MC74AC353/74ACT353 dual 4-input multiplexer with 3-state outputs. sele
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MC74AC353 MC74ACT353 Dual Input Multiplexer with State Outputs
MC74AC353/74ACT353 dual 4-input multiplexer with 3-state outputs. select bits data from four sources using common Select inputs. outputs individually switched high impedance state with HIGH respective Output Enable (OE) inputs, allowing outputs interface directly with bus-oriented systems. Inverted Version MC74AC253/74ACT253 Multifunction Capability Separate Enables Each Multiplexer Outputs Source/Sink ACT353 Compatible Inputs
NAMES I0a-I3a I0b-I3b Side Data Inputs Side Data Inputs Common Select Inputs Side Enable Input Side Enable Input Multiplexer Outputs
DUAL 4-INPUT MULTIPLEXER WITH 3-STATE OUTPUTS
SUFFIX CASE 648-08 PLASTIC
SUFFIX CASE 751B-05 PLASTIC
TRUTH TABLE
Select Inputs Data Inputs Output Enable Outputs
LOGIC SYMBOL
Address inputs common both sections. HIGH Voltage Level Voltage Level Immaterial High Impedance
FACT DATA
MC74AC353 MC74ACT353
FUNCTIONAL DESCRIPTION
MC74AC353/74ACT353 contains identical 4-input multiplexers with 3-state outputs. They select bits from four sources selected common Select inputs (S0, S1). 4-input multiplexers have individual Output Enable (OEa, OEb) inputs which, when HIGH, force outputs high impedance (High state. logic equations outputs shown below: outputs 3-state devices tied together, device must high impedance state avoid high currents that would exceed maximum ratings. Designers should ensure that Output Enable signals 3-state devices whose outputs tied together designed that there overlap.
LOGIC DIAGRAM
Please note that this diagram provided only understanding logic operations should used estimate propagation delays.
FACT DATA
MC74AC353 MC74ACT353
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
Maximum Ratings those values beyond which damage device occur. Functional operation should restricted Recommended Operating Conditions.
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.
FACT DATA
MC74AC353 MC74ACT353
CHARACTERISTICS
74AC Symbol Parameter +25°C Minimum High Level Input Voltage Maximum Level Output Voltage Maximum Input Leakage Current Maximum 3-State Current Minimum Dynamic Output Current Maximum Quiescent Supply Current 0.002 0.001 0.001 2.25 2.75 2.25 2.75 2.99 4.49 5.49 74AC -40°C +85°C Unit Conditions
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 VOUT VOUT IOUT *VIN IOUT *VIN VCC, (OE) VIL, VCC, VCC, VOLD 1.65 VOHD 3.85
Maximum Level Input Voltage
Minimum High Level Output Voltage
±0.5
±5.0
IOLD IOHD
outputs loaded; thresholds input associated with output under test. Maximum test duration output loaded time. Note: guaranteed less than equal respective limit VCC.
FACT DATA
MC74AC353 MC74ACT353
CHARACTERISTICS (For Figures Waveforms Section
74AC Symbol Parameter VCC* tPLH tPHL tPLH tPHL tPZH tPZL tPHZ tPLZ Propagation Delay Propagation Delay Propagation Delay Propagation Delay Output Enable Time Output Enable Time Output Disable Time Output Disable Time +25°C 15.5 11.0 16.0 11.5 14.5 10.0 13.0 74AC -40°C +85°C 17.5 12.5 18.0 13.0 17.0 11.5 15.0 11.0 10.0 Unit Fig.
Voltage Range ±0.3 Voltage Range ±0.5
FACT DATA
MC74AC353 MC74ACT353
CHARACTERISTICS
74ACT Symbol Parameter +25°C Minimum High Level Input Voltage Maximum Level Input Voltage Minimum High Level Output Voltage Maximum Level Output Voltage ICCT Maximum Input Leakage Current Additional Max. ICC/Input Maximum 3-State Current Minimum Dynamic Output Current Maximum Quiescent Supply Current ±0.5 0.001 0.001 4.49 5.49 74ACT -40°C +85°C Unit Conditions
Guaranteed Limits 3.86 4.86 0.36 0.36 ±0.1 3.76 4.76 0.44 0.44 ±1.0 ±5.0 VOUT VOUT IOUT *VIN IOUT *VIN VCC, (OE) VIL, VCC, VCC, VOLD 1.65 VOHD 3.85
IOLD IOHD
outputs loaded; thresholds input associated with output under test. Maximum test duration output loaded time.
FACT DATA
MC74AC353 MC74ACT353
CHARACTERISTICS (For Figures Waveforms Section
74ACT Symbol Parameter VCC* tPLH tPHL tPLH tPHL tPZH tPZL tPHZ tPLZ Propagation Delay Propagation Delay Propagation Delay Propagation Delay Output Enable Time, Output Enable Time Output Disable Time Output Disable Time +25°C 10.0 10.0 10.0 74ACT -40°C +85°C 11.5 11.5 11.0 Unit Fig.
Voltage Range ±0.5
CAPACITANCE
Symbol Input Capacitance Power Dissipation Capacitance Parameter Value Unit Test Conditions
FACT DATA
MC74AC353 MC74ACT353
OUTLINE DIMENSIONS
SUFFIX PLASTIC PACKAGE 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 0.740 0.770 0.250 0.270 0.145 0.175 0.015 0.021 0.040 0.70 0.100 0.050 0.008 0.015 0.110 0.130 0.295 0.305 0.020 0.040 MILLIMETERS 18.80 19.55 6.35 6.85 3.69 4.44 0.39 0.53 1.02 1.77 2.54 1.27 0.21 0.38 2.80 3.30 7.50 7.74 0.51 1.01
SEATING PLANE
0.25 (0.010)
SUFFIX PLASTIC SOIC PACKAGE CASE 751B-05 ISSUE
0.25 (0.010)
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 3.80 4.00 1.35 1.75 0.35 0.49 0.40 1.25 1.27 0.19 0.25 0.10 0.25 5.80 6.20 0.25 0.50 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
SEATING PLANE
0.25 (0.010)
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JAPAN: Nippon Motorola Ltd.; Tatsumi-SPD-JLDC, Toshikatsu Otsuki, Seibu-Butsuryu-Center, 3-14-2 Tatsumi Koto-Ku, Tokyo 135, Japan. 03-3521-8315 HONG KONG: Motorola Semiconductors H.K. Ltd.; Ping Industrial Park, Ting Road, N.T., Hong Kong. 852-26629298
FACT DATA
*MC74AC353/D*
MC74AC353/D
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