DM74AS646NT vs SN74AS646DWE4 feature comparison

DM74AS646NT Fairchild Semiconductor Corporation

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SN74AS646DWE4 Texas Instruments

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Rohs Code Yes Yes
Part Life Cycle Code Obsolete Obsolete
Ihs Manufacturer FAIRCHILD SEMICONDUCTOR CORP TEXAS INSTRUMENTS INC
Part Package Code DIP SOIC
Package Description 0.300 INCH, PLASTIC, MS-001, DIP-24 SOP, SOP24,.4
Pin Count 24 24
Reach Compliance Code compliant unknown
HTS Code 8542.39.00.01 8542.39.00.01
Control Type INDEPENDENT CONTROL INDEPENDENT CONTROL
Count Direction BIDIRECTIONAL BIDIRECTIONAL
Family AS AS
JESD-30 Code R-PDIP-T24 R-PDSO-G24
JESD-609 Code e3 e4
Length 31.75 mm 15.4 mm
Logic IC Type REGISTERED BUS TRANSCEIVER REGISTERED BUS TRANSCEIVER
Max I(ol) 0.048 A 0.048 A
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 DIP SOP
Package Equivalence Code DIP24,.3 SOP24,.4
Package Shape RECTANGULAR RECTANGULAR
Package Style IN-LINE SMALL OUTLINE
Power Supply Current-Max (ICC) 211 mA 211 mA
Prop. Delay@Nom-Sup 9 ns 9 ns
Propagation Delay (tpd) 9 ns 9 ns
Qualification Status Not Qualified Not Qualified
Seated Height-Max 5.08 mm 2.65 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 NO YES
Technology TTL TTL
Temperature Grade COMMERCIAL COMMERCIAL
Terminal Finish MATTE TIN NICKEL PALLADIUM GOLD
Terminal Form THROUGH-HOLE GULL WING
Terminal Pitch 2.54 mm 1.27 mm
Terminal Position DUAL DUAL
Trigger Type POSITIVE EDGE POSITIVE EDGE
Width 7.62 mm 7.5 mm
Base Number Matches 1 1
Pbfree Code Yes
Additional Feature DIRECTION CONTROL; SELECT INPUT FOR MULTIPLEXED TRANSMISSION OF REGISTERED OR REAL TIME DATA
Load Capacitance (CL) 50 pF
Moisture Sensitivity Level 1
Packing Method TUBE
Peak Reflow Temperature (Cel) 260
Time@Peak Reflow Temperature-Max (s) 30

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