ZHCSQI5I August   1990  – October 2022 SN55LBC176 , SN65LBC176 , SN75LBC176

PRODUCTION DATA  

  1. 特性
  2. 说明
  3. Revision History
  4. 说明(续)
  5. Pin Configuration and Functions
  6. Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 Recommended Operating Conditions
    3. 6.3 Thermal Information: SN55LBC176
    4. 6.4 Thermal Information: SN65LBC176, SN75LBC176
    5. 6.5 Dissipation Ratings
    6. 6.6 Driver Electrical Characteristics
    7. 6.7 Driver Switching Characteristics
    8. 6.8 Receiver Electrical Characteristics
    9. 6.9 Receiver Switching Characteristics
  7. Parameter Measurement Information
  8. Detailed Description
    1. 8.1 Functional Block Diagram
    2. 8.2 Device Functional Modes
  9. Device and Documentation Support
    1. 9.1 Device Support
      1. 9.1.1 Thermal Characteristics of IC Packages
    2. 9.2 Trademarks
    3. 9.3 Electrostatic Discharge Caution
    4. 9.4 术语表
  10. 10Mechanical, Packaging, and Orderable Information

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机械数据 (封装 | 引脚)
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订购信息

Receiver Electrical Characteristics

over recommended ranges of common-mode input voltage, supply voltage, and operating free-air temperature (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP(1) MAX UNIT
VIT+ Positive-going input threshold voltage VO = 2.7 V, IO = –0.4 mA 0.2 V
VIT – Negative-going input threshold voltage VO = 0.5 V, IO = 8 mA –0.2(2) V
Vhys Hysteresis voltage (VIT+ – VIT–) (see Figure 7-4) 50 mV
VIK Enable-input clamp voltage II = –18 mA –1.5 V
VOH High level output voltage VID = 200 mV, IOH = –400 µA, 2.7 V
See Figure 7-6
VOL Low level output voltage VID = −200 mV, IOL = 8 mA, 0.45 V
See Figure 7-6
IOZ High-impedance-state output current VO = 0.4 V to 2.4 V –20 20 µA
II Line input current Other input = 0 V,
See (3)
VI = 12 V 1 mA
VI = –7 V –0.8
IIH High-level enable-input current VIH = 2.7 V –100 µA
IIL Low-level enable-input current VIL = 0.4 V –100 µA
rI Input resistance 12
ICC Supply current VI = 0 or VCC,
No load
Receiver enabled
and driver disabled
3.9 mA
Receiver and
driver disabled
SN55LBC176,
SN65LBC176,
SN65LBC176Q
0.25 mA
SN75LBC176 0.2
All typical values are at VCC = 5 V, TA = 25°C.
The algebraic convention, in which the less-positive (more-negative) limit is designated minimum, is used in this data sheet.
This applies for both power on and power off. Refer to ANSI Standard RS-485 for exact conditions.