74HC646NB vs SN74HC646NT feature comparison

74HC646NB NXP Semiconductors

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SN74HC646NT Texas Instruments

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Part Life Cycle Code Obsolete Obsolete
Ihs Manufacturer NXP SEMICONDUCTORS TEXAS INSTRUMENTS INC
Package Description DIP, ROHS COMPLIANT, PLASTIC, DIP-24
Reach Compliance Code unknown compliant
HTS Code 8542.39.00.01 8542.39.00.01
Additional Feature WITH DIRECTION CONTROL WITH DIRECTION CONTROL
Family HC/UH HC/UH
JESD-30 Code R-PDIP-T24 R-PDIP-T24
Load Capacitance (CL) 50 pF 150 pF
Logic IC Type REGISTERED BUS TRANSCEIVER REGISTERED BUS TRANSCEIVER
Number of Bits 8 8
Number of Functions 1 1
Number of Ports 2 2
Number of Terminals 24 24
Operating Temperature-Max 125 °C 85 °C
Operating Temperature-Min -40 °C -40 °C
Output Characteristics 3-STATE 3-STATE
Output Polarity TRUE TRUE
Package Body Material PLASTIC/EPOXY PLASTIC/EPOXY
Package Code DIP DIP
Package Shape RECTANGULAR RECTANGULAR
Package Style IN-LINE IN-LINE
Propagation Delay (tpd) 66 ns 330 ns
Qualification Status Not Qualified Not Qualified
Supply Voltage-Max (Vsup) 6 V 6 V
Supply Voltage-Min (Vsup) 2 V 2 V
Supply Voltage-Nom (Vsup) 5 V 5 V
Surface Mount NO NO
Technology CMOS CMOS
Temperature Grade AUTOMOTIVE INDUSTRIAL
Terminal Form THROUGH-HOLE THROUGH-HOLE
Terminal Position DUAL DUAL
Base Number Matches 1 1
Pbfree Code Yes
Rohs Code Yes
Part Package Code DIP
Pin Count 24
Samacsys Manufacturer Texas Instruments
Control Type INDEPENDENT CONTROL
Count Direction BIDIRECTIONAL
JESD-609 Code e4
Length 31.64 mm
Max I(ol) 0.006 A
Package Equivalence Code DIP24,.3
Packing Method TUBE
Prop. Delay@Nom-Sup 34 ns
Seated Height-Max 5.08 mm
Terminal Finish NICKEL PALLADIUM GOLD
Terminal Pitch 2.54 mm
Trigger Type POSITIVE EDGE
Width 7.62 mm

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