ZHCSSI6 july 2023
PRODUCTION DATA
- 1
- 1 特性
- 2 應(yīng)用
- 3 說明
- 4 Revision History
- 5 Pin Configuration and Functions
- 6 Specifications
- 7 Parameter Measurement Information
- 8 Detailed Description
- 9 Application and Implementation
- 10Power Supply Recommendations
- 11Layout
- 12Device and Documentation Support
- 13Mechanical, Packaging, and Orderable Information
5 Pin Configuration and Functions
Figure 5-1 SN74AHCT245-EP: PW Package, 20-Pin TSSOP (Top View)Table 5-1 Pin Functions
| PIN | TYPE(1) | DESCRIPTION | |
|---|---|---|---|
| NAME | NO. | ||
| DIR | 1 | I | Direction Pin |
| A1 | 2 | I/O | A1 Input/Output |
| A2 | 3 | I/O | A2 Input/Output |
| A3 | 4 | I/O | A3 Input/Output |
| A4 | 5 | I/O | A4 Input/Output |
| A5 | 6 | I/O | A5 Input/Output |
| A6 | 7 | I/O | A6 Input/Output |
| A7 | 8 | I/O | A7 Input/Output |
| A8 | 9 | I/O | A8 Input/Output |
| GND | 10 | G | Ground Pin |
| B8 | 11 | I/O | B8 Input/Output |
| B7 | 12 | I/O | B7 Input/Output |
| B6 | 13 | I/O | B6 Input/Output |
| B5 | 14 | I/O | B5 Input/Output |
| B4 | 15 | I/O | B4 Input/Output |
| B3 | 16 | I/O | B3 Input/Output |
| B2 | 17 | I/O | B2 Input/Output |
| B1 | 18 | I/O | B1 Input/Output |
| OE | 19 | I | Output Enable |
| VCC | 20 | P | Power Pin |
(1) I = Input, O = Output, P= Positive Supply, G = Ground