Meets EIA Standards RS232-C, RS422 and RS423, Federal Standards 1020, 1030 and MIL-188-114
Input Voltage Range of ±15V (Differential or Common-mode)
Separate Strobe Input for Each Receiver
5k Typical Input Impedance
Optional 180Ω Termination Resistor
50mV Input Hysteresis
200mV Input Threshold
Separate Fail-safe Mode

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Meets EIA Standards RS232-C, RS422 and RS423, Federal Standards 1020, 1030 and MIL-188-114
Input Voltage Range of ±15V (Differential or Common-mode)
Separate Strobe Input for Each Receiver
5k Typical Input Impedance
Optional 180Ω Termination Resistor
50mV Input Hysteresis
200mV Input Threshold
Separate Fail-safe Mode

All trademarks are the property of their respective owners.

The DS78LS120QML is a high performance, dual differential, TTL compatible line receiver for both balanced and unbalanced digital data transmission. The inputs are compatible with EIA, Federal and MIL standards.

The line receiver will discriminate a ±200 mV input signal over a common-mode range of ±10V and a ±300 mV signal over a range of ±15V.

Circuit features include hysteresis and response control for applications where controlled rise and fall times and/or high frequency noise rejection are desirable. Threshold offset control is provided for fail-safe detection, should the input be open or short. Each receiver includes an optional 180Ω terminating resistor and the output gate contains a logic strobe for time discrimination. The DS78LS120QML is specified over a −55°C to +125°C temperature range.

Input specifications meet or exceed those of the popular DS7820 line receiver.

The DS78LS120QML is a high performance, dual differential, TTL compatible line receiver for both balanced and unbalanced digital data transmission. The inputs are compatible with EIA, Federal and MIL standards.

The line receiver will discriminate a ±200 mV input signal over a common-mode range of ±10V and a ±300 mV signal over a range of ±15V.

Circuit features include hysteresis and response control for applications where controlled rise and fall times and/or high frequency noise rejection are desirable. Threshold offset control is provided for fail-safe detection, should the input be open or short. Each receiver includes an optional 180Ω terminating resistor and the output gate contains a logic strobe for time discrimination. The DS78LS120QML is specified over a −55°C to +125°C temperature range.

Input specifications meet or exceed those of the popular DS7820 line receiver.

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	Typ	Titel		Datum
*	Data sheet	DS78LS120/QML Dual Differential Line Receiver (Noise Filtering and Fail-Safe) datasheet (Rev. C)		15 Apr 2013

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