SN54ALS646FK vs DM74ALS646N feature comparison

SN54ALS646FK Texas Instruments

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DM74ALS646N Texas Instruments

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Rohs Code No No
Part Life Cycle Code Obsolete Obsolete
Ihs Manufacturer TEXAS INSTRUMENTS INC NATIONAL SEMICONDUCTOR CORP
Part Package Code QFN DIP
Package Description QCCN, LCC28,.45SQ DIP, DIP24,.6
Pin Count 28 24
Reach Compliance Code not_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 SELECT INPUT FOR MULTIPLEXED TRANSMISSION OF REGISTERED/REAL TIME DATA
Control Type INDEPENDENT CONTROL INDEPENDENT CONTROL
Count Direction BIDIRECTIONAL BIDIRECTIONAL
Family ALS ALS
JESD-30 Code S-CQCC-N28 R-PDIP-T24
Length 11.43 mm 31.915 mm
Load Capacitance (CL) 50 pF 50 pF
Logic IC Type REGISTERED BUS TRANSCEIVER REGISTERED BUS TRANSCEIVER
Max I(ol) 0.012 A 0.024 A
Number of Bits 8 8
Number of Functions 1 1
Number of Ports 2 2
Number of Terminals 28 24
Operating Temperature-Max 125 °C 70 °C
Operating Temperature-Min -55 °C
Output Characteristics 3-STATE 3-STATE
Output Polarity TRUE TRUE
Package Body Material CERAMIC, METAL-SEALED COFIRED PLASTIC/EPOXY
Package Code QCCN DIP
Package Equivalence Code LCC28,.45SQ DIP24,.6
Package Shape SQUARE RECTANGULAR
Package Style CHIP CARRIER IN-LINE
Peak Reflow Temperature (Cel) NOT SPECIFIED
Power Supply Current-Max (ICC) 88 mA 88 mA
Propagation Delay (tpd) 20 ns 17 ns
Qualification Status Not Qualified Not Qualified
Seated Height-Max 2.03 mm 5.334 mm
Supply Voltage-Max (Vsup) 5.5 V 5.5 V
Supply Voltage-Min (Vsup) 4.5 V 4.5 V
Supply Voltage-Nom (Vsup) 5 V 5 V
Surface Mount YES NO
Technology TTL TTL
Temperature Grade MILITARY COMMERCIAL
Terminal Form NO LEAD THROUGH-HOLE
Terminal Pitch 1.27 mm 2.54 mm
Terminal Position QUAD DUAL
Time@Peak Reflow Temperature-Max (s) NOT SPECIFIED
Trigger Type POSITIVE EDGE POSITIVE EDGE
Width 11.43 mm 15.24 mm
Base Number Matches 1 5
Pbfree Code No
JESD-609 Code e0
Terminal Finish TIN LEAD

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