MC74F521ND vs 74F521PCQR feature comparison

MC74F521ND Motorola Semiconductor Products

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74F521PCQR Rochester Electronics LLC

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Rohs Code No
Part Life Cycle Code Obsolete Active
Ihs Manufacturer MOTOROLA INC ROCHESTER ELECTRONICS LLC
Package Description DIP, DIP20,.3 DIP,
Reach Compliance Code unknown unknown
HTS Code 8542.39.00.01 8542.39.00.01
Additional Feature CASCADABLE CASCADABLE
Family F/FAST F/FAST
JESD-30 Code R-PDIP-T20 R-PDIP-T20
JESD-609 Code e0
Length 26.415 mm 24.895 mm
Load Capacitance (CL) 50 pF
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 70 °C 70 °C
Operating Temperature-Min
Output Polarity INVERTED INVERTED
Package Body Material PLASTIC/EPOXY PLASTIC/EPOXY
Package Code DIP DIP
Package Equivalence Code DIP20,.3 DIP20,.3
Package Shape RECTANGULAR RECTANGULAR
Package Style IN-LINE IN-LINE
Power Supply Current-Max (ICC) 32 mA
Propagation Delay (tpd) 11 ns 11 ns
Qualification Status Not Qualified
Seated Height-Max 4.57 mm 5.08 mm
Supply Voltage-Max (Vsup) 5.5 V 5.25 V
Supply Voltage-Min (Vsup) 4.5 V 4.75 V
Supply Voltage-Nom (Vsup) 5 V 5 V
Surface Mount NO NO
Technology TTL TTL
Temperature Grade COMMERCIAL COMMERCIAL
Terminal Finish TIN LEAD
Terminal Form THROUGH-HOLE THROUGH-HOLE
Terminal Pitch 2.54 mm 2.54 mm
Terminal Position DUAL DUAL
Width 7.62 mm 7.62 mm
Base Number Matches 3 4

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