ZHCSOE9
April 2022
SN74LXCH1T45
PRODUCTION DATA
1
特性
2
应用
3
说明
4
Revision History
5
Pin Configuration and Functions
6
Specifications
6.1
Absolute Maximum Ratings
6.2
ESD Ratings
6.3
Recommended Operating Conditions
6.4
Thermal Information
6.5
Electrical Characteristics
6.6
Switching Characteristics, VCCA = 1.2 ± 0.1 V
6.7
Switching Characteristics, VCCA = 1.5 ± 0.1 V
6.8
Switching Characteristics, VCCA = 1.8 ± 0.15 V
6.9
Switching Characteristics, VCCA = 2.5 ± 0.2 V
6.10
Switching Characteristics, VCCA = 3.3 ± 0.3 V
6.11
Switching Characteristics, VCCA = 5.0 ± 0.5 V
6.12
Switching Characteristics: Tsk, TMAX
6.13
Operating Characteristics
6.14
Typical Characteristics
7
Parameter Measurement Information
7.1
Load Circuit and Voltage Waveforms
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
CMOS Schmitt-Trigger Inputs
8.3.1.1
Control Inputs with Integrated Static Pull-Down Resistors
8.3.2
Balanced High-Drive CMOS Push-Pull Outputs
8.3.3
Partial Power Down (Ioff)
8.3.4
VCC Isolation and VCC Disconnect
8.3.5
Over-Voltage Tolerant Inputs
8.3.6
Glitch-Free Power Supply Sequencing
8.3.7
Negative Clamping Diodes
8.3.8
Fully Configurable Dual-Rail Design
8.3.9
Supports High-Speed Translation
8.3.10
Bus-Hold Data Inputs
8.4
Device Functional Modes
9
Application and Implementation
9.1
Application Information
9.2
Enable Times
9.3
Typical Application
9.3.1
Design Requirements
9.3.2
Detailed Design Procedure
9.3.3
Application Curve
10
Power Supply Recommendations
11
Layout
11.1
Layout Guidelines
11.2
Layout Example
12
Device and Documentation Support
12.1
Documentation Support
12.1.1
Related Documentation
12.2
接收文档更新通知
12.3
支持资源
12.4
Trademarks
12.5
Electrostatic Discharge Caution
12.6
术语表
13
Mechanical, Packaging, and Orderable Information
封装选项
机械数据 (封装 | 引脚)
DRY|6
MPDS221F
DCK|6
MPDS114D
DTQ|6
MUSS003A
散热焊盘机械数据 (封装 | 引脚)
DRY|6
QFND138E
订购信息
zhcsoe9_oa
8.4
Device Functional Modes
Table 8-1 Function Table
(1)
CONTROL INPUTS
PORT STATUS
OPERATION
OE
DIR
A PORT
B PORT
L
L
Output (Enabled)
Input (Hi-Z)
B data to A bus
L
H
Input (Hi-Z)
Output (Enabled)
A data to B bus
H
X
Input (Hi-Z)
Input (Hi-Z)
Isolation
(1)
Input circuits of the data I/Os are always active.