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SN74CB3T3384

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Interruptor de bus FET de uso general de 3.3 V, 1:1 (SPST) y 10 canales con 2 entradas de control y

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SN74CB3T3384

ACTIVO
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Detalles del producto

Protocols Analog Configuration 1:1 SPST Number of channels 10 Bandwidth (MHz) 100 Ron (typ) (mΩ) 5000 Input/output voltage (min) (V) 0 Input/output voltage (max) (V) 5.5 Operating temperature range (°C) -40 to 85 ESD CDM (kV) 1 Input/output continuous current (max) (mA) 128 COFF (typ) (pF) 5 CON (typ) (pF) 4 OFF-state leakage current (max) (µA) 10 Ron (max) (mΩ) 8000 VIH (min) (V) 1.7 VIL (max) (V) 0.8 Rating Catalog
Protocols Analog Configuration 1:1 SPST Number of channels 10 Bandwidth (MHz) 100 Ron (typ) (mΩ) 5000 Input/output voltage (min) (V) 0 Input/output voltage (max) (V) 5.5 Operating temperature range (°C) -40 to 85 ESD CDM (kV) 1 Input/output continuous current (max) (mA) 128 COFF (typ) (pF) 5 CON (typ) (pF) 4 OFF-state leakage current (max) (µA) 10 Ron (max) (mΩ) 8000 VIH (min) (V) 1.7 VIL (max) (V) 0.8 Rating Catalog
SOIC (DW) 24 159.65 mm² (15.5 mm × 10.3 mm) TSSOP (PW) 24 49.92 mm² (7.8 mm × 6.4 mm) SSOP (DBQ) 24 51.9 mm² (8.65 mm × 6 mm)
  • Output Voltage Translation Tracks VCC
  • Supports Mixed-Mode Signal Operation On All Data I/O Ports
    • 5-V Input Down To 3.3-V Output Level Shift With 3.3-V VCC
    • 5-V/3.3-V Input Down To 2.5-V Output Level Shift With 2.5-V VCC
  • 5-V-Tolerant I/Os With Device Powered-Up or Powered-Down
  • Bidirectional Data Flow, With Near-Zero Propagation Delay
  • Low ON-State Resistance (ron) Characteristics (ron = 5 Typical)
  • Low Input/Output Capacitance Minimizes Loading (Cio(OFF) - 5 pF Typical)
  • Data and Control Inputs Provide Undershoot Clamp Diodes
  • Low Power Consumption (ICC = 40µA Max)
  • VCC Operating Range From 2.3 V to 3.6 V
  • Data I/Os Support 0 to 5-V Signaling 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/3.3-V CMOS Outputs
  • Ioff Supports Partial-Power-Down Mode Operation
  • Latch-Up Performance Exceeds 250 mA Per JESD 17
  • ESD Performance Tested Per JESD 22
    • 2000-V Human-Body Model (A114-B, Class II)
    • 1000-V Charged-Device Model (C101)
  • Supports Digital Applications: Level Translation, Memory Interleaving, Bus Isolation
  • Ideal for Low-Power Portable Equipment
  • Output Voltage Translation Tracks VCC
  • Supports Mixed-Mode Signal Operation On All Data I/O Ports
    • 5-V Input Down To 3.3-V Output Level Shift With 3.3-V VCC
    • 5-V/3.3-V Input Down To 2.5-V Output Level Shift With 2.5-V VCC
  • 5-V-Tolerant I/Os With Device Powered-Up or Powered-Down
  • Bidirectional Data Flow, With Near-Zero Propagation Delay
  • Low ON-State Resistance (ron) Characteristics (ron = 5 Typical)
  • Low Input/Output Capacitance Minimizes Loading (Cio(OFF) - 5 pF Typical)
  • Data and Control Inputs Provide Undershoot Clamp Diodes
  • Low Power Consumption (ICC = 40µA Max)
  • VCC Operating Range From 2.3 V to 3.6 V
  • Data I/Os Support 0 to 5-V Signaling 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/3.3-V CMOS Outputs
  • Ioff Supports Partial-Power-Down Mode Operation
  • Latch-Up Performance Exceeds 250 mA Per JESD 17
  • ESD Performance Tested Per JESD 22
    • 2000-V Human-Body Model (A114-B, Class II)
    • 1000-V Charged-Device Model (C101)
  • Supports Digital Applications: Level Translation, Memory Interleaving, Bus Isolation
  • Ideal for Low-Power Portable Equipment

The SN74CB3T3384 is a high-speed TTL-compatible FET bus switch with low ON-state resistance (ron), allowing for minimal propagation delay. The device fully supports mixed-mode signal operation on all data I/O ports by providing voltage translation that tracks VCC. The SN74CB3T3384 supports systems using 5-V TTL, 3.3-V LVTTL, and 2.5-V CMOS switching standards, as well as user-defined switching levels (see Figure 1).

The SN74CB3T3384 is organized as two 5-bit bus switches with separate ouput-enable (1OE\, 2OE\) inputs. It can be used as two 5-bit bus switches or as one 10-bit bus switch. When OE\ is low, the associated 5-bit bus switch is ON, and the A port is connected to the B port, allowing bidirectional data flow between ports. When OE\ is high, the associated 5-bit bus switch is OFF, and a high-impedance state exists between the A and B ports.

This device is fully specified for partial-power-down applications using Ioff. The Ioff feature ensures that damaging current will not backflow through the device when it is powered down. The device has isolation during power off.

To ensure the high-impedance state during power up or power down, OE\ should be tied to VCC through a pullup resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.

The SN74CB3T3384 is a high-speed TTL-compatible FET bus switch with low ON-state resistance (ron), allowing for minimal propagation delay. The device fully supports mixed-mode signal operation on all data I/O ports by providing voltage translation that tracks VCC. The SN74CB3T3384 supports systems using 5-V TTL, 3.3-V LVTTL, and 2.5-V CMOS switching standards, as well as user-defined switching levels (see Figure 1).

The SN74CB3T3384 is organized as two 5-bit bus switches with separate ouput-enable (1OE\, 2OE\) inputs. It can be used as two 5-bit bus switches or as one 10-bit bus switch. When OE\ is low, the associated 5-bit bus switch is ON, and the A port is connected to the B port, allowing bidirectional data flow between ports. When OE\ is high, the associated 5-bit bus switch is OFF, and a high-impedance state exists between the A and B ports.

This device is fully specified for partial-power-down applications using Ioff. The Ioff feature ensures that damaging current will not backflow through the device when it is powered down. The device has isolation during power off.

To ensure the high-impedance state during power up or power down, OE\ should be tied to VCC through a pullup resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.
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* Hoja de datos SN74CB3T3384 datasheet (Rev. B) 24/03/2004
Nota sobre la aplicación Selecting the Correct Texas Instruments Signal Switch (Rev. E) PDF | HTML 2/06/2022
Nota sobre la aplicación Multiplexers and Signal Switches Glossary (Rev. B) PDF | HTML 1/12/2021
Application brief Eliminate Power Sequencing with Powered-off Protection Signal Switches (Rev. C) PDF | HTML 6/01/2021

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Modelo de simulación

HSPICE Model for SN74CB3T3384

SCDJ040.ZIP (100 KB) - Modelo HSpice
Productos y hardware compatibles
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