MM74HC643WM vs M74HC643M1R feature comparison

MM74HC643WM National Semiconductor Corporation

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M74HC643M1R STMicroelectronics

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Rohs Code No Yes
Part Life Cycle Code Obsolete Obsolete
Ihs Manufacturer NATIONAL SEMICONDUCTOR CORP STMICROELECTRONICS
Package Description SOP, SOP20,.4 SOP-20
Reach Compliance Code unknown compliant
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 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 e0 e4
Length 12.8 mm 12.8 mm
Load Capacitance (CL) 50 pF 150 pF
Logic IC Type BUS TRANSCEIVER BUS TRANSCEIVER
Number of Bits 8 8
Number of Functions 1 1
Number of Ports 2 2
Number of Terminals 20 20
Operating Temperature-Max 85 °C 125 °C
Operating Temperature-Min -40 °C -55 °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
Propagation Delay (tpd) 22 ns 180 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) 5 V 4.5 V
Surface Mount YES YES
Technology CMOS CMOS
Temperature Grade INDUSTRIAL MILITARY
Terminal Finish TIN LEAD NICKEL PALLADIUM GOLD
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 2 1
Pbfree Code Yes
Part Package Code SOIC
Pin Count 20
Max I(ol) 0.006 A
Packing Method TUBE
Prop. Delay@Nom-Sup 27 ns

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Compare M74HC643M1R with alternatives