ZHCSMZ5D April   2020  – January 2023 TLV841

PRODUCTION DATA  

  1. 1 特性
  2. 2 应用
  3. 3 说明
  4. 4 Revision History
  5. 5 Device Comparison
  6. 6 Pin Configuration and Functions
  7. 7 Specifications
    1. 7.1 Absolute Maximum Ratings
    2. 7.2 ESD Ratings
    3. 7.3 Recommended Operating Conditions
    4. 7.4 Thermal Information
    5. 7.5 Electrical Characteristics
    6. 7.6 Timing Requirements
    7. 7.7 Timing Diagrams
    8. 7.8 Typical Characteristics
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 Input Voltage (VDD)
        1. 8.3.1.1 VDD Hysteresis
        2. 8.3.1.2 VDD Transient Immunity
      2. 8.3.2 SENSE Input (TLV841S)
        1. 8.3.2.1 SENSE Hysteresis
        2. 8.3.2.2 Immunity to SENSE Pin Voltage Transients
      3. 8.3.3 User-Programmable Reset Time Delay for TLV841C only
      4. 8.3.4 Manual Reset (MR) Input for TLV841M only
      5. 8.3.5 Output Logic
        1. 8.3.5.1 RESET Output, Active-Low
        2. 8.3.5.2 RESET Output, Active-High
    4. 8.4 Device Functional Modes
      1. 8.4.1 Normal Operation (VDD > VPOR)
      2. 8.4.2 Below Power-On-Reset (VDD < VPOR)
  9. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Application
      1. 9.2.1 Design Requirements
      2. 9.2.2 Detailed Design Procedure
      3. 9.2.3 Application Curves: TLV841EVM
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  12. 12Device and Documentation Support
    1. 12.1 Device Nomenclature
    2. 12.2 Documentation Support
      1. 12.2.1 Related Documentation
    3. 12.3 接收文档更新通知
    4. 12.4 支持资源
    5. 12.5 Trademarks
    6. 12.6 静电放电警告
    7. 12.7 术语表
  13. 13Mechanical, Packaging, and Orderable Information

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8.4 Device Functional Modes

#GUID-BF73AF13-2EC4-4679-AD29-E6254BD1A1DD/SBVS0505415 and #GUID-BF73AF13-2EC4-4679-AD29-E6254BD1A1DD/GUID-3470CDF0-F105-4980-93DA-CD41C5088261 summarizes the various functional modes of the device. Logic high is represented by "H" and logic low is represented by "L".

Table 8-1 Truth Table for TLV841S
VDD SENSE RESET
(ACTIVE-HIGH)		 RESET
(ACTIVE-LOW)
VDD < VPOR — Undefined Undefined
VPOR < VDD < VDD(MIN) (1) — H L
VDD ≥ VDD(MIN) VSENSE< VIT- H L
VDD ≥ VDD(MIN) VSENSE > VIT- + VHYS L H
(1) When VDD falls below VDD(MIN), undervoltage-lockout (UVLO) takes effect and RESET is held logic low (RESET is held logic high) until VDD falls below VPOR at which the RESET/RESET output is undefined.
Table 8-2 Truth Table for TLV841M
VDD MR RESET
(ACTIVE-HIGH)		 RESET
(ACTIVE-LOW)
VDD < VPOR — Undefined Undefined
VPOR < VDD < VIT- — H L
VDD ≥ VIT- L H L
VDD ≥ VIT- H L H
VDD ≥ VIT- Floating L H
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