SN74LS642-1DW vs SN74ALS642A-1DWRG4 feature comparison

SN74LS642-1DW Rochester Electronics LLC

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SN74ALS642A-1DWRG4 Texas Instruments

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Pbfree Code Yes
Rohs Code Yes Yes
Part Life Cycle Code Active Obsolete
Ihs Manufacturer ROCHESTER ELECTRONICS INC TEXAS INSTRUMENTS INC
Part Package Code SOIC SOIC
Package Description SOP, SOP, SOP20,.4
Pin Count 20 20
Reach Compliance Code unknown unknown
Additional Feature WITH DIRECTION CONTROL WITH DIRECTION CONTROL
Family LS ALS
JESD-30 Code R-PDSO-G20 R-PDSO-G20
JESD-609 Code e4
Length 12.8 mm 12.8 mm
Logic IC Type BUS TRANSCEIVER BUS TRANSCEIVER
Moisture Sensitivity Level 1
Number of Bits 8 8
Number of Functions 1 1
Number of Ports 2 2
Number of Terminals 20 20
Operating Temperature-Max 70 °C 70 °C
Operating Temperature-Min
Output Characteristics OPEN-COLLECTOR OPEN-COLLECTOR
Output Polarity INVERTED INVERTED
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) 260 NOT SPECIFIED
Propagation Delay (tpd) 25 ns 22 ns
Seated Height-Max 2.65 mm 2.65 mm
Supply Voltage-Max (Vsup) 5.25 V 5.5 V
Supply Voltage-Min (Vsup) 4.75 V 4.5 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
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 NOT SPECIFIED
Width 7.5 mm 7.5 mm
Base Number Matches 2 1
HTS Code 8542.39.00.01
Control Type COMMON CONTROL
Count Direction BIDIRECTIONAL
Max I(ol) 0.048 A
Package Equivalence Code SOP20,.4
Packing Method TR
Power Supply Current-Max (ICC) 28 mA
Prop. Delay@Nom-Sup 30 ns
Qualification Status Not Qualified

Compare SN74LS642-1DW with alternatives

Compare SN74ALS642A-1DWRG4 with alternatives