M74HC643M1R vs MM74HC643WM feature comparison

M74HC643M1R STMicroelectronics

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MM74HC643WM Texas Instruments

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Pbfree Code Yes No
Rohs Code Yes No
Part Life Cycle Code Obsolete Obsolete
Ihs Manufacturer STMICROELECTRONICS NATIONAL SEMICONDUCTOR CORP
Part Package Code SOIC SOIC
Package Description SOP-20 SOP, SOP20,.4
Pin Count 20 20
Reach Compliance Code compliant unknown
HTS Code 8542.39.00.01 8542.39.00.01
Additional Feature INVERTED OUTPUTS PORT A TO B WITH COMMON OUTPUT ENABLE AND DIRECTION CONTROL; INVERTED OUTPUTS PORT A TO B
Control Type COMMON CONTROL COMMON CONTROL
Count Direction BIDIRECTIONAL BIDIRECTIONAL
Family HC/UH HC/UH
JESD-30 Code R-PDSO-G20 R-PDSO-G20
JESD-609 Code e4 e0
Length 12.8 mm 12.8 mm
Load Capacitance (CL) 150 pF 50 pF
Logic IC Type BUS TRANSCEIVER BUS TRANSCEIVER
Max I(ol) 0.006 A
Number of Bits 8 8
Number of Functions 1 1
Number of Ports 2 2
Number of Terminals 20 20
Operating Temperature-Max 125 °C 85 °C
Operating Temperature-Min -55 °C -40 °C
Output Characteristics 3-STATE 3-STATE
Output Polarity TRUE TRUE
Package Body Material PLASTIC/EPOXY PLASTIC/EPOXY
Package Code SOP SOP
Package Equivalence Code SOP20,.4 SOP20,.4
Package Shape RECTANGULAR RECTANGULAR
Package Style SMALL OUTLINE SMALL OUTLINE
Packing Method TUBE
Prop. Delay@Nom-Sup 27 ns
Propagation Delay (tpd) 180 ns 22 ns
Qualification Status Not Qualified Not Qualified
Seated Height-Max 2.65 mm 2.65 mm
Supply Voltage-Max (Vsup) 6 V 6 V
Supply Voltage-Min (Vsup) 2 V 2 V
Supply Voltage-Nom (Vsup) 4.5 V 5 V
Surface Mount YES YES
Technology CMOS CMOS
Temperature Grade MILITARY INDUSTRIAL
Terminal Finish NICKEL PALLADIUM GOLD TIN LEAD
Terminal Form GULL WING GULL WING
Terminal Pitch 1.27 mm 1.27 mm
Terminal Position DUAL DUAL
Width 7.5 mm 7.5 mm
Base Number Matches 1 3

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