SN74AS157N3 vs SN74AS257D feature comparison

SN74AS157N3 Texas Instruments

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SN74AS257D Texas Instruments

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Pbfree Code No Yes
Rohs Code No Yes
Part Life Cycle Code Obsolete Active
Ihs Manufacturer TEXAS INSTRUMENTS INC TEXAS INSTRUMENTS INC
Part Package Code DIP SOIC
Package Description DIP, DIP16,.3 GREEN, PLASTIC, SOIC-16
Pin Count 16 16
Reach Compliance Code not_compliant compliant
HTS Code 8542.39.00.01 8542.39.00.01
Family AS AS
JESD-30 Code R-PDIP-T16 R-PDSO-G16
Length 19.305 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 70 °C 70 °C
Operating Temperature-Min
Output Polarity TRUE TRUE
Package Body Material PLASTIC/EPOXY PLASTIC/EPOXY
Package Code DIP SOP
Package Equivalence Code DIP16,.3 SOP16,.25
Package Shape RECTANGULAR RECTANGULAR
Package Style IN-LINE SMALL OUTLINE
Peak Reflow Temperature (Cel) NOT SPECIFIED 260
Propagation Delay (tpd) 6 ns 6 ns
Qualification Status Not Qualified Not Qualified
Seated Height-Max 5.08 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 NO YES
Technology TTL TTL
Temperature Grade COMMERCIAL COMMERCIAL
Terminal Form THROUGH-HOLE GULL WING
Terminal Pitch 2.54 mm 1.27 mm
Terminal Position DUAL DUAL
Time@Peak Reflow Temperature-Max (s) NOT SPECIFIED NOT SPECIFIED
Width 7.62 mm 3.9 mm
Base Number Matches 1 8
ECCN Code EAR99
Samacsys Manufacturer Texas Instruments
JESD-609 Code e4
Load Capacitance (CL) 50 pF
Max I(ol) 0.048 A
Moisture Sensitivity Level 1
Number of Bits 2
Output Characteristics 3-STATE
Packing Method TUBE
Power Supply Current-Max (ICC) 30.6 mA
Prop. Delay@Nom-Sup 12 ns
Terminal Finish Nickel/Palladium/Gold (Ni/Pd/Au)

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Compare SN74AS257D with alternatives