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SN74FB1650

AKTIV

Universeller 18-Bit-TTL/BTL-Speichertransceiver

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Datenblatt

SN74FB1650

AKTIV
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Produktdetails

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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Top-Dokumentation Typ Titel Format-Optionen Neueste englische Version herunterladen Datum
* Datenblatt SN74FB1650 datasheet (Rev. O) 10.03.2004
Anwendungshinweis Schematic Checklist - A Guide to Designing with Auto-Bidirectional Translators PDF | HTML 12.07.2024
Anwendungshinweis Understanding Transient Drive Strength vs. DC Drive Strength in Level-Shifters (Rev. A) PDF | HTML 03.07.2024
Auswahlhilfe Voltage Translation Buying Guide (Rev. A) 15.04.2021
Anwendungshinweis Next-Generation BTL/Futurebus Transceivers Allow Single-Sided SMT Manufacturing (Rev. C) 01.03.1997

Design und Entwicklung

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Simulationsmodell

SN74FB1650 IBIS Model (Rev. B)

SCBM009 (10 KB) - IBIS-Modell
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