Datasheets
SN74LS646DW by:

Octal bus transceivers and registers 24-SOIC 0 to 70

Part Details for SN74LS646DW by Texas Instruments

Overview of SN74LS646DW by Texas Instruments

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Applications Consumer Electronics Industrial Automation

Price & Stock for SN74LS646DW

Part # Distributor Description Stock Price Buy
DISTI # 2156-SN74LS646DW-ND
DigiKey IC TXRX NON-INVERT 5.25V 24SOIC Min Qty: 66 Lead time: 12 Weeks Container: Bulk MARKETPLACE PRODUCT 3280
In Stock
  • 66 $4.5600
$4.5600 Buy Now
DISTI # 296-34022-5-ND
DigiKey IC TXRX NON-INVERT 5.25V 24SOIC Min Qty: 66 Lead time: 12 Weeks Container: Tube Temporarily Out of Stock
  • 175 $5.6685
$5.6685 Buy Now
DISTI # 595-SN74LS646DW
Mouser Electronics Bus Transceivers Octal Bus Transcvrs & Reg RoHS: Compliant 0
  • 175 $5.4100
  • 250 $5.3400
  • 500 $5.2200
  • 1,000 $5.0500
$5.0500 / $5.4100 Order Now
Quest Components Bus Transceiver, Single, 8 Bit, 24 Pin, Plastic, SOP 259
  • 1 $8.7975
  • 46 $3.8123
  • 132 $3.5190
$3.5190 / $8.7975 Buy Now
Rochester Electronics SN74LS646 Octal bus transceivers and registers RoHS: Compliant Status: Active Min Qty: 1 3280
  • 1 $4.6000
  • 25 $4.5100
  • 100 $4.3200
  • 500 $4.1400
  • 1,000 $3.9100
$3.9100 / $4.6000 Buy Now
Ameya Holding Limited IC BUS TRANSCEIVER 8BIT 24SOIC 2950
RFQ
Chip1Cloud IC BUS TRANSCEIVER 8BIT 24SOIC 1100
RFQ

Part Details for SN74LS646DW

SN74LS646DW CAD Models

SN74LS646DW Part Data Attributes

SN74LS646DW Texas Instruments
Buy Now Datasheet
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SN74LS646DW Texas Instruments Octal bus transceivers and registers 24-SOIC 0 to 70
Pbfree Code Yes
Rohs Code Yes
Part Life Cycle Code Active
Ihs Manufacturer TEXAS INSTRUMENTS INC
Part Package Code SOIC
Package Description SOIC-24
Pin Count 24
Reach Compliance Code compliant
ECCN Code EAR99
HTS Code 8542.39.00.01
Samacsys Manufacturer Texas Instruments
Additional Feature DIRECTION CONTROL; SELECT INPUT FOR MULTIPLEXED TRANSMISSION OF REGISTERED OR REAL TIME DATA
Control Type INDEPENDENT CONTROL
Count Direction BIDIRECTIONAL
Family LS
JESD-30 Code R-PDSO-G24
JESD-609 Code e4
Length 15.4 mm
Load Capacitance (CL) 45 pF
Logic IC Type REGISTERED BUS TRANSCEIVER
Max I(ol) 0.024 A
Moisture Sensitivity Level 1
Number of Bits 8
Number of Functions 8
Number of Ports 2
Number of Terminals 24
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 SOP24,.4
Package Shape RECTANGULAR
Package Style SMALL OUTLINE
Packing Method TUBE
Peak Reflow Temperature (Cel) 260
Power Supply Current-Max (ICC) 180 mA
Prop. Delay@Nom-Sup 20 ns
Propagation Delay (tpd) 35 ns
Qualification Status Not Qualified
Schmitt Trigger NO
Seated Height-Max 2.65 mm
Supply Voltage-Max (Vsup) 5.25 V
Supply Voltage-Min (Vsup) 4.75 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
Trigger Type POSITIVE EDGE
Width 7.5 mm

Alternate Parts for SN74LS646DW

This table gives cross-reference parts and alternative options found for SN74LS646DW. 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 SN74LS646DW, 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 Description Manufacturer Compare
SN74LS646DWE4 Registered Bus Transceiver, LS Series, 1-Func, 8-Bit, True Output, TTL, PDSO24, GREEN, PLASTIC, SOIC-24 Rochester Electronics LLC SN74LS646DW vs SN74LS646DWE4
SN74LS646DWRG4 LS SERIES, 8-BIT REGISTERED TRANSCEIVER, TRUE OUTPUT, PDSO24, GREEN, PLASTIC, SOIC-24 Texas Instruments SN74LS646DW vs SN74LS646DWRG4
SN74LS646DW Registered Bus Transceiver, LS Series, 1-Func, 8-Bit, True Output, TTL, PDSO24, GREEN, PLASTIC, SOIC-24 Rochester Electronics LLC SN74LS646DW vs SN74LS646DW
SN74LS646DWR LS SERIES, 8-BIT REGISTERED TRANSCEIVER, TRUE OUTPUT, PDSO24, GREEN, PLASTIC, SOIC-24 Texas Instruments SN74LS646DW vs SN74LS646DWR
SN74LS646DWG4 Registered Bus Transceiver, LS Series, 1-Func, 8-Bit, True Output, TTL, PDSO24, GREEN, PLASTIC, SOIC-24 Rochester Electronics LLC SN74LS646DW vs SN74LS646DWG4
SN74LS646DWG4 LS SERIES, 8-BIT REGISTERED TRANSCEIVER, TRUE OUTPUT, PDSO24, GREEN, PLASTIC, SOIC-24 Texas Instruments SN74LS646DW vs SN74LS646DWG4
SN74LS646DWE4 LS SERIES, 8-BIT REGISTERED TRANSCEIVER, TRUE OUTPUT, PDSO24, GREEN, PLASTIC, SOIC-24 Texas Instruments SN74LS646DW vs SN74LS646DWE4
SN74LS646DWR Registered Bus Transceiver, LS Series, 1-Func, 8-Bit, True Output, TTL, PDSO24, GREEN, PLASTIC, SOIC-24 Rochester Electronics LLC SN74LS646DW vs SN74LS646DWR
Part Number Description Manufacturer Compare
SN74LS646DWR Registered Bus Transceiver, LS Series, 1-Func, 8-Bit, True Output, TTL, PDSO24, GREEN, PLASTIC, SOIC-24 Rochester Electronics LLC SN74LS646DW vs SN74LS646DWR
SN74LS646JT LS SERIES, 8-BIT REGISTERED TRANSCEIVER, TRUE OUTPUT, CDIP24 Texas Instruments SN74LS646DW vs SN74LS646JT
SN54LS646JT LS SERIES, 8-BIT REGISTERED TRANSCEIVER, TRUE OUTPUT, CDIP24, 0.300 INCH, CERAMIC, DIP-24 Texas Instruments SN74LS646DW vs SN54LS646JT
SN74LS646DWE4 LS SERIES, 8-BIT REGISTERED TRANSCEIVER, TRUE OUTPUT, PDSO24, GREEN, PLASTIC, SOIC-24 Texas Instruments SN74LS646DW vs SN74LS646DWE4
SN74LS646DWR LS SERIES, 8-BIT REGISTERED TRANSCEIVER, TRUE OUTPUT, PDSO24, GREEN, PLASTIC, SOIC-24 Texas Instruments SN74LS646DW vs SN74LS646DWR
SN74LS646NTE4 LS SERIES, 8-BIT REGISTERED TRANSCEIVER, TRUE OUTPUT, PDIP24, 0.300 INCH, ROHS COMPLIANT, PLASTIC, DIP-24 Texas Instruments SN74LS646DW vs SN74LS646NTE4
SN54LS646JS Registered Bus Transceiver, LS Series, 1-Func, 8-Bit, True Output, TTL, CDIP24, Monolithic Memories (RETIRED) SN74LS646DW vs SN54LS646JS
SN74LS646NS Registered Bus Transceiver, LS Series, 1-Func, 8-Bit, True Output, TTL, PDIP24, DIP-24 Monolithic Memories Inc (MMI) SN74LS646DW vs SN74LS646NS
SN74LS646DWRE4 Registered Bus Transceiver, LS Series, 1-Func, 8-Bit, True Output, TTL, PDSO24, GREEN, PLASTIC, SOIC-24 Rochester Electronics LLC SN74LS646DW vs SN74LS646DWRE4
SN74LS646DWG4 LS SERIES, 8-BIT REGISTERED TRANSCEIVER, TRUE OUTPUT, PDSO24, GREEN, PLASTIC, SOIC-24 Texas Instruments SN74LS646DW vs SN74LS646DWG4

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