SN74AS851BN vs SN74AS257D feature comparison

SN74AS851BN Rochester Electronics LLC

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SN74AS257D Texas Instruments

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Part Life Cycle Code Active Active
Ihs Manufacturer ROCHESTER ELECTRONICS LLC TEXAS INSTRUMENTS INC
Package Description DIP, GREEN, PLASTIC, SOIC-16
Reach Compliance Code unknown compliant
HTS Code 8542.39.00.01 8542.39.00.01
Family AS AS
JESD-30 Code R-PDIP-T28 R-PDSO-G16
Length 36.32 mm 9.9 mm
Logic IC Type MULTIPLEXER MULTIPLEXER
Number of Functions 1 4
Number of Inputs 16 2
Number of Outputs 1 1
Number of Terminals 28 16
Operating Temperature-Max 70 °C 70 °C
Operating Temperature-Min
Output Characteristics 3-STATE 3-STATE
Output Polarity COMPLEMENTARY TRUE
Package Body Material PLASTIC/EPOXY PLASTIC/EPOXY
Package Code DIP SOP
Package Equivalence Code DIP28,.6 SOP16,.25
Package Shape RECTANGULAR RECTANGULAR
Package Style IN-LINE SMALL OUTLINE
Propagation Delay (tpd) 17.5 ns 6 ns
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
Width 15.24 mm 3.9 mm
Base Number Matches 2 1
Pbfree Code Yes
Rohs Code Yes
Part Package Code SOIC
Pin Count 16
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
Packing Method TUBE
Peak Reflow Temperature (Cel) 260
Power Supply Current-Max (ICC) 30.6 mA
Prop. Delay@Nom-Sup 12 ns
Qualification Status Not Qualified
Terminal Finish Nickel/Palladium/Gold (Ni/Pd/Au)
Time@Peak Reflow Temperature-Max (s) NOT SPECIFIED

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