MM74HC251MX_NL vs MM74HC251M feature comparison

MM74HC251MX_NL Fairchild Semiconductor Corporation

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MM74HC251M National Semiconductor Corporation

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Part Life Cycle Code Obsolete Transferred
Ihs Manufacturer FAIRCHILD SEMICONDUCTOR CORP NATIONAL SEMICONDUCTOR CORP
Part Package Code SOIC
Package Description SOP, PLASTIC, SO-16
Pin Count 16
Reach Compliance Code unknown compliant
HTS Code 8542.39.00.01
Family HC/UH HC/UH
JESD-30 Code R-PDSO-G16 R-PDSO-G16
JESD-609 Code e3/e4 e0
Length 9.9 mm 9.9 mm
Logic IC Type MULTIPLEXER MULTIPLEXER
Number of Functions 1 1
Number of Inputs 8 8
Number of Outputs 1 1
Number of Terminals 16 16
Operating Temperature-Max 85 °C 85 °C
Operating Temperature-Min -40 °C -40 °C
Output Characteristics 3-STATE 3-STATE
Output Polarity COMPLEMENTARY COMPLEMENTARY
Package Body Material PLASTIC/EPOXY PLASTIC/EPOXY
Package Code SOP SOP
Package Shape RECTANGULAR RECTANGULAR
Package Style SMALL OUTLINE SMALL OUTLINE
Propagation Delay (tpd) 256 ns 51 ns
Qualification Status Not Qualified Not Qualified
Seated Height-Max 1.75 mm 1.75 mm
Supply Voltage-Max (Vsup) 6 V 6 V
Supply Voltage-Min (Vsup) 2 V 2 V
Supply Voltage-Nom (Vsup) 5 V 5 V
Surface Mount YES YES
Technology CMOS CMOS
Temperature Grade INDUSTRIAL INDUSTRIAL
Terminal Finish MATTE TIN/NICKEL PALLADIUM GOLD Tin/Lead (Sn/Pb)
Terminal Form GULL WING GULL WING
Terminal Pitch 1.27 mm 1.27 mm
Terminal Position DUAL DUAL
Width 3.9 mm 3.9 mm
Base Number Matches 1 4
Rohs Code No
Load Capacitance (CL) 50 pF
Package Equivalence Code SOP16,.25

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