Datasheets
SN74ALS645A-1DWG4 by: Texas Instruments

Octal Bus Transceivers With 3-State Outputs 20-SOIC 0 to 70

Part Details for SN74ALS645A-1DWG4 by Texas Instruments

Results Overview of SN74ALS645A-1DWG4 by Texas Instruments

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SN74ALS645A-1DWG4 Information

SN74ALS645A-1DWG4 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 SN74ALS645A-1DWG4

Part # Distributor Description Stock Price Buy
Rochester Electronics Bus Transceiver, ALS Series, 1-Func, 8-Bit, True Output, TTL, PDSO20 ' RoHS: Compliant Status: Obsolete Min Qty: 1 225
  • 1 $1.0700
  • 25 $1.0500
  • 100 $1.0100
  • 500 $0.9630
  • 1,000 $0.9095
$0.9095 / $1.0700 Buy Now

Part Details for SN74ALS645A-1DWG4

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SN74ALS645A-1DWG4 Part Data Attributes

SN74ALS645A-1DWG4 Texas Instruments
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SN74ALS645A-1DWG4 Texas Instruments Octal Bus Transceivers With 3-State Outputs 20-SOIC 0 to 70
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Rohs Code Yes
Part Life Cycle Code Obsolete
Ihs Manufacturer TEXAS INSTRUMENTS INC
Part Package Code SOIC
Package Description SOIC-20
Pin Count 20
Reach Compliance Code compliant
HTS Code 8542.39.00.01
Additional Feature WITH DIRECTION CONTROL,SNJ54AS645J,84033012A,8403301RA,8403301SA IS DELETED FOR SUBGROUP FIX
Control Type COMMON CONTROL
Count Direction BIDIRECTIONAL
Family ALS
JESD-30 Code R-PDSO-G20
JESD-609 Code e4
Length 12.8 mm
Logic IC Type BUS TRANSCEIVER
Max I(ol) 0.048 A
Moisture Sensitivity Level 1
Number of Bits 8
Number of Functions 1
Number of Ports 2
Number of Terminals 20
Operating Temperature-Max 70 °C
Operating Temperature-Min
Output Characteristics 3-STATE
Output Polarity TRUE
Package Body Material PLASTIC/EPOXY
Package Code SOP
Package Equivalence Code SOP20,.4
Package Shape RECTANGULAR
Package Style SMALL OUTLINE
Packing Method TUBE
Peak Reflow Temperature (Cel) 260
Power Supply Current-Max (ICC) 58 mA
Prop. Delay@Nom-Sup 10 ns
Propagation Delay (tpd) 10 ns
Qualification Status Not Qualified
Seated Height-Max 2.65 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 Finish NICKEL PALLADIUM GOLD
Terminal Form GULL WING
Terminal Pitch 1.27 mm
Terminal Position DUAL
Time@Peak Reflow Temperature-Max (s) 30
Width 7.5 mm

Alternate Parts for SN74ALS645A-1DWG4

This table gives cross-reference parts and alternative options found for SN74ALS645A-1DWG4. 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 SN74ALS645A-1DWG4, 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
SN74ALS645ADW Texas Instruments $1.1012 Octal Bus Transceivers With 3-State Outputs 20-SOIC 0 to 70 SN74ALS645A-1DWG4 vs SN74ALS645ADW
SN74ALS645A-1DWR Texas Instruments $1.0224 Octal Bus Transceivers With 3-State Outputs 20-SOIC 0 to 70 SN74ALS645A-1DWG4 vs SN74ALS645A-1DWR
DM74ALS645AWMX Fairchild Semiconductor Corporation Check for Price Bus Transceiver, ALS Series, 1-Func, 8-Bit, True Output, TTL, PDSO20, 0.300 INCH, MS-013, SOIC-20 SN74ALS645A-1DWG4 vs DM74ALS645AWMX
DM74ALS645AWM Fairchild Semiconductor Corporation Check for Price Bus Transceiver, ALS Series, 1-Func, 8-Bit, True Output, TTL, PDSO20, 0.300 INCH, MS-013, SOIC-20 SN74ALS645A-1DWG4 vs DM74ALS645AWM
SN74ALS645ADWR Texas Instruments $0.9170 Octal Bus Transceivers With 3-State Outputs 20-SOIC 0 to 70 SN74ALS645A-1DWG4 vs SN74ALS645ADWR
SN74ALS645A-1DW Texas Instruments $1.1012 Octal Bus Transceivers With 3-State Outputs 20-SOIC 0 to 70 SN74ALS645A-1DWG4 vs SN74ALS645A-1DW

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