SN74LS646DWR vs SN74LS646DWRE4 feature comparison

SN74LS646DWR Texas Instruments

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SN74LS646DWRE4 Rochester Electronics LLC

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Pbfree Code Yes
Rohs Code Yes
Part Life Cycle Code Obsolete Contact Manufacturer
Ihs Manufacturer TEXAS INSTRUMENTS INC ROCHESTER ELECTRONICS LLC
Part Package Code SOIC
Package Description GREEN, PLASTIC, SOIC-24 SOP,
Pin Count 24
Reach Compliance Code compliant 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
Control Type INDEPENDENT CONTROL
Count Direction BIDIRECTIONAL
Family LS LS
JESD-30 Code R-PDSO-G24 R-PDSO-G24
Length 15.4 mm 15.4 mm
Load Capacitance (CL) 45 pF
Logic IC Type REGISTERED BUS TRANSCEIVER REGISTERED BUS TRANSCEIVER
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 SOP
Package Equivalence Code SOP24,.4
Package Shape RECTANGULAR RECTANGULAR
Package Style SMALL OUTLINE SMALL OUTLINE
Packing Method TR
Peak Reflow Temperature (Cel) NOT SPECIFIED
Power Supply Current-Max (ICC) 165 mA
Propagation Delay (tpd) 35 ns 35 ns
Qualification Status Not Qualified
Seated Height-Max 2.65 mm 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 YES
Technology TTL TTL
Temperature Grade COMMERCIAL COMMERCIAL
Terminal Form GULL WING GULL WING
Terminal Pitch 1.27 mm 1.27 mm
Terminal Position DUAL DUAL
Time@Peak Reflow Temperature-Max (s) NOT SPECIFIED
Trigger Type POSITIVE EDGE
Width 7.5 mm 7.5 mm
Base Number Matches 3 1
JESD-609 Code e4
Terminal Finish NICKEL PALLADIUM GOLD

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