M74HC643B1R vs M74HC643F1 feature comparison

M74HC643B1R STMicroelectronics

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M74HC643F1 STMicroelectronics

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Pbfree Code Yes No
Rohs Code Yes No
Part Life Cycle Code Obsolete Obsolete
Ihs Manufacturer STMICROELECTRONICS STMICROELECTRONICS
Part Package Code DIP DIP
Package Description DIP, DIP20,.3 DIP, DIP20,.3
Pin Count 20 20
Reach Compliance Code compliant not_compliant
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-PDIP-T20 R-GDIP-T20
JESD-609 Code e3 e0
Load Capacitance (CL) 150 pF 50 pF
Logic IC Type BUS TRANSCEIVER BUS TRANSCEIVER
Max I(ol) 0.006 A 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 CERAMIC, GLASS-SEALED
Package Code DIP DIP
Package Equivalence Code DIP20,.3 DIP20,.3
Package Shape RECTANGULAR RECTANGULAR
Package Style IN-LINE IN-LINE
Packing Method TUBE
Prop. Delay@Nom-Sup 27 ns 48 ns
Propagation Delay (tpd) 180 ns 28 ns
Qualification Status Not Qualified Not Qualified
Seated Height-Max 3.93 mm 5 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 MILITARY INDUSTRIAL
Terminal Finish MATTE TIN TIN LEAD
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 1 1

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