ZHCSS40I march   1994  – march 2021 TL16C550C

PRODUCTION DATA  

  1.   1
  2. 1 特性
  3. 2 说明
  4. 3 Revision History
  5. 4 Pin Configuration and Functions
  6. 5 Specifications
    1. 5.1  Absolute Maximum Ratings
    2. 5.2  Recommended Operating Conditions (Low Voltage - 3.3 nominal)
    3. 5.3  Recommended Operating Conditions (Standard Voltage - 5 V nominal)
    4. 5.4  Thermal Information
    5. 5.5  Electrical Characteristics (Low Voltage - 3.3 V nominal)
    6. 5.6  Electrical Characteristics (Standard Voltage - 5 V nominal)
    7. 5.7  System Timing Requirements
    8. 5.8  System Switching Characteristics
    9. 5.9  Baud Generator Switching Characteristics
    10. 5.10 Receiver Switching Characteristics
    11. 5.11 Transmitter Switching Characteristics
    12. 5.12 Modem Control Switching Characteristics
  7. 6 Parameter Measurement Information
  8. 7 Detailed Description
    1. 7.1 Autoflow Control (see )
    2. 7.2 Auto-RTS (see )
    3. 7.3 Auto-CTS (see )
    4. 7.4 Enabling Autoflow Control and Auto-CTS
    5. 7.5 Auto-CTS and Auto-RTS Functional Timing
    6. 7.6 Functional Block Diagram
    7. 7.7 Principles of Operation
      1. 7.7.1  Accessible Registers
      2. 7.7.2  FIFO Control Register (FCR)
      3. 7.7.3  FIFO Interrupt Mode Operation
      4. 7.7.4  FIFO Polled Mode Operation
      5. 7.7.5  Interrupt Enable Register (IER)
      6. 7.7.6  Interrupt Identification Register (IIR)
      7. 7.7.7  Line Control Register (LCR)
      8. 7.7.8  Line Status Register (LSR)
      9. 7.7.9  Modem Control Register (MCR)
      10. 7.7.10 Modem Status Register (MSR)
      11. 7.7.11 Programming Baud Generator
      12. 7.7.12 Receiver Buffet Register (RBR)
      13. 7.7.13 Scratch Register
      14. 7.7.14 Transmitter Holding Register (THR)
  9. 8 Application Information
  10. 9 Device and Documentation Support
    1. 9.1 接收文档更新通知
    2. 9.2 支持资源
    3. 9.3 Trademarks
    4. 9.4 静电放电警告
    5. 9.5 术语表
  11. 10Mechanical, Packaging, and Orderable Information

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5.6 Electrical Characteristics (Standard Voltage - 5 V nominal)

over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP(1) MAX UNIT
VOH(2) High-level output voltage IOH = − 1 mA 2.4 V
VOL(2) Low-level output voltage IOL = 1.6 mA 0.4 V
II Input current VCC = 5.25 V,

VI = 0 to 5.25 V,

VSS = 0,

All other terminals floating

 10 μA
IOZ High-impedance-state output current

VCC = 5.25 V,

VO = 0 to 5.25 V,

 VSS = 0, ± 20 μA
Chip selected in write mode or chip deselect
ICC Supply current

VCC = 5.25 V,

SIN, DSR, DCD, CTS, and RI at 2V,

All other inputs at0.8 V,

No load on outputs,

TA = 25°C

XTAL1 at 4 MHz,

Baud rate = 50 kbit/s

 10 mA
Ci(CLK) Clock input capacitance

VCC= 0,

f =1 MHz,

All other terminals grounded

VSS = 0,

TA = 25°C,

 15 20 pF
Co(CLK) Clock output capacitance 20 30 pF
Ci Input capacitance 6 10 pF
Co Output capacitance 10 20 pF
(1) All typical values are at VCC = 5 V and TA = 25°C.
(2) These parameters apply for all outputs except XOUT.