QS74FCT2521CTP vs MM74HC181WM feature comparison

QS74FCT2521CTP Quality Semiconductor Inc

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MM74HC181WM National Semiconductor Corporation

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Rohs Code No No
Part Life Cycle Code Obsolete Obsolete
Ihs Manufacturer QUALITY SEMICONDUCTOR INC NATIONAL SEMICONDUCTOR CORP
Package Description DIP-20 PLASTIC, SO-24
Reach Compliance Code unknown unknown
Additional Feature CASCADABLE CAPABLE OF 16 LOGIC & ARITHMETIC OPERATIONS; INTERNAL CARRY AND HIGHER ORDER LOOKAHEAD
Family FCT HC/UH
JESD-30 Code R-PDIP-T20 R-PDSO-G24
JESD-609 Code e0 e0
Load Capacitance (CL) 50 pF 50 pF
Logic IC Type IDENTITY COMPARATOR ARITHMETIC LOGIC UNIT
Number of Bits 8 4
Number of Functions 1 1
Number of Terminals 20 24
Operating Temperature-Max 70 °C 85 °C
Operating Temperature-Min -40 °C
Output Characteristics SERIES-RESISTOR
Output Polarity INVERTED
Package Body Material PLASTIC/EPOXY PLASTIC/EPOXY
Package Code DIP SOP
Package Equivalence Code DIP20,.3 SOP24,.4
Package Shape RECTANGULAR RECTANGULAR
Package Style IN-LINE SMALL OUTLINE
Propagation Delay (tpd) 4.5 ns 63 ns
Qualification Status Not Qualified Not Qualified
Supply Voltage-Max (Vsup) 5.25 V 6 V
Supply Voltage-Min (Vsup) 4.75 V 2 V
Supply Voltage-Nom (Vsup) 5 V 5 V
Surface Mount NO YES
Technology CMOS CMOS
Temperature Grade COMMERCIAL INDUSTRIAL
Terminal Finish TIN LEAD Tin/Lead (Sn/Pb)
Terminal Form THROUGH-HOLE GULL WING
Terminal Pitch 2.54 mm 1.27 mm
Terminal Position DUAL DUAL
Base Number Matches 3 3
Length 15.34 mm
Seated Height-Max 2.642 mm
Width 7.5 mm

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