MM74HC181WM vs 74FCT521AFCQR feature comparison

MM74HC181WM National Semiconductor Corporation

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74FCT521AFCQR Texas Instruments

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Rohs Code No
Part Life Cycle Code Obsolete Obsolete
Ihs Manufacturer NATIONAL SEMICONDUCTOR CORP NATIONAL SEMICONDUCTOR CORP
Package Description PLASTIC, SO-24 DFP,
Reach Compliance Code unknown unknown
Additional Feature CAPABLE OF 16 LOGIC & ARITHMETIC OPERATIONS; INTERNAL CARRY AND HIGHER ORDER LOOKAHEAD CASCADABLE
Family HC/UH FCT
JESD-30 Code R-PDSO-G24 R-GDFP-F20
JESD-609 Code e0
Length 15.34 mm
Load Capacitance (CL) 50 pF
Logic IC Type ARITHMETIC LOGIC UNIT IDENTITY COMPARATOR
Number of Bits 4 8
Number of Functions 1 1
Number of Terminals 24 20
Operating Temperature-Max 85 °C 70 °C
Operating Temperature-Min -40 °C
Package Body Material PLASTIC/EPOXY CERAMIC, GLASS-SEALED
Package Code SOP DFP
Package Equivalence Code SOP24,.4
Package Shape RECTANGULAR RECTANGULAR
Package Style SMALL OUTLINE FLATPACK
Propagation Delay (tpd) 63 ns
Qualification Status Not Qualified Not Qualified
Seated Height-Max 2.642 mm 2.286 mm
Supply Voltage-Max (Vsup) 6 V 5.25 V
Supply Voltage-Min (Vsup) 2 V 4.75 V
Supply Voltage-Nom (Vsup) 5 V 5 V
Surface Mount YES YES
Technology CMOS CMOS
Temperature Grade INDUSTRIAL COMMERCIAL
Terminal Finish Tin/Lead (Sn/Pb)
Terminal Form GULL WING FLAT
Terminal Pitch 1.27 mm 1.27 mm
Terminal Position DUAL DUAL
Width 7.5 mm 6.731 mm
Base Number Matches 3 1
HTS Code 8542.39.00.01
Output Polarity INVERTED

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