JAJSOD3C December   1982  – March 2022 SN54HC257 , SN74HC258

PRODUCTION DATA  

  1. 特長
  2. 概要
  3. Revision History
  4. Pin Configuration and Functions
  5. Specifications
    1. 5.1 Absolute Maximum Ratings
    2. 5.2 Recommended Operating Conditions (1)
    3. 5.3 Thermal Information
    4. 5.4 Electrical Characteristics
    5. 5.5 Switching Characteristics
    6. 5.6 Operating Characteristics
  6. Parameter Measurement Information
  7. Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Device Functional Modes
  8. Power Supply Recommendations
  9. Layout
    1. 9.1 Layout Guidelines
  10. 10Device and Documentation Support
    1. 10.1 Documentation Support
      1. 10.1.1 Related Documentation
    2. 10.2 Receiving Notification of Documentation Updates
    3. 10.3 サポート・リソース
    4. 10.4 Trademarks
    5. 10.5 Electrostatic Discharge Caution
    6. 10.6 Glossary
  11. 11Mechanical, 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)
  • PW|16
  • NS|16
  • N|16
  • D|16
サーマルパッド・メカニカル・データ
発注情報

Recommended Operating Conditions(1)

SN54HC257,
SN54HC258
SN74HC257,
SN74HC258
UNIT
MINNOMMAXMINNOMMAX
VCCSupply voltage256256V
VIHHigh-level input voltageVCC = 2 V1.51.5V
VCC = 4.5 V3.153.15
VCC = 6 V4.24.2
VILLow-level input voltageVCC = 2 V0.30.5V
VCC = 4.5 V0.91.35
VCC = 6 V1.21.8
VIInput voltage0VCC0VCCV
VOOutput voltage0VCC0VCCV
ttInput transition rise/fall timeVCC = 2 V10001000ns
VCC = 4.5 V500500
VCC = 6 V400400
TAOperating free-air temperature-55125-4085°C
All unused inputs of the device must be held at VCC or GND to ensure proper device operation. Refer to the TI application report Implications of Slow or Floating SMOS Inputs, literature number SCBA004.