Datasheets
SN74AS646FN3 by: Texas Instruments

Registered Bus Transceiver, AS Series, 1-Func, 8-Bit, True Output, TTL, PQCC28

Part Details for SN74AS646FN3 by Texas Instruments

Results Overview of SN74AS646FN3 by Texas Instruments

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SN74AS646FN3 Information

SN74AS646FN3 by Texas Instruments is a Bus Driver/Transceiver.
Bus Driver/Transceivers are under the broader part category of Logic Components.

Digital logic governs the behavior of signals in electronic circuits, enabling complex decisions based on simple binary inputs (yes/no). Logic components perform operations from these signals. Read more about Logic Components on our Logic part category page.

Price & Stock for SN74AS646FN3

Part # Distributor Description Stock Price Buy
Vyrian Registered Bus Transceiver, AS Series, 1-Func, 8-Bit, True Output, TTL, PQCC28 8367
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US Tariff Estimator: SN74AS646FN3 by Texas Instruments

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SN74AS646FN3
Texas Instruments
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Part Details for SN74AS646FN3

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SN74AS646FN3 Part Data Attributes

SN74AS646FN3 Texas Instruments
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SN74AS646FN3 Texas Instruments Registered Bus Transceiver, AS Series, 1-Func, 8-Bit, True Output, TTL, PQCC28
Part Life Cycle Code Obsolete
Package Description Lcc-28
HTS Code 8542.39.00.60
Additional Feature With Direction Control; With Select Input For Multiplexed Transmission Of Registered Or Real Tim
Control Type Independent Control
Count Direction Bidirectional
Family As
JESD-30 Code S-PQCC-J28
Length 11.5062 Mm
Load Capacitance (CL) 50 Pf
Logic IC Type Registered Bus Transceiver
Max I(ol) 0.048 A
Number of Bits 8
Number of Functions 1
Number of Ports 2
Number of Terminals 28
Operating Temperature-Max 70 °C
Operating Temperature-Min
Output Characteristics 3-State
Output Polarity True
Package Body Material Plastic/Epoxy
Package Code QCCJ
Package Equivalence Code LDCC28,.5SQ
Package Shape Square
Package Style Chip Carrier
Peak Reflow Temperature (Cel) Not Specified
Power Supply Current-Max (ICC) 211 Ma
Prop. Delay@Nom-Sup 9 Ns
Propagation Delay (tpd) 9 Ns
Qualification Status Not Qualified
Seated Height-Max 4.57 Mm
Supply Voltage-Max (Vsup) 5.5 V
Supply Voltage-Min (Vsup) 4.5 V
Supply Voltage-Nom (Vsup) 5 V
Surface Mount Yes
Technology Ttl
Temperature Grade Commercial
Terminal Form J Bend
Terminal Pitch 1.27 Mm
Terminal Position Quad
Time@Peak Reflow Temperature-Max (s) Not Specified
Trigger Type Positive Edge
Width 11.5062 Mm

Alternate Parts for SN74AS646FN3

This table gives cross-reference parts and alternative options found for SN74AS646FN3. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of SN74AS646FN3, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.

Part Number Manufacturer Composite Price Description Compare
N74ALS648-1D NXP Semiconductors Check for Price Registered Bus Transceiver, ALS Series, 1-Func, 8-Bit, Inverted Output, TTL, PDSO24 SN74AS646FN3 vs N74ALS648-1D
SN74AS640DWRG4 Texas Instruments Check for Price Bus Transceiver, AS Series, 1-Func, 8-Bit, Inverted Output, TTL, PDSO20 SN74AS646FN3 vs SN74AS640DWRG4
SN74ALS648-1DW Texas Instruments Check for Price Registered Bus Transceiver, ALS Series, 1-Func, 8-Bit, Inverted Output, TTL, PDSO24 SN74AS646FN3 vs SN74ALS648-1DW
SN74AS645DWRE4 Texas Instruments Check for Price Bus Transceiver, AS Series, 1-Func, 8-Bit, True Output, TTL, PDSO20 SN74AS646FN3 vs SN74AS645DWRE4
74ALS648-1N NXP Semiconductors Check for Price Registered Bus Transceiver, ALS Series, 1-Func, 8-Bit, Inverted Output, TTL, PDIP24 SN74AS646FN3 vs 74ALS648-1N
DM74ALS648N National Semiconductor Corporation Check for Price Registered Bus Transceiver, ALS Series, 1-Func, 8-Bit, Inverted Output, TTL, PDIP24 SN74AS646FN3 vs DM74ALS648N
5962-8955301RA Defense Logistics Agency Check for Price Bus Transceiver, AS Series, 1-Func, 8-Bit, Inverted Output, TTL, CDIP20 SN74AS646FN3 vs 5962-8955301RA
SNJ54AS645FK Texas Instruments Check for Price Bus Transceiver, AS Series, 1-Func, 8-Bit, True Output, TTL, CQCC20 SN74AS646FN3 vs SNJ54AS645FK
SN74LS648JT Texas Instruments Check for Price Registered Bus Transceiver, LS Series, 1-Func, 8-Bit, Inverted Output, TTL, CDIP24 SN74AS646FN3 vs SN74LS648JT
SN54AS642FK Texas Instruments Check for Price Bus Transceiver, AS Series, 1-Func, 8-Bit, Inverted Output, TTL, CQCC20 SN74AS646FN3 vs SN54AS642FK
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