENSION MAXIMUM MATERIAL CONDITION. MILLIMETERS 2.35 2.65 0.10 0.25 0.35 0.49 0.23 0.32 12.65 12.95 7.40 7.60 1.27 10.05 10.55 0.25 0.75 0.50 0.90
0.25
SEATING PLANE
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MC74AC540, MC74ACT540, MC74AC541, MC74ACT541
PACKAGE DIMENSIONS
TSSOP-20 SUFFIX CASE 948E-02 ISSUE
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 INCHES 6.40 6.60 0.252 0.260 4.30 4.50 0.169 0.177 1.20 0.047 0.05 0.15 0.002 0.006 0.50 0.75 0.020 0.030 0.65 0.026 0.27 0.37 0.011 0.015 0.09 0.20 0.004 0.008 0.09 0.16 0.004 0.006 0.19 0.30 0.007 0.012 0.19 0.25 0.007 0.010 6.40 0.252
IDENT
0.15 (0.006)
DETAIL
0.100 (0.004) SEATING
PLANE
DETAIL
SOLDERING FOOTPRINT*
7.06
0.36
1.26
*For additional information Pb-Free strategy soldering details, please download Semiconductor Soldering Mounting Techniques Reference Manual, SOLDERRM/D.
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SECTION 0.25 (0.010)
0.15 (0.006)
0.10 (0.004)
0.65 PITCH
DIMENSIONS: MILLIMETERS
MC74AC540, MC74ACT540, MC74AC541, MC74ACT541
PACKAGE DIMENSIONS
SOEIAJ-20 SUFFIX CASE 967-01 ISSUE
DETAIL
VIEW
NOTES: DIMENSIONING TOLERANCING ANSI Y14.5M, 1982. CONTROLLING DIMENSION: MILLIMETER. DIMENSIONS INCLUDE MOLD FLASH PROTRUSIONS MEASURED PARTING LINE. MOLD FLASH PROTRUSIONS SHALL EXCEED 0.15 (0.006) SIDE. TERMINAL NUMBERS SHOWN REFERENCE ONLY. LEAD WIDTH DIMENSION DOES INCLUDE DAMBAR PROTRUSION. ALLOWABLE DAMBAR PROTRUSION SHALL 0.08 (0.003) TOTAL EXCESS LEAD WIDTH DIMENSION MAXIMUM MATERIAL CONDITION. DAMBAR CANNOT LOCATED LOWER RADIUS FOOT. MINIMUM SPACE BETWEEN PROTRUSIONS ADJACENT LEAD 0.46 0.018). MILLIMETERS 2.05 0.05 0.20 0.35 0.50 0.15 0.25 12.35 12.80 5.10 5.45 1.27 7.40 8.20 0.50 0.85 1.10 1.50 0.70 0.90 0.81 INCHES 0.081 0.002 0.008 0.014 0.020 0.006 0.010 0.486 0.504 0.201 0.215 0.050 0.291 0.323 0.020 0.033 0.043 0.059 0.028 0.035 0.032
0.13 (0.005)
0.10 (0.004)
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MC74AC540/D
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