74ACT520PC vs 74F521QC feature comparison

74ACT520PC Fairchild Semiconductor Corporation

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74F521QC National Semiconductor Corporation

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Rohs Code Yes No
Part Life Cycle Code Obsolete Obsolete
Ihs Manufacturer FAIRCHILD SEMICONDUCTOR CORP NATIONAL SEMICONDUCTOR CORP
Part Package Code DIP
Package Description 0.300 INCH, PLASTIC, MS-001, DIP-20 QCCJ, LDCC20,.4SQ
Pin Count 20
Reach Compliance Code compliant unknown
HTS Code 8542.39.00.01 8542.39.00.01
Additional Feature WITH PULLUP RESISTORS ON B INPUTS; CASCADABLE CASCADABLE
Family ACT F/FAST
JESD-30 Code R-PDIP-T20 S-PQCC-J20
JESD-609 Code e3 e0
Length 26.075 mm 8.89 mm
Logic IC Type IDENTITY COMPARATOR IDENTITY COMPARATOR
Number of Bits 8 8
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 INVERTED
Package Body Material PLASTIC/EPOXY PLASTIC/EPOXY
Package Code DIP QCCJ
Package Equivalence Code DIP20,.3 LDCC20,.4SQ
Package Shape RECTANGULAR SQUARE
Package Style IN-LINE CHIP CARRIER
Propagation Delay (tpd) 11.5 ns 11 ns
Qualification Status Not Qualified Not Qualified
Seated Height-Max 5.08 mm 4.57 mm
Supply Voltage-Max (Vsup) 5.5 V 5.5 V
Supply Voltage-Min (Vsup) 4.5 V 4.5 V
Supply Voltage-Nom (Vsup) 5 V 5 V
Surface Mount NO YES
Technology CMOS TTL
Temperature Grade INDUSTRIAL COMMERCIAL
Terminal Finish MATTE TIN TIN LEAD
Terminal Form THROUGH-HOLE J BEND
Terminal Pitch 2.54 mm 1.27 mm
Terminal Position DUAL QUAD
Width 7.62 mm 8.89 mm
Base Number Matches 3 1

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