MM74HC643N vs SN54HC645J feature comparison

MM74HC643N National Semiconductor Corporation

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SN54HC645J Texas Instruments

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Rohs Code No No
Part Life Cycle Code Obsolete Active
Ihs Manufacturer NATIONAL SEMICONDUCTOR CORP TEXAS INSTRUMENTS INC
Package Description DIP, DIP20,.3 DIP, DIP20,.3
Reach Compliance Code unknown not_compliant
HTS Code 8542.39.00.01 8542.39.00.01
Additional Feature INVERTED OUTPUTS PORT A TO B WITH DIRECTION CONTROL
Control Type COMMON CONTROL COMMON CONTROL
Count Direction BIDIRECTIONAL BIDIRECTIONAL
Family HC/UH HC/UH
JESD-30 Code R-PDIP-T20 R-GDIP-T20
JESD-609 Code e0 e0
Length 26.075 mm 24.195 mm
Load Capacitance (CL) 50 pF 150 pF
Logic IC Type BUS TRANSCEIVER BUS TRANSCEIVER
Max I(ol) 0.006 A 0.0078 A
Number of Bits 8 8
Number of Functions 1 8
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 CERAMIC, GLASS-SEALED
Package Code DIP DIP
Package Equivalence Code DIP20,.3 DIP20,.3
Package Shape RECTANGULAR RECTANGULAR
Package Style IN-LINE IN-LINE
Prop. Delay@Nom-Sup 22 ns 22 ns
Propagation Delay (tpd) 116 ns 200 ns
Qualification Status Not Qualified Not Qualified
Seated Height-Max 5.08 mm 5.08 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 NO NO
Technology CMOS CMOS
Temperature Grade INDUSTRIAL MILITARY
Terminal Finish TIN LEAD Tin/Lead (Sn/Pb)
Terminal Form THROUGH-HOLE THROUGH-HOLE
Terminal Pitch 2.54 mm 2.54 mm
Terminal Position DUAL DUAL
Width 7.62 mm 7.62 mm
Base Number Matches 3 1
Pbfree Code Yes
Part Package Code DIP
Pin Count 20
ECCN Code EAR99
Packing Method TUBE
Peak Reflow Temperature (Cel) NOT SPECIFIED
Power Supply Current-Max (ICC) 0.16 mA
Schmitt Trigger NO
Time@Peak Reflow Temperature-Max (s) NOT SPECIFIED

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