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SN74FB1651

Features: *Compatible With IEEE 1194.1-1991 (BTL) *TTL A Port, Backplane Transceiver Logic (BTL) B Port*Open-Collector B-Port Outputs Sink100 mA*BIAS VCC Minimizes Signal Distortion During Live Insertion or Withdrawal*High-Impedance State During Power Up and Power Down*B-Port Biasing Network Preco...

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SN74FB1651: Features: *Compatible With IEEE 1194.1-1991 (BTL) *TTL A Port, Backplane Transceiver Logic (BTL) B Port*Open-Collector B-Port Outputs Sink100 mA*BIAS VCC Minimizes Signal Distortion During Live Inse...

SN74FB1651 Data Sheet

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Part Number:
SN74FB1651
Supply Ability:
5000

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  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

*Compatible With IEEE 1194.1-1991 (BTL)
*TTL A Port, Backplane Transceiver Logic (BTL) B Port
*Open-Collector B-Port Outputs Sink100 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
*Packaged in Plastic High-Power
  Low-Profile Quad Flatpack 


Pinout

Connection Diagram


Specifications

Supply voltage range, VCC BIAS VCC, BG VCC....-0.5 V to 7V 
Input voltage range, VI:Except B port ..............-1.2 V to 7V
                                      B port .......................-1.2 V to 3.5V
Voltage range applied to any B output in the disabled
   or power-off state,VO..................................-0.5 V to 3.5V
Voltage range applied to any output in the high state,
                                            VO : A port...........-0.5 V to VCC
Input clamp current, IIK:Except B port .......................-40mA
                                      B port ...................................-18mA
Current applied to any single output in the low state, IO:
                                      A port......................................48mA
                                      B port ...................................200mA
Package thermal impedance,  JA(see Note 1)...........22/W
Storage temperature range, Tstg....................-65 to 150 


Description

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

    The SN74FB1651 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 SN74FB1651 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.

    SN74FB1651 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 is characterized for operation from 0°C to 70°C.




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