Product details


Operating temperature range (C) 0 to 70 open-in-new Find other Other interfaces

Package | Pins | Size

PDIP (N) 16 181 mm² 19.3 x 9.4 SOP (NS) 16 80 mm² 10.2 x 7.8 open-in-new Find other Other interfaces


  • Meets or Exceeds the Requirements of IBMTM System 360 Input/Output Interface Specification
  • Operates From Single 5-V Supply
  • TTL Compatible
  • Built-In Input Threshold Hysteresis
  • High Speed . . . Typical Propagation Delay Time = 20 ns
  • Independent Channel Strobes
  • Input Gating Increases Application Flexibility
  • Designed for Use With Dual Line Driver SN75123
  • Designed to Be Interchangeable With Signetics N8T24

    IBM is a trademark of International Business Machines Corp.

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The SN75124 triple line receiver is specifically designed to meet the input/output interface specifications for IBM System 360. It is also compatible with standard TTL logic and supply voltage levels.

The SN75124 has receiver inputs with built-in hysteresis to provide increased noise margin for single-ended systems. An open line affects the receiver input as does a low-level input voltage, and the receiver input can withstand a level of -0.15 V with power on or off. The other inputs are in TTL configuration. The S input must be high to enable the receiver input. Two of the line receivers have A and B inputs that, if both are high, hold the output low. The third receiver has only an A input that, if high, holds the output low.

See the SN751730 for new IBM 360/370 interface designs.

The SN75124 is characterized for operation from 0°C to 70°C.

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Technical documentation

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* Datasheet Triple Line Receiver datasheet (Rev. B) May 01, 1995

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