SN74AHCT257DR vs SN74HCT257DRG4 feature comparison

SN74AHCT257DR Texas Instruments

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SN74HCT257DRG4 Rochester Electronics LLC

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Part Life Cycle Code Obsolete Active
Ihs Manufacturer TEXAS INSTRUMENTS INC ROCHESTER ELECTRONICS LLC
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 AHC HCT
JESD-30 Code R-PDSO-G16 R-PDSO-G16
Length 9.9 mm 9.9 mm
Logic IC Type MULTIPLEXER MULTIPLEXER
Number of Functions 4 4
Number of Inputs 2 2
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 TRUE TRUE
Package Body Material PLASTIC/EPOXY PLASTIC/EPOXY
Package Code SOP SOP
Package Shape RECTANGULAR RECTANGULAR
Package Style SMALL OUTLINE SMALL OUTLINE
Qualification Status Not Qualified
Seated Height-Max 1.75 mm 1.75 mm
Supply Voltage-Max (Vsup) 5.5 V 5.5 V
Supply Voltage-Min (Vsup) 4.5 V 4.5 V
Supply Voltage-Nom (Vsup) 5 V 5 V
Surface Mount YES YES
Technology CMOS CMOS
Temperature Grade INDUSTRIAL INDUSTRIAL
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 2
Propagation Delay (tpd) 48 ns

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