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Logic / Bus Driver/Transceivers / SN74CBT3345CDBQR
Datasheets
SN74CBT3345CDBQR by: Texas Instruments

5-V, 1:1 (SPST), 8-channel bus switch with -2-V undershoot protection 20-SSOP -40 to 85

Part Details for SN74CBT3345CDBQR by Texas Instruments

Results Overview of SN74CBT3345CDBQR by Texas Instruments

Tip: Data for a part may vary between manufacturers. You can filter for manufacturers on the top of the page next to the part image and part number.

Applications Consumer Electronics Education and Research Internet of Things (IoT) Computing and Data Storage Aerospace and Defense Healthcare Telecommunications Communication and Networking Automotive

SN74CBT3345CDBQR Information

SN74CBT3345CDBQR 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.

Available Datasheets

Part # Manufacturer Description Datasheet
SN74CBT3345CDBQR Texas Instruments 8-Bit FET Bus Switch with -2 V Undershoot Protection 20-SSOP -40 to 85

Price & Stock for SN74CBT3345CDBQR

Part # Distributor Description Stock Price Buy
DISTI # 2156-SN74CBT3345CDBQR-ND
DigiKey IC BUS SWITCH 8 X 1:1 20SSOP Min Qty: 1 Lead time: 18 Weeks Container: Bulk MARKETPLACE PRODUCT 32848
In Stock
  • 1,004 $0.3000
$0.3000 Buy Now
DISTI # 296-19216-1-ND
DigiKey IC BUS SWITCH 8 X 1:1 20SSOP Min Qty: 1 Lead time: 18 Weeks Container: Cut Tape (CT), Digi-Reel®, Tape & Reel (TR) Temporarily Out of Stock
  • 1 $0.6500
  • 2,500 $0.2972
  • 5,000 $0.2893
  • 7,500 $0.2853
  • 12,500 $0.2809
  • 17,500 $0.2784
  • 25,000 $0.2759
$0.2759 / $0.6500 Buy Now
DISTI # 595-SN74CBT3345CDBQR
Mouser Electronics Digital Bus Switch ICs 8-Bit FET Bus Switch RoHS: Compliant 4664
  • 1 $0.7200
  • 10 $0.7070
  • 25 $0.6720
  • 100 $0.5580
  • 250 $0.4830
  • 1,000 $0.3810
  • 2,500 $0.2950
  • 10,000 $0.2710
  • 20,000 $0.2680
$0.2680 / $0.7200 Buy Now
Rochester Electronics SN74CBT3345C 8-Bit FET Bus Switch with -2 V Undershoot Protection RoHS: Compliant Status: Active Min Qty: 1 32848
  • 1 $0.2875
  • 25 $0.2818
  • 100 $0.2703
  • 500 $0.2587
  • 1,000 $0.2444
$0.2444 / $0.2875 Buy Now
Ameya Holding Limited IC SWITCH BUS 8BIT FET 20-QSOP 13460
RFQ

Part Details for SN74CBT3345CDBQR

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SN74CBT3345CDBQR Part Data Attributes

Parametric Data
SN74CBT3345CDBQR Texas Instruments
Buy Now Datasheet
Compare Parts:
SN74CBT3345CDBQR Texas Instruments 5-V, 1:1 (SPST), 8-channel bus switch with -2-V undershoot protection 20-SSOP -40 to 85
Select a part to compare:
Pbfree Code Yes
Rohs Code Yes
Part Life Cycle Code Active
Ihs Manufacturer TEXAS INSTRUMENTS INC
Part Package Code QSOP
Package Description QSOP-20
Pin Count 20
Reach Compliance Code compliant
ECCN Code EAR99
HTS Code 8542.39.00.01
Samacsys Manufacturer Texas Instruments
Control Type ENABLE LOW/HIGH
Count Direction BIDIRECTIONAL
Family CBT/FST/QS/5C/B
JESD-30 Code R-PDSO-G20
JESD-609 Code e4
Length 8.65 mm
Logic IC Type BUS DRIVER
Moisture Sensitivity Level 2
Number of Bits 8
Number of Functions 8
Number of Ports 2
Number of Terminals 20
Operating Temperature-Max 85 °C
Operating Temperature-Min -40 °C
Output Characteristics 3-STATE
Output Polarity TRUE
Package Body Material PLASTIC/EPOXY
Package Code SSOP
Package Equivalence Code SSOP20,.25
Package Shape RECTANGULAR
Package Style SMALL OUTLINE, SHRINK PITCH
Packing Method TR
Peak Reflow Temperature (Cel) 260
Power Supply Current-Max (ICC) 0.05 mA
Prop. Delay@Nom-Sup 0.15 ns
Propagation Delay (tpd) 0.24 ns
Qualification Status Not Qualified
Seated Height-Max 1.75 mm
Supply Voltage-Max (Vsup) 5.5 V
Supply Voltage-Min (Vsup) 4 V
Supply Voltage-Nom (Vsup) 5 V
Surface Mount YES
Technology CMOS
Temperature Grade INDUSTRIAL
Terminal Finish Nickel/Palladium/Gold (Ni/Pd/Au)
Terminal Form GULL WING
Terminal Pitch 0.635 mm
Terminal Position DUAL
Time@Peak Reflow Temperature-Max (s) 30
Width 3.9 mm

Alternate Parts for SN74CBT3345CDBQR

This table gives cross-reference parts and alternative options found for SN74CBT3345CDBQR. 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 SN74CBT3345CDBQR, 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
FST3345QSC Fairchild Semiconductor Corporation Check for Price Bus Driver, CBT/FST/QS/5C/B Series, 1-Func, 8-Bit, True Output, CMOS, PDSO20, 0.150 INCH, MO-137, QSOP-20 SN74CBT3345CDBQR vs FST3345QSC
74FST3345QSR onsemi Check for Price IC CBT/FST/QS/5C/B SERIES, 8-BIT DRIVER, TRUE OUTPUT, PDSO20, QSOP-20, Bus Driver/Transceiver SN74CBT3345CDBQR vs 74FST3345QSR
SN74CBT3345DBQ Texas Instruments Check for Price CBT/FST/QS/5C/B SERIES, 8-BIT DRIVER, TRUE OUTPUT, PDSO20, SSOP-20 SN74CBT3345CDBQR vs SN74CBT3345DBQ
74FST3345QS onsemi Check for Price CBT/FST/QS/5C/B SERIES, 8-BIT DRIVER, TRUE OUTPUT, PDSO20, QSOP-20 SN74CBT3345CDBQR vs 74FST3345QS
SN74CBT3345DBQRE4 Texas Instruments Check for Price CBT/FST/QS/5C/B SERIES, 8-BIT DRIVER, TRUE OUTPUT, PDSO20, GREEN, PLASTIC, QSOP-20 SN74CBT3345CDBQR vs SN74CBT3345DBQRE4
SN74CBT3345DBQRG4 Texas Instruments Check for Price CBT/FST/QS/5C/B SERIES, 8-BIT DRIVER, TRUE OUTPUT, PDSO20, GREEN, PLASTIC, QSOP-20 SN74CBT3345CDBQR vs SN74CBT3345DBQRG4
Part Number Manufacturer Composite Price Description Compare
SN74CBT3345DBQR Texas Instruments Check for Price CBT/FST/QS/5C/B SERIES, 8-BIT DRIVER, TRUE OUTPUT, PDSO20, GREEN, PLASTIC, QSOP-20 SN74CBT3345CDBQR vs SN74CBT3345DBQR
74FST3345QSR Rochester Electronics LLC Check for Price CBT/FST/QS/5C/B SERIES, 8-BIT DRIVER, TRUE OUTPUT, PDSO20, QSOP-20 SN74CBT3345CDBQR vs 74FST3345QSR
FST3345QSCX Fairchild Semiconductor Corporation Check for Price Bus Driver, CBT/FST/QS/5C/B Series, 1-Func, 8-Bit, True Output, CMOS, PDSO20, 0.150 INCH, MO-137, QSOP-20 SN74CBT3345CDBQR vs FST3345QSCX
SN74CBT3345DGVRE4 Texas Instruments Check for Price 8-Bit FET Bus Switch 20-TVSOP -40 to 85 SN74CBT3345CDBQR vs SN74CBT3345DGVRE4
SN74CBT3345CPWRE4 Texas Instruments Check for Price CBT/FST/QS/5C/B SERIES, 8-BIT DRIVER, TRUE OUTPUT, PDSO20, GREEN, PLASTIC, TSSOP-20 SN74CBT3345CDBQR vs SN74CBT3345CPWRE4
HD74CBT3345T Renesas Electronics Corporation Check for Price CBT/FST/QS/5C/B SERIES, 8-BIT DRIVER, TRUE OUTPUT, PDSO20, TSSOP-20 SN74CBT3345CDBQR vs HD74CBT3345T
SN74CBT3345CPWRG4 Texas Instruments Check for Price CBT/FST/QS/5C/B SERIES, 8-BIT DRIVER, TRUE OUTPUT, PDSO20, GREEN, PLASTIC, TSSOP-20 SN74CBT3345CDBQR vs SN74CBT3345CPWRG4
FST3345MTCX Rochester Electronics LLC Check for Price CBT/FST/QS/5C/B SERIES, 8-BIT DRIVER, TRUE OUTPUT, PDSO20, 4.40 MM, MO-153AC, TSSOP-20 SN74CBT3345CDBQR vs FST3345MTCX
SN74CBT3345PWRG4 Texas Instruments Check for Price CBT/FST/QS/5C/B SERIES, 8-BIT DRIVER, TRUE OUTPUT, PDSO20, GREEN, PLASTIC, TSSOP-20 SN74CBT3345CDBQR vs SN74CBT3345PWRG4
SN74CBT3345CDGVR Texas Instruments Check for Price CBT/FST/QS/5C/B SERIES, 8-BIT DRIVER, TRUE OUTPUT, PDSO20, GREEN, PLASTIC, TVSOP-20 SN74CBT3345CDBQR vs SN74CBT3345CDGVR

SN74CBT3345CDBQR Related Parts

SN74CBT3345CDBQR Frequently Asked Questions (FAQ)

  • The maximum operating frequency of the SN74CBT3345CDBQR is 250 MHz, but it can vary depending on the specific application and system design.

  • To ensure signal integrity, it's essential to follow proper PCB design and layout guidelines, such as using controlled impedance traces, minimizing signal routing distances, and using termination resistors as needed.

  • Yes, the SN74CBT3345CDBQR can be used in a 3.3V system. The recommended power supply voltage range is 2.3V to 3.6V, with a maximum current consumption of 20mA per channel.

  • Thermal management is crucial for the SN74CBT3345CDBQR. Ensure good airflow around the device, use a heat sink if necessary, and follow proper PCB thermal design guidelines to minimize thermal resistance.

  • The SN74CBT3345CDBQR has built-in ESD protection and latch-up prevention measures, including diodes and resistors to protect against electrostatic discharge and latch-up events.