SN74LS646DW vs SN74LS646JS feature comparison

SN74LS646DW Rochester Electronics LLC

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SN74LS646JS Monolithic Memories (RETIRED)

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Pbfree Code No
Rohs Code Yes No
Part Life Cycle Code Active Obsolete
Ihs Manufacturer ROCHESTER ELECTRONICS LLC MONOLITHIC MEMORIES
Part Package Code SOIC
Package Description GREEN, PLASTIC, SOIC-24 DIP, DIP24,.3
Pin Count 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 WITH DIRECTION CONTROL
Family LS LS
JESD-30 Code R-PDSO-G24 R-GDIP-T24
JESD-609 Code e4 e0
Length 15.4 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 75 °C
Operating Temperature-Min
Output Characteristics 3-STATE 3-STATE
Output Polarity TRUE TRUE
Package Body Material PLASTIC/EPOXY CERAMIC, GLASS-SEALED
Package Code SOP DIP
Package Shape RECTANGULAR RECTANGULAR
Package Style SMALL OUTLINE IN-LINE
Peak Reflow Temperature (Cel) NOT SPECIFIED
Propagation Delay (tpd) 35 ns 35 ns
Seated Height-Max 2.65 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 EXTENDED
Terminal Finish Nickel/Palladium/Gold (Ni/Pd/Au) TIN LEAD
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
Width 7.5 mm
Base Number Matches 7 2
Control Type INDEPENDENT CONTROL
Count Direction BIDIRECTIONAL
Package Equivalence Code DIP24,.3
Qualification Status Not Qualified
Trigger Type POSITIVE EDGE

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