SN74CBTD3384C

アクティブ

–2V アンダーシュート保護機能搭載、5V、1:1 (SPST)、10 チャネル汎用 FET バス スイッチ

製品詳細

Protocols Analog Configuration 1:1 SPST Number of channels 10 Bandwidth (MHz) 20 Ron (typ) (mΩ) 3000 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) 12.5 OFF-state leakage current (max) (µA) 10 Ron (max) (mΩ) 20000 VIH (min) (V) 2 VIL (max) (V) 0.8 Rating Catalog
Protocols Analog Configuration 1:1 SPST Number of channels 10 Bandwidth (MHz) 20 Ron (typ) (mΩ) 3000 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) 12.5 OFF-state leakage current (max) (µA) 10 Ron (max) (mΩ) 20000 VIH (min) (V) 2 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 (DB) 24 63.96 mm² (8.2 mm × 7.8 mm) SSOP (DBQ) 24 51.9 mm² (8.65 mm × 6 mm) TVSOP (DGV) 24 32 mm² (5 mm × 6.4 mm)
  • Undershoot Protection for Off-Isolation on A and B Ports Up To –2 V
  • Integrated Diode to VCC Provides 5-V Input Down To 3.3-V Output Level Shift
  • Bidirectional Data Flow, With Near-Zero Propagation Delay
  • Low ON-State Resistance (ron) Characteristics (ron = 3 Typical)
  • Low Input/Output Capacitance Minimizes Loading and Signal Distortion (Cio(OFF) = 5 pF Typical)
  • Data and Control Inputs Provide Undershoot Clamp Diodes
  • VCC Operating Range From 4.5 V to 5.5 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 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: Memory Interleaving, Bus Isolation, Low-Distortion Signal Gating

  • Undershoot Protection for Off-Isolation on A and B Ports Up To –2 V
  • Integrated Diode to VCC Provides 5-V Input Down To 3.3-V Output Level Shift
  • Bidirectional Data Flow, With Near-Zero Propagation Delay
  • Low ON-State Resistance (ron) Characteristics (ron = 3 Typical)
  • Low Input/Output Capacitance Minimizes Loading and Signal Distortion (Cio(OFF) = 5 pF Typical)
  • Data and Control Inputs Provide Undershoot Clamp Diodes
  • VCC Operating Range From 4.5 V to 5.5 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 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: Memory Interleaving, Bus Isolation, Low-Distortion Signal Gating

The SN74CBTD3384C is a high-speed TTL-compatible FET bus switch with low ON-state resistance, allowing for minimal propagation delay. This device features an integrated diode to VCC to provide level shifting for 5-V input down to 3.3-V output levels. Active Undershoot-Protection Circuitry on the A and B ports of the SN74CBTD3384C provides protection for undershoot down to –2 V by sensing an undershoot event and ensuring that the switch remains in the proper state.

The SN74CBTD3384C is organized as two 5-bit bus switches with separate output-enable (OE)\ 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 port A is connected to port B. 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.

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 SN74CBTD3384C is a high-speed TTL-compatible FET bus switch with low ON-state resistance, allowing for minimal propagation delay. This device features an integrated diode to VCC to provide level shifting for 5-V input down to 3.3-V output levels. Active Undershoot-Protection Circuitry on the A and B ports of the SN74CBTD3384C provides protection for undershoot down to –2 V by sensing an undershoot event and ensuring that the switch remains in the proper state.

The SN74CBTD3384C is organized as two 5-bit bus switches with separate output-enable (OE)\ 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 port A is connected to port B. 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.

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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SN74CBT3384C アクティブ –2V アンダーシュート保護機能搭載、3.3V、1:1 (SPST)、10 チャネル汎用 FET バス スイッチ Higher Bandwidth Replacement

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上位の文書 タイプ タイトル フォーマットオプション 最新の英語版をダウンロード 日付
* データシート SN74CBTD3384C データシート (Rev. A) 2003/10/15
アプリケーション・ノート テキサス インスツルメンツの信号スイッチの選定 PDF | HTML PDF | HTML 2026/06/29
アプリケーション・ノート Multiplexers and Signal Switches Glossary (Rev. B) PDF | HTML 2021/12/01
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シミュレーション・モデル

SN74CBTD3384C IBIS Model

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サポート対象の製品とハードウェア
パッケージ ピン数 CAD シンボル、フットプリント、および 3D モデル
SOIC (DW) 24 Ultra Librarian
TSSOP (PW) 24 Ultra Librarian
SSOP (DB) 24 Ultra Librarian
SSOP (DBQ) 24 Ultra Librarian
TVSOP (DGV) 24 Ultra Librarian

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