SN74FB1650

アクティブ

18 ビット、TTL/BTL、ユニバーサル ストレージ トランシーバ

製品詳細

Bits (#) 18 Data rate (max) (Mbps) 300 Topology Open drain, Push-Pull Output drive capability (max) (mA) 100000 Vin (min) (V) 4.5 Vin (max) (V) 5.5 Applications GTL Features Single supply Technology family FB Supply current (max) (mA) 120 Rating Catalog Operating temperature range (°C) 0 to 70
Bits (#) 18 Data rate (max) (Mbps) 300 Topology Open drain, Push-Pull Output drive capability (max) (mA) 100000 Vin (min) (V) 4.5 Vin (max) (V) 5.5 Applications GTL Features Single supply Technology family FB Supply current (max) (mA) 120 Rating Catalog Operating temperature range (°C) 0 to 70
HLQFP (PCA) 100 256 mm² (16 mm × 16 mm)
  • Compatible With IEEE Std 1194.1-1991 (BTL)
  • TTL A Port, Backplane Transceiver Logic (BTL) B\ Port
  • Open-Collector B\-Port Outputs Sink 100 mA
  • BIAS VCC Minimizes Signal Distortion During Live Insertion or Withdrawal
  • High-Impedance State During Power Up and Power Down
  • B\-Port Biasing Network Preconditions the Connector and PC Trace to the BTL High-Level Voltage
  • TTL-Input Structures Incorporate Active Clamping to Aid in Line Termination

  • Compatible With IEEE Std 1194.1-1991 (BTL)
  • TTL A Port, Backplane Transceiver Logic (BTL) B\ Port
  • Open-Collector B\-Port Outputs Sink 100 mA
  • BIAS VCC Minimizes Signal Distortion During Live Insertion or Withdrawal
  • High-Impedance State During Power Up and Power Down
  • B\-Port Biasing Network Preconditions the Connector and PC Trace to the BTL High-Level Voltage
  • TTL-Input Structures Incorporate Active Clamping to Aid in Line Termination

The SN74FB1650 contains two 9-bit transceivers designed to translate signals between TTL and backplane transceiver-logic (BTL) environments. The device is designed specifically to be compatible with IEEE Std 1194.1-1991.

The B\ port operates at BTL-signal levels. The open-collector B\ ports are specified to sink 100 mA. Two output enables (OEB and OEB\) are provided for the B\ outputs. When OEB is low, OEB\ is high, or VCC is less than 2.1 V, the B\ port is turned off.

The A port operates at TTL-signal levels. The A outputs reflect the inverse of the data at the B\ port when the A-port output enable (OEA) is high. When OEA is low or when VCC is less than 2.1 V, the A outputs are in the high-impedance state.

BIAS VCC establishes a voltage between 1.62 V and 2.1 V on the BTL outputs when VCC is not connected.

BG VCC and BG GND are the supply inputs for the bias generator.

The SN74FB1650 contains two 9-bit transceivers designed to translate signals between TTL and backplane transceiver-logic (BTL) environments. The device is designed specifically to be compatible with IEEE Std 1194.1-1991.

The B\ port operates at BTL-signal levels. The open-collector B\ ports are specified to sink 100 mA. Two output enables (OEB and OEB\) are provided for the B\ outputs. When OEB is low, OEB\ is high, or VCC is less than 2.1 V, the B\ port is turned off.

The A port operates at TTL-signal levels. The A outputs reflect the inverse of the data at the B\ port when the A-port output enable (OEA) is high. When OEA is low or when VCC is less than 2.1 V, the A outputs are in the high-impedance state.

BIAS VCC establishes a voltage between 1.62 V and 2.1 V on the BTL outputs when VCC is not connected.

BG VCC and BG GND are the supply inputs for the bias generator.

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技術資料

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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 SN74FB1650 データシート (Rev. O) 2004/03/10
アプリケーション・ノート Schematic Checklist - A Guide to Designing with Auto-Bidirectional Translators PDF | HTML 2024/07/12
アプリケーション・ノート Understanding Transient Drive Strength vs. DC Drive Strength in Level-Shifters (Rev. A) PDF | HTML 2024/07/03
セレクション・ガイド Voltage Translation Buying Guide (Rev. A) 2021/04/15
アプリケーション・ノート Next-Generation BTL/Futurebus Transceivers Allow Single-Sided SMT Manufacturing (Rev. C) 1997/03/01

設計と開発

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シミュレーション・モデル

SN74FB1650 IBIS Model (Rev. B)

SCBM009 (10 KB) - IBIS モデル
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