MM74HCT643J vs 74HCT643NB feature comparison

MM74HCT643J National Semiconductor Corporation

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74HCT643NB NXP Semiconductors

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Rohs Code No
Part Life Cycle Code Obsolete Active
Ihs Manufacturer NATIONAL SEMICONDUCTOR CORP NXP SEMICONDUCTORS
Package Description DIP, DIP20,.3 DIP,
Reach Compliance Code unknown unknown
HTS Code 8542.39.00.01 8542.39.00.01
Additional Feature INVERTED OUTPUTS PORT A TO B WITH DIRECTION CONTROL; INVERTED OUTPUTS PORT A TO B
Control Type COMMON CONTROL
Count Direction BIDIRECTIONAL
Family HCT HCT
JESD-30 Code R-GDIP-T20 R-PDIP-T20
JESD-609 Code e0
Length 24.51 mm 26.73 mm
Load Capacitance (CL) 50 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 85 °C 125 °C
Operating Temperature-Min -40 °C -40 °C
Output Characteristics 3-STATE 3-STATE
Output Polarity TRUE TRUE
Package Body Material CERAMIC, GLASS-SEALED PLASTIC/EPOXY
Package Code DIP DIP
Package Equivalence Code DIP20,.3
Package Shape RECTANGULAR RECTANGULAR
Package Style IN-LINE IN-LINE
Prop. Delay@Nom-Sup 29 ns
Propagation Delay (tpd) 38 ns 35 ns
Qualification Status Not Qualified Not Qualified
Seated Height-Max 5.08 mm 4.2 mm
Supply Voltage-Max (Vsup) 5.5 V 5.5 V
Supply Voltage-Min (Vsup) 4.5 V 4.5 V
Supply Voltage-Nom (Vsup) 5 V 5 V
Surface Mount NO NO
Technology CMOS CMOS
Temperature Grade INDUSTRIAL AUTOMOTIVE
Terminal Finish 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 3 1

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