ZHCSRB1M october   1995  – june 2023 SN54AHC245 , SN74AHC245

PRODUCTION DATA  

  1.   1
  2. 1 特性
  3. 2 应用
  4. 3 说明
  5. 4 Revision History
  6. 5 Pin Configuration and Functions
  7. 6 Specifications
    1. 6.1  Absolute Maximum Ratings
    2. 6.2  Handling Ratings
    3. 6.3  Recommended Operating Conditions
    4. 6.4  Thermal Information
    5. 6.5  Electrical Characteristics
    6. 6.6  Switching Characteristics, VCC = 3.3 V ± 0.3 V
    7. 6.7  Switching Characteristics, VCC = 5 V ± 0.5 V
    8. 6.8  Noise Characteristics
    9. 6.9  Operating Characteristics
    10. 6.10 Typical Characteristics
  8. 7 Parameter Measurement Information
  9. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
    4. 8.4 Device Functional Modes
  10. 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
    3. 9.3 Power Supply Recommendations
    4. 9.4 Layout
      1. 9.4.1 Layout Guidelines
      2. 9.4.2 Layout Example
  11. 10Device and Documentation Support
    1. 10.1 接收文档更新通知
    2. 10.2 支持资源
    3. 10.3 Trademarks
    4. 10.4 静电放电警告
    5. 10.5 术语表
  12. 11Mechanical, Packaging, and Orderable Information

封装选项

机械数据 (封装 | 引脚)
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订购信息

5 Pin Configuration and Functions

GUID-B3758B2E-5EC6-4134-B423-A5A09F662581-low.gifFigure 5-1 SN54AHC245 J or W, SN74AHC245 DB, DGV, DW, N, PW or DGS Package, CDIP, CFP, SSOP, TVSOP, SOIC, PDIP, TSSOP, or VSSOP 20-Pin (Top View)
GUID-89ADCB9A-E366-4F30-8E68-6E7BC9BFE10C-low.gifFigure 5-3 SN54AHC245 FK Package, LCCC 20-Pin (Top View)
GUID-20220216-SS0I-CMZV-MGKQ-7M6BT2KLPG8M-low.gifFigure 5-2 SN74AHC245 RKS Package, VQFN 20-Pin (Top View)
Table 5-1 Pin Functions
PINTYPE(1)DESCRIPTION
NAMENO.
DIR1I/ODirection Pin
A12I/OA1 Input/Output
A23I/OY4 Input/Output
A34I/OA2 Input/Output
A45I/OY3 Input/Output
A56I/OA3 Input/Output
A67I/OY2 Input/Output
A78I/OA4 Input/Output
A89I/OY1 Input/Output
GND10—Ground Pin
B811I/OA1 Input/Output
B712I/OY4 Input/Output
B613I/OA2 Input/Output
B514I/OY3 Input/Output
B415I/OA3 Input/Output
B16I/OY2 Input/Output
B217I/OA4 Input/Output
B218I/OY1 Input/Output
B119I/OOutput Enable
VCC20—Power Pin
Thermal pad—Thermal Pad(2)
(1) I = Input, O = Output, I/O = Input or Output, G = Ground, P = Power
(2) RKS package only.