54LS279LMQB vs SN74LS279DR2 feature comparison

54LS279LMQB Fairchild Semiconductor Corporation

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SN74LS279DR2 Motorola Semiconductor Products

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Rohs Code No No
Part Life Cycle Code Obsolete Obsolete
Ihs Manufacturer FAIRCHILD SEMICONDUCTOR CORP MOTOROLA INC
Part Package Code QLCC
Package Description CERAMIC, LCC-20 PLASTIC, SOIC-16
Pin Count 20
Reach Compliance Code compliant unknown
HTS Code 8542.39.00.01 8542.39.00.01
Additional Feature WITH DUAL S INPUT FOR TWO FUNCTIONS WITH DUAL S INPUT FOR TWO FUNCTIONS
Family LS LS
JESD-30 Code S-CQCC-N20 R-PDSO-G16
JESD-609 Code e0 e0
Length 8.89 mm 9.9 mm
Logic IC Type R-S LATCH R-S LATCH
Max I(ol) 0.004 A 0.008 A
Number of Bits 2 2
Number of Functions 4 4
Number of Terminals 20 16
Operating Temperature-Max 125 °C 70 °C
Operating Temperature-Min -55 °C
Output Polarity TRUE TRUE
Package Body Material CERAMIC, METAL-SEALED COFIRED PLASTIC/EPOXY
Package Code QCCN SOP
Package Equivalence Code LCC20,.35SQ SOP16,.25
Package Shape SQUARE RECTANGULAR
Package Style CHIP CARRIER SMALL OUTLINE
Power Supply Current-Max (ICC) 7 mA 7 mA
Prop. Delay@Nom-Sup 27 ns 27 ns
Propagation Delay (tpd) 33 ns 27 ns
Qualification Status Not Qualified Not Qualified
Screening Level MIL-STD-883 Class B
Seated Height-Max 1.905 mm 1.75 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 YES YES
Technology TTL TTL
Temperature Grade MILITARY COMMERCIAL
Terminal Finish TIN LEAD TIN LEAD
Terminal Form NO LEAD GULL WING
Terminal Pitch 1.27 mm 1.27 mm
Terminal Position QUAD DUAL
Trigger Type LOW LEVEL LOW LEVEL
Width 8.89 mm 3.9 mm
Base Number Matches 2 1
Load Capacitance (CL) 15 pF
Packing Method TR

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