74F251ASCQR vs SN74F251DR feature comparison

74F251ASCQR Fairchild Semiconductor Corporation

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SN74F251DR Texas Instruments

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Part Life Cycle Code Obsolete Obsolete
Ihs Manufacturer FAIRCHILD SEMICONDUCTOR CORP TEXAS INSTRUMENTS INC
Part Package Code SOIC
Package Description SOP, SOP,
Pin Count 16
Reach Compliance Code unknown unknown
HTS Code 8542.39.00.01 8542.39.00.01
Family F/FAST F/FAST
JESD-30 Code R-PDSO-G16 R-PDSO-G16
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 70 °C 70 °C
Operating Temperature-Min
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) 9 ns 10 ns
Qualification Status Not Qualified Not Qualified
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 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 1
Load Capacitance (CL) 50 pF
Power Supply Current-Max (ICC) 24 mA

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