ZHCSN53B December 2019 – March 2021 SN74LXCH8T245
PRODUCTION DATA
- 1 特性
- 2 應(yīng)用
- 3 說明
- 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
-
8 Detailed Description
- 8.1 Overview
- 8.2 Functional Block Diagram
- 8.3
Feature Description
- 8.3.1 CMOS Schmitt-Trigger Inputs with Integrated Pulldowns
- 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
- 10Power Supply Recommendations
- 11Layout
- 12Device and Documentation Support
- 13Mechanical, Packaging, and Orderable Information
封裝選項
機械數(shù)據(jù) (封裝 | 引腳)
散熱焊盤機械數(shù)據(jù) (封裝 | 引腳)
訂購信息
5 Pin Configuration and Functions
All packages
are on the same relative scale.
Figure 5-1 PW, and RHL Package
24-Pin TSSOP, and VQFN
Transparent Top ViewTable 5-1 Pin Functions
| PIN | I/O | DESCRIPTION | |
|---|---|---|---|
| NAME | PW, RHL | ||
| A1 | 3 | I/O | Input or output A1. Referenced to VCCA. |
| A2 | 4 | I/O | Input or output A2. Referenced to VCCA. |
| A3 | 5 | I/O | Input or output A3. Referenced to VCCA. |
| A4 | 6 | I/O | Input or output A4. Referenced to VCCA. |
| A5 | 7 | I/O | Input or output A5. Referenced to VCCA. |
| A6 | 8 | I/O | Input or output A6. Referenced to VCCA. |
| A7 | 9 | I/O | Input or output A7. Referenced to VCCA. |
| A8 | 10 | I/O | Input or output A8. Referenced to VCCA. |
| B1 | 21 | I/O | Input or output B1. Referenced to VCCB. |
| B2 | 20 | I/O | Input or output B2. Referenced to VCCB. |
| B3 | 19 | I/O | Input or output B3. Referenced to VCCB. |
| B4 | 18 | I/O | Input or output B4. Referenced to VCCB. |
| B5 | 17 | I/O | Input or output B5. Referenced to VCCB. |
| B6 | 16 | I/O | Input or output B6. Referenced to VCCB. |
| B7 | 15 | I/O | Input or output B7. Referenced to VCCB. |
| B8 | 14 | I/O | Input or output B8. Referenced to VCCB. |
| DIR | 2 | I | Direction-control signal for all ports. Referenced to VCCA. |
| GND | 11 | — | Ground. |
| 12 | — | Ground. | |
| 13 | — | Ground. | |
| OE | 22 | I | Output Enable. Pull to GND to enable all outputs. Pull to VCCA to place all outputs in high-impedance mode. Referenced to VCCA. |
| VCCA | 1 | — | A-port supply voltage. 1.1 V ≤ VCCA ≤ 5.5 V. |
| VCCB | 23 | — | B-port supply voltage. 1.1 V ≤ VCCB ≤ 5.5 V. |
| 24 | — | B-port supply voltage. 1.1 V ≤ VCCB ≤ 5.5 V. | |
| PAD | — | — | Thermal pad. May be grounded (recommended) or left floating. |