ZHCSAM0D December   2012  – September 2024 TCA9517A

PRODUCTION DATA  

  1.   1
  2. 1 特性
  3. 2 应用
  4. 3 说明
  5. 4 Pin Configuration and Functions
  6. 5 Specifications
    1. 5.1 Absolute Maximum Ratings
    2. 5.2 ESD Ratings
    3. 5.3 Recommended Operating Conditions
    4. 5.4 Thermal Information
    5. 5.5 Thermal Information
    6. 5.6 Electrical Characteristics
    7. 5.7 Timing Requirements
    8. 5.8 I2C Interface Switching Characteristics
    9. 5.9 Typical Characteristics
  7. 6 Parameter Measurement Information
  8. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Two-Channel Bidirectional Buffer
      2. 7.3.2 Active-High Repeater-Enable Input
      3. 7.3.3 VOL B-Side Offset Voltage
      4. 7.3.4 Standard Mode and Fast Mode Support
      5. 7.3.5 Clock Stretching Support
    4. 7.4 Device Functional Modes
  9. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
        1. 8.2.2.1 Clock Stretching Support
        2. 8.2.2.2 VILC and Pullup Resistor Sizing
      3. 8.2.3 Application Curve
  10. 9 Power Supply Recommendations
  11. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
  12. 11Device and Documentation Support
    1. 11.1 接收文档更新通知
    2. 11.2 支持资源
    3. 11.3 商标
    4. 11.4 静电放电警告
    5. 11.5 术语表
  13. 12Revision History
  14. 13Mechanical, Packaging, and Orderable Information
    1. 13.1 Tape and Reel Information
    2. 13.2 Mechanical Data

封装选项

请参考 PDF 数据表获取器件具体的封装图。

机械数据 (封装 | 引脚)
  • DGK|8
散热焊盘机械数据 (封装 | 引脚)
订购信息

5.8 I2C Interface Switching Characteristics

VCCB = 2.7 V to 5.5 V, GND = 0 V, TA = –40°C to 85°C (unless otherwise noted)(1) (4)
PARAMETERFROM
(INPUT)		TO
(OUTPUT)		TEST CONDITIONSMINTYP(5)MAXUNIT
tPLZPropagation delaySDAB, SCLB(3) (see Figure 6-4)SDAA, SCLA(3) (see Figure 6-4)80141350 250ns
SDAA, SCLA(2) (see Figure 6-3)SDAB, SCLB(2) (see Figure 6-3)2574110
tPZLPropagation delaySDAB, SCLBSDAA, SCLAVCCA ≤ 2.7 V (see Figure 6-2)3076(6)110ns
VCCA ≥ 3 V
(see Figure 6-2)		1086230
SDAA, SCLA(2) (see Figure 6-3)SDAB, SCLB(2) (see Figure 6-3)60107230
tTLHTransition timeB-side to A side80%20%VCCA ≤ 2.7 V
(see Figure 6-3)		101215ns
VCCA ≥ 3 V
(see Figure 6-3)		404245
A side to B-side
(see Figure 6-2)		110125140
tTHLTransition timeB-side to A side80%20%VCCA ≤ 2.7 V
(see Figure 6-3)		152(6)105ns
VCCA ≥ 3 V
(see Figure 6-3)		2067175
A side to B-side
(see Figure 6-2)		304890
(1) Times are specified with loads of 1.35-kΩ pull-up resistance and 50-pF load capacitance on the B-side and 167-Ω pull-up and 57-pF load capacitance on the A side. Different load resistance and capacitance alter the RC time constant, thereby changing the propagation delay and transition times.
(2) The proportional delay data from A to B-side is measured at 0.3 VCCA on the A side to 1.5 V on the B-side.
(3) The tPLH delay data from B to A side is measured at 0.4 V on the B-side to 0.5 VCCA on the A side when VCCA is less than 2 V, and 1.5 V on the A side if VCCA is greater than 2 V.
(4) pull-up voltages are VCCA on the A side and VCCB on the B-side.
(5) Typical values were measured with VCCA = VCCB = 3.3 V at TA = 25°C, unless otherwise noted.
(6) Typical value measured with VCCA = 2.7 V at TA = 25°C
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