SN74LS646DW vs SN74LS646NT feature comparison

SN74LS646DW Rochester Electronics LLC

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SN74LS646NT Rochester Electronics LLC

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Pbfree Code No Yes
Rohs Code Yes
Part Life Cycle Code Active Contact Manufacturer
Ihs Manufacturer ROCHESTER ELECTRONICS LLC ROCHESTER ELECTRONICS LLC
Part Package Code SOIC DIP
Package Description GREEN, PLASTIC, SOIC-24 0.300 INCH, ROHS COMPLIANT, PLASTIC, DIP-24
Pin Count 24 24
Reach Compliance Code unknown unknown
HTS Code 8542.39.00.01 8542.39.00.01
Additional Feature DIRECTION CONTROL; SELECT INPUT FOR MULTIPLEXED TRANSMISSION OF REGISTERED OR REAL TIME DATA DIRECTION CONTROL; SELECT INPUT FOR MULTIPLEXED TRANSMISSION OF REGISTERED OR REAL TIME DATA
Family LS LS
JESD-30 Code R-PDSO-G24 R-PDIP-T24
JESD-609 Code e4 e4
Length 15.4 mm 31.64 mm
Logic IC Type REGISTERED BUS TRANSCEIVER REGISTERED BUS TRANSCEIVER
Moisture Sensitivity Level 1
Number of Bits 8 8
Number of Functions 1 1
Number of Ports 2 2
Number of Terminals 24 24
Operating Temperature-Max 70 °C 70 °C
Operating Temperature-Min
Output Characteristics 3-STATE 3-STATE
Output Polarity TRUE TRUE
Package Body Material PLASTIC/EPOXY PLASTIC/EPOXY
Package Code SOP DIP
Package Shape RECTANGULAR RECTANGULAR
Package Style SMALL OUTLINE IN-LINE
Peak Reflow Temperature (Cel) NOT SPECIFIED NOT SPECIFIED
Propagation Delay (tpd) 35 ns 35 ns
Seated Height-Max 2.65 mm 5.08 mm
Supply Voltage-Max (Vsup) 5.25 V 5.25 V
Supply Voltage-Min (Vsup) 4.75 V 4.75 V
Supply Voltage-Nom (Vsup) 5 V 5 V
Surface Mount YES NO
Technology TTL TTL
Temperature Grade COMMERCIAL COMMERCIAL
Terminal Finish Nickel/Palladium/Gold (Ni/Pd/Au) NICKEL PALLADIUM GOLD
Terminal Form GULL WING THROUGH-HOLE
Terminal Pitch 1.27 mm 2.54 mm
Terminal Position DUAL DUAL
Time@Peak Reflow Temperature-Max (s) NOT SPECIFIED NOT SPECIFIED
Width 7.5 mm 7.62 mm
Base Number Matches 7 5

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