SN74LS646DWR vs SN74LS646DWE4 feature comparison

SN74LS646DWR Rochester Electronics LLC

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SN74LS646DWE4 Texas Instruments

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Pbfree Code Yes Yes
Rohs Code Yes Yes
Part Life Cycle Code Obsolete Obsolete
Ihs Manufacturer ROCHESTER ELECTRONICS LLC TEXAS INSTRUMENTS INC
Part Package Code SOIC SOIC
Package Description GREEN, PLASTIC, SOIC-24 SOP, SOP24,.4
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-PDSO-G24
JESD-609 Code e4 e4
Length 15.4 mm 15.4 mm
Logic IC Type REGISTERED BUS TRANSCEIVER REGISTERED BUS TRANSCEIVER
Moisture Sensitivity Level 1 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 SOP
Package Shape RECTANGULAR RECTANGULAR
Package Style SMALL OUTLINE SMALL OUTLINE
Peak Reflow Temperature (Cel) NOT SPECIFIED 260
Propagation Delay (tpd) 35 ns 35 ns
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 Finish Nickel/Palladium/Gold (Ni/Pd/Au) NICKEL PALLADIUM GOLD
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 30
Width 7.5 mm 7.5 mm
Base Number Matches 2 2
Control Type INDEPENDENT CONTROL
Count Direction BIDIRECTIONAL
Load Capacitance (CL) 45 pF
Package Equivalence Code SOP24,.4
Power Supply Current-Max (ICC) 165 mA
Qualification Status Not Qualified
Trigger Type POSITIVE EDGE

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