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SN75154N Dataheets PDF



Part Number SN75154N
Manufacturers Texas Instruments
Logo Texas Instruments
Description QUADRUPLE LINE RECEIVER
Datasheet SN75154N DatasheetSN75154N Datasheet (PDF)

SN75154 QUADRUPLE LINE RECEIVER D Meets or Exceeds the Requirements of ANSI Standard EIA/TIA-232-E and ITU Recommendation V.28 D Input Resistance . . . 3 kΩ to 7 kΩ Over Full EIA/TIA-232-E Voltage Range D Input Threshold Adjustable to Meet Fail-Safe Requirements Without Using External Components D Built-In Hysteresis for Increased Noise Immunity D Inverting Output Compatible With TTL D Output With Active Pullup for Symmetrical Switching Speeds D Standard Supply Voltages . . . 5 V or 12 V SLLS0.

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SN75154 QUADRUPLE LINE RECEIVER D Meets or Exceeds the Requirements of ANSI Standard EIA/TIA-232-E and ITU Recommendation V.28 D Input Resistance . . . 3 kΩ to 7 kΩ Over Full EIA/TIA-232-E Voltage Range D Input Threshold Adjustable to Meet Fail-Safe Requirements Without Using External Components D Built-In Hysteresis for Increased Noise Immunity D Inverting Output Compatible With TTL D Output With Active Pullup for Symmetrical Switching Speeds D Standard Supply Voltages . . . 5 V or 12 V SLLS083B – NOVEMBER 1970 – REVISED MAY 1995 D OR N PACKAGE (TOP VIEW) 3T 1 2T 2 1T 3 1A 4 2A 5 3A 6 4A 7 GND 8 16 VCC2 15 VCC1 14 4T 13 1Y 12 2Y 11 3Y 10 4Y 9 R1† † For function of R1, see schematic description The SN75154 is a monolithic low-power Schottky line receiver designed to satisfy the requirements of the standard interface between data terminal equipment and data communication equipment as defined by ANSI Standard EIA/TIA-232-E. Other applications are for relatively short, single-line, point-to-point data transmission and for level translators. Operation is normally from a single 5-V supply; however, a built-in option allows operation from a 12-V supply without the use of additional components. The output is compatible with most TTL circuits when either supply voltage is used. In normal operation, the threshold-control terminals are connected to the VCC1 terminal, even if power is being supplied via the alternate VCC2 terminal. This provides a wide hysteresis loop, which is the difference between the positive-going and negative-going threshold voltages. See typical characteristics. In this mode of operation, if the input voltage goes to zero, the output voltage will remain at the low or high level as determined by the previous input. For fail-safe operation, the threshold-control terminals are open. This reduces the hysteresis loop by causing the negative-going threshold voltage to be above zero. The positive-going threshold voltage remains above zero as it is unaffected by the disposition of the threshold terminals. In the fail-safe mode, if the input voltage goes to zero or an open-circuit condition, the output will go to the high level regardless of the previous input condition. The SN75154 is characterized for operation from 0°C to 70°C. Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. • POST OFFICE BOX 655303 DALLAS, TEXAS 75265 Copyright © 1995, Texas Instruments Incorporated 1 SN75154 QUADRUPLE LINE RECEIVER SLLS083B – NOVEMBER 1970 – REVISED MAY 1995 logic symbol† 4 1A 3 1T 5 2A 2 2T 6 3A 1 3T 7 4A 14 4T THRS ADJ 13 1Y 12 2Y 11 3Y 10 .


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