MM74HC521N vs QS74FCT280BTH feature comparison

MM74HC521N Fairchild Semiconductor Corporation

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QS74FCT280BTH Quality Semiconductor Inc

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Part Life Cycle Code Obsolete Obsolete
Ihs Manufacturer FAIRCHILD SEMICONDUCTOR CORP QUALITY SEMICONDUCTOR INC
Part Package Code DIP
Package Description DIP-20 ,
Pin Count 20
Reach Compliance Code unknown unknown
HTS Code 8542.39.00.01
Additional Feature CASCADABLE ODD/EVEN PARITY GENERATOR
Family HC/UH FCT
JESD-30 Code R-PDIP-T20 R-CDSO-G20
Length 26.075 mm
Logic IC Type IDENTITY COMPARATOR PARITY GENERATOR/CHECKER
Number of Bits 8 9
Number of Functions 1 1
Number of Terminals 20 20
Operating Temperature-Max 85 °C 70 °C
Operating Temperature-Min -40 °C
Output Polarity INVERTED COMPLEMENTARY
Package Body Material PLASTIC/EPOXY CERAMIC, METAL-SEALED COFIRED
Package Code DIP SOP
Package Equivalence Code DIP20,.3
Package Shape RECTANGULAR RECTANGULAR
Package Style IN-LINE SMALL OUTLINE
Propagation Delay (tpd) 44 ns 6.3 ns
Qualification Status Not Qualified Not Qualified
Seated Height-Max 5.08 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 NO YES
Technology CMOS CMOS
Temperature Grade INDUSTRIAL COMMERCIAL
Terminal Form THROUGH-HOLE GULL WING
Terminal Pitch 2.54 mm
Terminal Position DUAL DUAL
Width 7.62 mm
Base Number Matches 1 1
Load Capacitance (CL) 50 pF

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