N7421A vs SN74LS21DE4 feature comparison

N7421A NXP Semiconductors

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SN74LS21DE4 Rochester Electronics LLC

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Part Life Cycle Code Obsolete Contact Manufacturer
Ihs Manufacturer NXP SEMICONDUCTORS ROCHESTER ELECTRONICS LLC
Package Description DIP, DIP14,.3 SOP,
Reach Compliance Code unknown unknown
HTS Code 8542.39.00.01 8542.39.00.01
Family TTL/H/L LS
JESD-30 Code R-PDIP-T14 R-PDSO-G14
JESD-609 Code e0 e4
Load Capacitance (CL) 15 pF
Logic IC Type AND GATE AND GATE
Max I(ol) 0.016 A
Number of Functions 2 2
Number of Inputs 4 4
Number of Terminals 14 14
Operating Temperature-Max 70 °C 70 °C
Operating Temperature-Min
Package Body Material PLASTIC/EPOXY PLASTIC/EPOXY
Package Code DIP SOP
Package Equivalence Code DIP14,.3
Package Shape RECTANGULAR RECTANGULAR
Package Style IN-LINE SMALL OUTLINE
Power Supply Current-Max (ICC) 13 mA
Prop. Delay@Nom-Sup 27 ns
Propagation Delay (tpd) 19 ns 20 ns
Qualification Status Not Qualified
Schmitt Trigger NO
Supply Voltage-Max (Vsup) 5.25 V 5.25 V
Supply Voltage-Min (Vsup) 4.75 V 4.75 V
Supply Voltage-Nom (Vsup) 5 V 5 V
Surface Mount NO YES
Technology TTL TTL
Temperature Grade COMMERCIAL COMMERCIAL
Terminal Finish TIN LEAD NICKEL PALLADIUM GOLD
Terminal Form THROUGH-HOLE GULL WING
Terminal Pitch 2.54 mm 1.27 mm
Terminal Position DUAL DUAL
Base Number Matches 3 2
Length 8.65 mm
Seated Height-Max 1.75 mm
Width 3.9 mm

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