MC74AC643N vs MC74AC646DWG feature comparison

MC74AC643N Motorola Semiconductor Products

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MC74AC646DWG Rochester Electronics LLC

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Rohs Code No Yes
Part Life Cycle Code Obsolete Active
Ihs Manufacturer MOTOROLA INC ROCHESTER ELECTRONICS LLC
Package Description PLASTIC, DIP-20 PLASTIC, SOIC-24
Reach Compliance Code unknown unknown
HTS Code 8542.39.00.01 8542.39.00.01
Additional Feature WITH COMMON OUTPUT ENABLE AND DIRECTION CONTROL; INVERTED OUTPUTS PORT A TO B SELECT INPUT FOR MULTIPLEXED TRANSMISSION OF REGISTERED/REAL TIME DATA
Family AC AC
JESD-30 Code R-PDIP-T20 R-PDSO-G24
JESD-609 Code e0 e3
Length 26.415 mm 15.395 mm
Load Capacitance (CL) 50 pF
Logic IC Type BUS TRANSCEIVER REGISTERED BUS TRANSCEIVER
Number of Bits 8 8
Number of Functions 1 1
Number of Ports 2 2
Number of Terminals 20 24
Operating Temperature-Max 85 °C 85 °C
Operating Temperature-Min -40 °C -40 °C
Output Characteristics 3-STATE 3-STATE
Output Polarity TRUE TRUE
Package Body Material PLASTIC/EPOXY PLASTIC/EPOXY
Package Code DIP SOP
Package Shape RECTANGULAR RECTANGULAR
Package Style IN-LINE SMALL OUTLINE
Propagation Delay (tpd) 7.5 ns 18.5 ns
Qualification Status Not Qualified Not Qualified
Seated Height-Max 4.57 mm 2.65 mm
Supply Voltage-Max (Vsup) 6 V 6 V
Supply Voltage-Min (Vsup) 2 V 2 V
Supply Voltage-Nom (Vsup) 5 V 5 V
Surface Mount NO YES
Technology CMOS CMOS
Temperature Grade INDUSTRIAL INDUSTRIAL
Terminal Finish TIN LEAD MATTE TIN
Terminal Form THROUGH-HOLE GULL WING
Terminal Pitch 2.54 mm 1.27 mm
Terminal Position DUAL DUAL
Width 7.62 mm 7.5 mm
Base Number Matches 3 2
Pbfree Code No
Part Package Code SOIC
Pin Count 24

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