JAJSUL9C September   2003  – May 2024 SN74LVC257A-Q1

PRODUCTION DATA  

  1.   1
  2. 1 特長
  3. 2 概要
  4. 3 Pin Configuration and Functions
  5. 4 Specifications
    1. 4.1 Absolute Maximum Ratings
    2. 4.2 ESD Ratings
    3. 4.3 Recommended Operating Conditions
    4. 4.4 Thermal Information
    5. 4.5 Electrical Characteristics
    6. 4.6 Switching Characteristics
    7. 4.7 Operating Characteristics
  6. 5 Parameter Measurement Information
  7. 6 Detailed Description
    1. 6.1 Overview
    2. 6.2 Functional Block Diagram
    3. 6.3 Device Functional Modes
  8. 7 Application and Implementation
    1. 7.1 Power Supply Recommendations
    2. 7.2 Layout
      1. 7.2.1 Layout Guidelines
      2. 7.2.2 Layout Example
  9. 8 Device and Documentation Support
    1. 8.1 Documentation Support (Analog)
      1. 8.1.1 Related Links
    2. 8.2 ドキュメントの更新通知を受け取る方法
    3. 8.3 サポート・リソース
    4. 8.4 Trademarks
    5. 8.5 静電気放電に関する注意事項
    6. 8.6 用語集
  10. 9 Revision History
  11. 10Mechanical, Packaging, and Orderable Information

パッケージ・オプション

デバイスごとのパッケージ図は、PDF版データシートをご参照ください。

メカニカル・データ（パッケージ｜ピン）
  • BQB|16
  • PW|16
  • D|16
サーマルパッド・メカニカル・データ
発注情報

3 Pin Configuration and Functions

SN74LVC257A-Q1 D or PW Package,16-Pin SOIC or TSSOP(Top View)Figure 3-1 D or PW Package,16-Pin SOIC or TSSOP(Top View)
SN74LVC257A-Q1 BQB Package,16-Pin WQFN with Exposed Thermal Pad(Top View)Figure 3-2 BQB Package,16-Pin WQFN with Exposed Thermal Pad(Top View)
Table 3-1 Pin Functions
PIN I/O DESCRIPTION
NAME SOIC, TSSOP, or WQFN
A/B 1 I Select Pin, Low selects A, High selects B
1A 2 I/O Multiplexer Signal Input
1B 3 I/O Multiplexer Signal Input
1Y 4 I/O Multiplexer Output
2A 5 I/O Multiplexer Signal Input
2B 6 I/O Multiplexer Signal Input
2Y 7 I/O Multiplexer Output
3A 11 I/O Multiplexer Signal Input
3B 10 I/O Multiplexer Signal Input
3Y 9 I/O Multiplexer Output
4A 14 I/O Multiplexer Signal Input
4B 13 I/O Multiplexer Signal Input
4Y 12 I/O Multiplexer Output
GND 8 — Ground
NC(1) — — No connect
OE 15 I/O Active low Output enable
VCC 16 — Power pin
(1) NC – no internal connection