MC74AC374/74ACT374 high-speed, low-power octal D-type flip-flop featur
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MC74AC374, MC74ACT374 Octal D-Type Flip-Flop with 3-State Outputs
MC74AC374/74ACT374 high-speed, low-power octal D-type flip-flop featuring separate D-type inputs each flip-flop 3-state outputs bus-oriented applications. buffered Clock (CP) Output Enable (OE) common flip-flops.
PDIP-20 SUFFIX CASE
Buffered Positive Edge-Triggered Clock 3-State Outputs Bus-Oriented Applications Outputs Source/Sink MC74AC273 Reset Version MC74AC377 Clock Enable Version MC74AC373 Transparent Latch Version MC74AC574 Broadside Pinout Version MC74AC564 Broadside Pinout Version with Inverted Outputs ACT374 Compatible Inputs
SO-20 SUFFIX CASE
TSSOP-20 SUFFIX CASE 948E EIAJ-20 SUFFIX CASE
ORDERING INFORMATION
Device MC74AC374N MC74ACT374N MC74AC374DW MC74AC374DWR2 MC74ACT374DW Package PDIP-20 PDIP-20 SOIC-20 SOIC-20 SOIC-20 SOIC-20 TSSOP-20 Shipping Units/Rail Units/Rail Units/Rail 1000 Tape Reel Units/Rail 1000 Tape Reel Units/Rail
Figure Pinout: Lead Packages Conductors (Top View)
ASSIGNMENT
D0-D7 O0-O7 FUNCTION Data Inputs Clock Pulse Input 3-State Output Enable Input 3-State Outputs
MC74ACT374DWR2 MC74AC374DT MC74AC374DTR2 MC74ACT374DT MC74ACT374DTR2 MC74AC374M MC74AC374MEL
TSSOP-20 2500 Tape Reel TSSOP-20 Units/Rail
TSSOP-20 2500 Tape Reel EIAJ-20 EIAJ-20 EIAJ-20 EIAJ-20 Units/Rail 2000 Tape Reel Units/Rail 2000 Tape Reel
MC74ACT374M MC74ACT374MEL
DEVICE MARKING INFORMATION
general marking information device marking section page this data sheet.
Figure Logic Symbol
Semiconductor Components Industries, LLC, 2001
May, 2001 Rev.
Publication Order Number: MC74AC374/D
MC74AC374, MC74ACT374
TRUTH TABLE
Inputs Outputs
HIGH Voltage Level Voltage Level Immaterial High Impedance LOW-to-HIGH Transition
FUNCTIONAL DESCRIPTION MC74AC374/74ACT374 consists eight edge- triggered flip-flops with individual D-type inputs 3-state true outputs. buffered clock buffered Output Enable common flip-flops. eight flip-flops will store state their individual inputs that meet setup hold time requirements LOW-to-HIGH Clock (CP) transition. With Output Enable (OE) LOW, contents eight flip-flops available outputs. When HIGH, outputs high impedance state. Operation input does affect state flip-flops.
NOTE:
That this diagram provided only understanding logic operations should used estimate propagation delays.
Figure Logic Diagram 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.
MC74AC374, MC74ACT374
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.
CHARACTERISTICS
74AC Symbol Parameter +25°C Minimum High Level Input Voltage Maximum Level Input Voltage Minimum High Level Output Voltage Maximum Level Output Voltage Maximum Input Leakage Current Maximum 3-State Current 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 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,
±0.5
±5.0
*All outputs loaded; thresholds input associated with output under test. Maximum test duration output loaded time. NOTE: guaranteed less than equal respective limit VCC.
MC74AC374, MC74ACT374
CHARACTERISTICS (continued)
74AC Symbol Parameter +25°C IOLD IOHD Minimum Dynamic Current Output Maximum Quiescent esce Supply Current 74AC -40°C +85°C Unit Conditions
Guaranteed Limits VOLD 1.65 VOHD 3.85
*All outputs loaded; thresholds input associated with output under test. Maximum test duration output loaded time. NOTE: guaranteed less than equal respective limit VCC.
CHARACTERISTICS (For Figures Waveforms Section Semiconductor FACT Data Book, DL138/D)
74AC Symbol Parameter VCC* fmax tPLH tPHL tPZH tPZL tPHZ tPLZ Maximum Clock Frequency Propagation Delay Propagation Delay Output Enable Time Output Enable Time Output Disable Time Output Disable Time +25°C 10.5 13.5 12.5 11.5 11.5 12.5 11.5 74AC -40°C +85°C 15.5 10.5 14.5 12.5 12.5 Unit Fig.
*Voltage Range ±0.3 Voltage Range ±0.5
OPERATING REQUIREMENTS
74AC Symbol Parameter VCC* Setup Time, HIGH Hold Time, HIGH Pulse Width HIGH -1.0 +25°C 74AC -40°C +85°C Unit Fig.
Guaranteed Minimum
*Voltage Range ±0.3 Voltage Range ±0.5
MC74AC374, MC74ACT374
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 esce Supply Current 4.49 5.49 0.001 0.001 74ACT -40°C +85°C Unit Conditions
Guaranteed Limits 3.86 4.86 0.36 0.36 ±0.1 ±0.5 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
*All outputs loaded; thresholds input associated with output under test. Maximum test duration output loaded time.
CHARACTERISTICS (For Figures Waveforms Section Semiconductor FACT Data Book, DL138/D)
74ACT Symbol Parameter VCC* fmax tPLH tPHL tPZH tPZL tPHZ tPLZ Maximum Clock Frequency Propagation Delay agation agation Propagation Delay Output Enable Time Output Enable Time Output Disable Time Output Disable Time +25°C 11.5 74ACT -40°C +85°C 11.5 10.5 10.5 12.5 Unit Fig.
*Voltage Range ±0.5
MC74AC374, MC74ACT374
OPERATING REQUIREMENTS
74ACT Symbol Parameter VCC* Setu Setup Time, HIGH Hold Time, HIGH Pulse Width HIGH +25°C 74ACT -40°C +85°C Unit Fig.
Guaranteed Minimum
*Voltage Range ±0.5
CAPACITANCE
Symbol Input Capacitance Power Dissipation Capacitance Parameter Value Unit Test Conditions
MC74AC374, MC74ACT374
MARKING DIAGRAMS
PDIP-20 MC74AC374N AWLYYWW SO-20 AC374 AWLYYWW TSSOP-20 EIAJ-20
ALYW
74AC374 AWLYWW
MC74ACT374N AWLYYWW
ACT374 AWLYYWW
ALYW
74ACT374 AWLYWW
Assembly Location Wafer Year Work Week
MC74AC374, MC74ACT374
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. 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
SEATING PLANE
0.25 (0.010)
0.25 (0.010)
SO-20 SUFFIX PLASTIC SOIC PACKAGE CASE 751D-05 ISSUE
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
0.25
SEATING PLANE
MC74AC374, MC74ACT374
PACKAGE DIMENSIONS
TSSOP-20 SUFFIX PLASTIC TSSOP PACKAGE CASE 948E-02 ISSUE
0.15 (0.006)
0.10 (0.004)
IDENT
SECTION 0.25 (0.010)
0.15 (0.006)
0.100 (0.004) SEATING
PLANE
DETAIL
EIAJ-20 SUFFIX PLASTIC EIAJ PACKAGE CASE 967-01 ISSUE
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 0.18 0.27 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 0.007 0.011 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
DETAIL
VIEW
0.13 (0.005)
0.10 (0.004)
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 6.40 6.60 4.30 4.50 -1.20 0.05 0.15 0.50 0.75 0.65 0.27 0.37 0.09 0.20 0.09 0.16 0.19 0.30 0.19 0.25 6.40 INCHES 0.252 0.260 0.169 0.177 -0.047 0.002 0.006 0.020 0.030 0.026 0.011 0.015 0.004 0.008 0.004 0.006 0.007 0.012 0.007 0.010 0.252
MC74AC374, MC74ACT374
Notes
MC74AC374, MC74ACT374
Notes
MC74AC374, MC74ACT374
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MC74AC374/D
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