ZHCSRE9C August   2005  – December 2022 SN74LVCH8T245

PRODUCTION DATA  

  1. 1 特性
  2. 2 应用
  3. 3 说明
  4. 4 Revision History
  5. 5 Pin Configuration and Functions
  6. 6 Specifications
    1. 6.1  Absolute Maximum Ratings
    2. 6.2  ESD Ratings
    3. 6.3  Recommended Operating Conditions
    4. 6.4  Thermal Information
    5. 6.5  Electrical Characteristics
    6. 6.6  Switching Characteristics: VCCA = 1.8 V ± 0.15 V
    7. 6.7  Switching Characteristics: VCCA = 2.5 V ± 0.2 V
    8. 6.8  Switching Characteristics: VCCA = 3.3 V ± 0.3 V
    9. 6.9  Switching Characteristics: VCCA = 5 V ± 0.5 V
    10. 6.10 Operating Characteristics
    11. 6.11 Typical Characteristics
  7. 7 Parameter Measurement Information
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 Fully Configurable Dual-Rail Design
      2. 8.3.2 Partial-Power-Down Mode Operation
      3. 8.3.3 Active Bus Hold Circuitry
      4. 8.3.4 Balanced High-Drive CMOS Push-Pull Outputs
      5. 8.3.5 VCC Isolation
    4. 8.4 Device Functional Modes
  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
        1. 9.2.2.1 Enable Times
      3. 9.2.3 Application Curve
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  12. 12Device and Documentation Support
    1. 12.1 Documentation Support
      1. 12.1.1 Related Documentation
    2. 12.2 接收文档更新通知
    3. 12.3 支持资源
    4. 12.4 Trademarks
    5. 12.5 Electrostatic Discharge Caution
    6. 12.6 术语表
  13. 13Mechanical, Packaging, and Orderable Information

封装选项

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

5 Pin Configuration and Functions

GUID-DD5E3F17-7343-4B99-AB23-49E4675EF71D-low.gifFigure 5-1 DB, DGV, or PW Packages,24-Pin SSOP, TVSOP, or TSSOP(Top View)
GUID-03398720-4B34-43C3-B3C5-75B7989FA6B3-low.gifFigure 5-2 RHL Package,24-Pin VQFN(Top View)
Table 5-1 Pin Functions
PIN TYPE(1) DESCRIPTION
NAME SSOP, TVSOP, TSSOP VQFN
A1 3 3 I/O Input/output A1. Referenced to VCCA.
A2 4 4 I/O Input/output A2. Referenced to VCCA.
A3 5 5 I/O Input/output A3. Referenced to VCCA.
A4 6 6 I/O Input/output A4. Referenced to VCCA.
A5 7 7 I/O Input/output A5. Referenced to VCCA.
A6 8 8 I/O Input/output A6. Referenced to VCCA.
A7 9 9 I/O Input/output A7. Referenced to VCCA.
A8 10 10 I/O Input/output A8. Referenced to VCCA.
B1 21 21 I/O Input/output B1. Referenced to VCCB.
B2 20 20 I/O Input/output B2. Referenced to VCCB.
B3 19 19 I/O Input/output B3. Referenced to VCCB.
B4 18 18 I/O Input/output B4. Referenced to VCCB.
B5 17 17 I/O Input/output B5. Referenced to VCCB.
B6 16 16 I/O Input/output B6. Referenced to VCCB.
B7 15 15 I/O Input/output B7. Referenced to VCCB.
B8 14 14 I/O Input/output B8. Referenced to VCCB.
DIR 2 2 I Direction-control signal. Referenced to VCCA.
OE 22 22 I 3-state output-mode enables. Pull OE high to place all outputs in 3-state mode. Referenced to VCCA.
VCCA 1 1 — A-port supply voltage. 1.65 V ≤ VCCA ≤ 5.5 V
VCCB 23, 24 23, 24 — B-port supply voltage. 1.65 V ≤ VCCA ≤ 5.5 V
GND 11, 12, 13 11, 12, 13 — Ground
(1) I = input, O = output
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