Datasheets
SN74CB3Q3345DBQR by: Texas Instruments

3.3-V, 1:1 (SPST), 8-channel FET bus switch with 2 control inputs 20-SSOP -40 to 85

Part Details for SN74CB3Q3345DBQR by Texas Instruments

Results Overview of SN74CB3Q3345DBQR by Texas Instruments

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SN74CB3Q3345DBQR Information

SN74CB3Q3345DBQR 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
SN74CB3Q3345DBQR Texas Instruments 8-Bit FET 2.5-V/3.3-V Low-Voltage High-Bandwidth Bus Switch 20-SSOP -40 to 85

Price & Stock for SN74CB3Q3345DBQR

Part # Distributor Description Stock Price Buy
DISTI # 2156-SN74CB3Q3345DBQR-ND
DigiKey IC BUS SWITCH 8 X 1:1 20SSOP Min Qty: 1 Lead time: 18 Weeks Container: Bulk MARKETPLACE PRODUCT 30406
In Stock
  • 592 $0.5100
$0.5100 Buy Now
DISTI # 296-19139-1-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 $1.0400
  • 2,500 $0.4963
  • 5,000 $0.4842
  • 7,500 $0.4782
  • 12,500 $0.4715
  • 17,500 $0.4676
$0.4676 / $1.0400 Buy Now
DISTI # 595-SN74CB3Q3345DBQR
Mouser Electronics Digital Bus Switch ICs Lo-Vltg Hi-Bandwidth Bus Switch RoHS: Compliant 0
  • 2,500 $0.4960
  • 5,000 $0.4780
  • 10,000 $0.4660
$0.4660 / $0.4960 Order Now
DISTI # 86284775
Verical Bus Switch 1-Element CMOS 8-IN 20-Pin SSOP T/R RoHS: Compliant Min Qty: 684 Package Multiple: 1 Americas - 25000
  • 684 $0.5484
  • 1,000 $0.5180
$0.5180 / $0.5484 Buy Now
DISTI # 86283897
Verical Bus Switch 1-Element CMOS 8-IN 20-Pin SSOP T/R RoHS: Compliant Min Qty: 684 Package Multiple: 1 Date Code: 1401 Americas - 2500
  • 684 $0.5484
  • 1,000 $0.5180
$0.5180 / $0.5484 Buy Now
DISTI # 86288760
Verical Bus Switch 1-Element CMOS 8-IN 20-Pin SSOP T/R RoHS: Compliant Min Qty: 684 Package Multiple: 1 Date Code: 0601 Americas - 2500
  • 684 $0.5484
  • 1,000 $0.5180
$0.5180 / $0.5484 Buy Now
Rochester Electronics SN74CB3Q3345 8-Bit FET 2.5-V/3.3-V Low-Voltage High-Bandwidth Bus Switch RoHS: Compliant Status: Active Min Qty: 1 30406
  • 1 $0.4875
  • 25 $0.4778
  • 100 $0.4583
  • 500 $0.4387
  • 1,000 $0.4144
$0.4144 / $0.4875 Buy Now

Part Details for SN74CB3Q3345DBQR

SN74CB3Q3345DBQR CAD Models

SN74CB3Q3345DBQR Part Data Attributes

SN74CB3Q3345DBQR Texas Instruments
Buy Now Datasheet
Compare Parts:
SN74CB3Q3345DBQR Texas Instruments 3.3-V, 1:1 (SPST), 8-channel FET bus switch with 2 control inputs 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 SSOP
Pin Count 20
Reach Compliance Code compliant
ECCN Code EAR99
HTS Code 8542.39.00.01
Samacsys Manufacturer Texas Instruments
Additional Feature ALSO OPERATES WITH 3.3V SUPPLY
Control Type ENABLE LOW/HIGH
Count Direction BIDIRECTIONAL
Family CB3Q/3VH/3C/2B
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) 2 mA
Prop. Delay@Nom-Sup 0.2 ns
Propagation Delay (tpd) 0.2 ns
Qualification Status Not Qualified
Seated Height-Max 1.75 mm
Supply Voltage-Max (Vsup) 3.6 V
Supply Voltage-Min (Vsup) 2.3 V
Supply Voltage-Nom (Vsup) 2.5 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

SN74CB3Q3345DBQR Related Parts

SN74CB3Q3345DBQR Frequently Asked Questions (FAQ)

  • The maximum operating frequency of the SN74CB3Q3345DBQR is 260 MHz, but it can vary depending on the specific application and capacitive load.

  • To ensure signal integrity, use proper PCB layout techniques, such as minimizing trace length, using differential pairs, and adding termination resistors as needed. Additionally, consider using a signal integrity analysis tool to simulate and optimize your design.

  • The recommended power-up sequence is to apply VCC first, followed by VCCA, and then the input signals. This ensures proper device operation and prevents potential latch-up conditions.

  • Yes, the SN74CB3Q3345DBQR can be used in a 3.3V system, but the output voltage will be limited to 3.3V. Additionally, the device's performance may be affected at lower supply voltages, and the maximum operating frequency may be reduced.

  • To handle thermal management, ensure good airflow around the device, use a heat sink if necessary, and follow proper PCB thermal design guidelines. The device's thermal pad should be connected to a solid ground plane to help dissipate heat.