SN74LS20DR vs SN74AS20DRE4 feature comparison

SN74LS20DR Texas Instruments

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SN74AS20DRE4 Texas Instruments

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Pbfree Code Yes Yes
Rohs Code Yes Yes
Part Life Cycle Code Active Obsolete
Ihs Manufacturer TEXAS INSTRUMENTS INC TEXAS INSTRUMENTS INC
Part Package Code SOIC SOIC
Package Description GREEN, PLASTIC, MS-012AB, SOIC-14 SOP, SOP14,.25
Pin Count 14 14
Reach Compliance Code compliant compliant
ECCN Code EAR99
HTS Code 8542.39.00.01 8542.39.00.01
Samacsys Manufacturer Texas Instruments
Family LS AS
JESD-30 Code R-PDSO-G14 R-PDSO-G14
JESD-609 Code e4
Length 8.65 mm 8.65 mm
Load Capacitance (CL) 15 pF 50 pF
Logic IC Type NAND GATE NAND GATE
Max I(ol) 0.016 A 0.02 A
Moisture Sensitivity Level 1
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 SOP SOP
Package Equivalence Code SOP14,.25 SOP14,.25
Package Shape RECTANGULAR RECTANGULAR
Package Style SMALL OUTLINE SMALL OUTLINE
Packing Method TR TR
Peak Reflow Temperature (Cel) 260 NOT SPECIFIED
Power Supply Current-Max (ICC) 2.2 mA 8.7 mA
Prop. Delay@Nom-Sup 15 ns 5 ns
Propagation Delay (tpd) 15 ns 4.5 ns
Qualification Status Not Qualified Not Qualified
Schmitt Trigger NO NO
Seated Height-Max 1.75 mm 1.75 mm
Supply Voltage-Max (Vsup) 5.25 V 5.5 V
Supply Voltage-Min (Vsup) 4.75 V 4.5 V
Supply Voltage-Nom (Vsup) 5 V 5 V
Surface Mount YES YES
Technology TTL TTL
Temperature Grade COMMERCIAL COMMERCIAL
Terminal Finish Nickel/Palladium/Gold (Ni/Pd/Au)
Terminal Form GULL WING GULL WING
Terminal Pitch 1.27 mm 1.27 mm
Terminal Position DUAL DUAL
Time@Peak Reflow Temperature-Max (s) NOT SPECIFIED NOT SPECIFIED
Width 3.9 mm 3.9 mm
Base Number Matches 3 1

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