SLLS067I August   1990  – October 2022 SN55LBC176 , SN65LBC176 , SN75LBC176

PRODUCTION DATA  

  1. 1 Features
  2. 2 Description
  3. 3 Revision History
  4. 4 Description (Continued)
  5. 5 Pin Configuration and Functions
  6. 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. 7 Parameter Measurement Information
  8. 8 Detailed Description
    1. 8.1 Functional Block Diagram
    2. 8.2 Device Functional Modes
  9. 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 Glossary
  10. 10Mechanical, Packaging, and Orderable Information

Package Options

Mechanical Data (Package|Pins)
Thermal pad, mechanical data (Package|Pins)
Orderable Information

6.7 Driver Switching Characteristics

over recommended ranges of supply voltage and operating free-air temperature
PARAMETER TEST CONDITIONS SN55LBC176
SN65LBC176Q		 SN65LBC176
SN75LBC176		 UNIT
MIN TYP MAX MIN TYP(1) MAX
td(OD) Differential output delay time RL = 54 Ω,
See Figure 7-3		 CL = 50 pF, 8 31 8 25 ns
tt(OD) Differential output transition time 12 12 ns
tsk(p) Pulse skew (|td(ODH) – td(ODL)|) 6 0 6 ns
tPZH Output enable time to high level RL = 110 Ω, See Figure 7-4 65 35 ns
tPZL Output enable time to low level RL = 110 Ω, See Figure 7-5 65 35 ns
tPHZ Output disable time from high level RL = 110 Ω, See Figure 7-4 105 60 ns
tPLZ Output disable time from low level RL = 110 Ω, See Figure 7-5 105 35 ns
(1) All typical values are at VCC = 5 V, TA = 25°C.
Table 6-1 Driver Symbol Equivalents
DATA SHEET PARAMETER RS-485
VO Voa, Vob
| VOD1 | Vo
| VOD2 | Vt (RL = 54 Ω)
| VOD | Vt (test termination
measurement 2)
Δ | VOD | || Vt | – | Vt||
VOC | Vos |
Δ | VOC | | Vos – Vos |
IOS None
IO Iia, Iib