SN74CB3Q3345PW
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Texas Instruments SN74CB3Q3345PW

Manufacturer No:
SN74CB3Q3345PW
Manufacturer:
Texas Instruments
Package:
Tube
Description:
IC BUS SWITCH 8 X 1:1 20TSSOP
Delivery:
Payment:
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Product Introduction

Overview

The SN74CB3Q3345PW, produced by Texas Instruments, is a high-bandwidth FET bus switch designed for low-voltage applications. This 8-bit bus switch is optimized for high-bandwidth requirements, making it ideal for broadband communications, networking, and data-intensive computing systems. The device utilizes a charge pump to elevate the gate voltage of the pass transistor, resulting in low and flat ON-state resistance (ron) and minimal propagation delay. It also features low data I/O capacitance to minimize capacitive loading and signal distortion on the data bus.

Key Specifications

ParameterMinMaxUnit
Supply Voltage (VCC)2.33.6V
High-Level Control Input Voltage (VIH)25.5V
Low-Level Control Input Voltage (VIL)00.8V
Data Input/Output Voltage (VI/O)05.5V
Operating Free-Air Temperature (TA)-4085°C
ON-State Resistance (ron) at VCC = 3.3 V, TA = 25°C, IO = -15 mA--Ω (Typical: ~2 Ω)
Switching Frequency--MHz (Dependent on OE/OE switching)

Key Features

  • High-bandwidth FET bus switch with low and flat ON-state resistance (ron) for minimal propagation delay.
  • Rail-to-rail switching on the data input/output (I/O) ports.
  • Low data I/O capacitance to minimize capacitive loading and signal distortion.
  • Two output-enable (OE, OE) inputs for control.
  • Supports 2.5-V and 3.3-V supply voltages.
  • Available in various package types including TSSOP, TVSOP, and VQFN.

Applications

  • Broadband communications systems.
  • Networking equipment.
  • Data-intensive computing systems.
  • High-speed data switching applications.

Q & A

  1. What is the primary function of the SN74CB3Q3345PW? The SN74CB3Q3345PW is an 8-bit FET bus switch designed for high-bandwidth applications, providing low and flat ON-state resistance and minimal propagation delay.
  2. What are the supported supply voltage ranges for the SN74CB3Q3345PW? The device supports supply voltages from 2.3 V to 3.6 V.
  3. What is the typical ON-state resistance (ron) of the SN74CB3Q3345PW? The typical ON-state resistance is around 2 Ω at VCC = 3.3 V, TA = 25°C, and IO = -15 mA.
  4. How many output-enable inputs does the SN74CB3Q3345PW have? The device has two output-enable (OE, OE) inputs.
  5. What are the typical applications for the SN74CB3Q3345PW? It is typically used in broadband communications, networking, and data-intensive computing systems.
  6. What package types are available for the SN74CB3Q3345PW? The device is available in TSSOP, TVSOP, and VQFN package types.
  7. What is the operating temperature range for the SN74CB3Q3345PW? The operating free-air temperature range is from -40°C to 85°C.
  8. How does the SN74CB3Q3345PW minimize signal distortion? It features low data I/O capacitance to minimize capacitive loading and signal distortion on the data bus.
  9. What is the significance of the charge pump in the SN74CB3Q3345PW? The charge pump elevates the gate voltage of the pass transistor, resulting in low and flat ON-state resistance.
  10. Can the SN74CB3Q3345PW be used in high-speed data switching applications? Yes, it is designed to support high-speed data switching due to its high-bandwidth characteristics.

Product Attributes

Type:Bus Switch
Circuit:8 x 1:1
Independent Circuits:1
Current - Output High, Low:- 
Voltage Supply Source:Single Supply
Voltage - Supply:2.3V ~ 3.6V
Operating Temperature:-40°C ~ 85°C
Mounting Type:Surface Mount
Package / Case:20-TSSOP (0.173", 4.40mm Width)
Supplier Device Package:20-TSSOP
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Similar Products

Part Number SN74CB3Q3345PW SN74CB3Q3345PWR SN74CB3Q3245PW SN74CB3Q3305PW
Manufacturer Texas Instruments Texas Instruments Texas Instruments Texas Instruments
Product Status Active Active Active Active
Type Bus Switch Bus Switch Bus Switch Bus Switch
Circuit 8 x 1:1 8 x 1:1 8 x 1:1 1 x 1:1
Independent Circuits 1 1 1 2
Current - Output High, Low - - - -
Voltage Supply Source Single Supply Single Supply Single Supply Single Supply
Voltage - Supply 2.3V ~ 3.6V 2.3V ~ 3.6V 2.3V ~ 3.6V 2.3V ~ 3.6V
Operating Temperature -40°C ~ 85°C -40°C ~ 85°C -40°C ~ 85°C -40°C ~ 85°C
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount
Package / Case 20-TSSOP (0.173", 4.40mm Width) 20-TSSOP (0.173", 4.40mm Width) 20-TSSOP (0.173", 4.40mm Width) 8-TSSOP (0.173", 4.40mm Width)
Supplier Device Package 20-TSSOP 20-TSSOP 20-TSSOP 8-TSSOP

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