SN74CB3Q3253

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2-kanaliger FET-Busschalter, 3,3 V, 4:1

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Datenblatt

document-pdfAcrobat SN74CB3Q3253 Dual 1-of-4 FET Multiplexer – Demultiplexer 2.5-V – 3.3-V Low-Voltage High-Bandwidth Bus Switch datasheet (Rev. C) (Englisch) PDF | HTML

SN74CB3Q3253

AKTIV

Datenblatt

Jetzt bestellen

Produktdetails

Protocols

Analog

Configuration

4:1

Number of channels

2

Bandwidth (MHz)

500

Ron (typ) (mΩ)

3500

Input/output voltage (min) (V)

0

Input/output voltage (max) (V)

5.5

Supply current (typ) (µA)

700

Operating temperature range (°C)

-40 to 85

ESD CDM (kV)

1

Input/output continuous current (max) (mA)

64

COFF (typ) (pF)

3.5

CON (typ) (pF)

13

OFF-state leakage current (max) (µA)

1

Ron (max) (mΩ)

11000

VIH (min) (V)

1.7

VIL (max) (V)

0.8

Rating

Catalog

Protocols

Analog

Configuration

4:1

Number of channels

2

Bandwidth (MHz)

500

Ron (typ) (mΩ)

3500

Input/output voltage (min) (V)

0

Input/output voltage (max) (V)

5.5

Supply current (typ) (µA)

700

Operating temperature range (°C)

-40 to 85

ESD CDM (kV)

1

Input/output continuous current (max) (mA)

64

COFF (typ) (pF)

3.5

CON (typ) (pF)

13

OFF-state leakage current (max) (µA)

1

Ron (max) (mΩ)

11000

VIH (min) (V)

1.7

VIL (max) (V)

0.8

Rating

Catalog

TVSOP (DGV)

16

23.04 mm² (3.6 mm × 6.4 mm)

TSSOP (PW)

16

32 mm² (5 mm × 6.4 mm)

VQFN (RGY)

16

14 mm² (4 mm × 3.5 mm)

SSOP (DBQ)

16

29.4 mm² (4.9 mm × 6 mm)

High-Bandwidth Data Path (Up to 500 MHz) ⁽¹⁾
5-V Tolerant I/Os With Device Powered Up or Powered Down
Low and Flat ON-State Resistance (r_on) Characteristics Over Operating Range (r_on = 4 Ω Typical)
Rail-to-Rail Switching on Data I/O Ports
- 0- to 5-V Switching With 3.3-V V_CC
- 0- to 3.3-V Switching With 2.5-V V_CC
Bidirectional Data Flow With Near-Zero Propagation Delay
Low Input/Output Capacitance Minimizes Loading and Signal Distortion (C_io(OFF) = 3.5 pF Typical)
Fast Switching Frequency (f_OE = 20 MHz Max)
Data and Control Inputs Provide Undershoot Clamp Diodes
Low Power Consumption (I_CC= 0.6 mA Typical)
V_CC Operating Range From 2.3 V to 3.6 V
Data I/Os Support 0- to 5-V Signal Levels (0.8-V, 1.2-V, 1.5-V, 1.8-V, 2.5-V, 3.3-V, 5-V)
Control Inputs Can be Driven by TTL or 5-V and 3.3-V CMOS Outputs
I_off Supports Partial-Power-Down Mode Operation
Latch-Up Performance Exceeds 100 mA Per JESD 78, Class II
ESD Performance Tested Per JESD 22
- 2000-V Human-Body Model (A114-B, Class II)
- 1000-V Charged-Device Model (C101)
Supports Both Digital and Analog Applications: USB Interface, Differential Signal Interface Bus Isolation, Low-Distortion Signal Gating ⁽¹⁾

⁽¹⁾ For additional information regarding the performance characteristics of the CB3Q family, refer to the TI application report CBT-C, CB3T, and CB3Q Signal-Switch Families, (SCDA008).

High-Bandwidth Data Path (Up to 500 MHz) ⁽¹⁾
5-V Tolerant I/Os With Device Powered Up or Powered Down
Low and Flat ON-State Resistance (r_on) Characteristics Over Operating Range (r_on = 4 Ω Typical)
Rail-to-Rail Switching on Data I/O Ports
- 0- to 5-V Switching With 3.3-V V_CC
- 0- to 3.3-V Switching With 2.5-V V_CC
Bidirectional Data Flow With Near-Zero Propagation Delay
Low Input/Output Capacitance Minimizes Loading and Signal Distortion (C_io(OFF) = 3.5 pF Typical)
Fast Switching Frequency (f_OE = 20 MHz Max)
Data and Control Inputs Provide Undershoot Clamp Diodes
Low Power Consumption (I_CC= 0.6 mA Typical)
V_CC Operating Range From 2.3 V to 3.6 V
Data I/Os Support 0- to 5-V Signal Levels (0.8-V, 1.2-V, 1.5-V, 1.8-V, 2.5-V, 3.3-V, 5-V)
Control Inputs Can be Driven by TTL or 5-V and 3.3-V CMOS Outputs
I_off Supports Partial-Power-Down Mode Operation
Latch-Up Performance Exceeds 100 mA Per JESD 78, Class II
ESD Performance Tested Per JESD 22
- 2000-V Human-Body Model (A114-B, Class II)
- 1000-V Charged-Device Model (C101)
Supports Both Digital and Analog Applications: USB Interface, Differential Signal Interface Bus Isolation, Low-Distortion Signal Gating ⁽¹⁾

⁽¹⁾ For additional information regarding the performance characteristics of the CB3Q family, refer to the TI application report CBT-C, CB3T, and CB3Q Signal-Switch Families, (SCDA008).

The SN74CB3Q3253 device is a high-bandwidth FET bus switch using a charge pump to elevate the gate voltage of the pass transistor, providing a low and flat ON-state resistance (r_on). The low and flat ON-state resistance allows for minimal propagation delay and supports rail-to-rail switching on the data input and output (I/O) ports.

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Technische Dokumentation

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Top-Dokumentation	Typ	Titel	Format-Optionen	Datum
*	Datenblatt	SN74CB3Q3253 Dual 1-of-4 FET Multiplexer – Demultiplexer 2.5-V – 3.3-V Low-Voltage High-Bandwidth Bus Switch datasheet (Rev. C)	PDF \| HTML	27.06.2018
	Anwendungshinweis	Selecting the Correct Texas Instruments Signal Switch (Rev. E)	PDF \| HTML	02.06.2022
	Anwendungshinweis	Multiplexers and Signal Switches Glossary (Rev. B)	PDF \| HTML	01.12.2021
	Application brief	Eliminate Power Sequencing with Powered-off Protection Signal Switches (Rev. C)	PDF \| HTML	06.01.2021

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