ZHCSPP8A January 2022 – October 2022 SN74HCS245
PRODMIX
- 1 特性
- 2 應用
- 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
封裝選項
機械數據 (封裝 | 引腳)
散熱焊盤機械數據 (封裝 | 引腳)
- RKS|20
訂購信息
5 Pin Configuration and Functions
Figure 5-1 RKS Package, 20-Pin VQFN (Top View)
Figure 5-2 DGS Package, 20-Pin SOT (Top View)Table 5-1 Pin Functions
| PIN | TYPE(1) | DESCRIPTION | |
|---|---|---|---|
| NAME | NO. | ||
| DIR | 1 | I | Direction control input (L = B → A, H = A → B) |
| A1 | 2 | I/O | Channel 1 output/input A |
| A2 | 3 | I/O | Channel 2 output/input A |
| A3 | 4 | I/O | Channel 3 output/input A |
| A4 | 5 | I/O | Channel 4 output/input A |
| A5 | 6 | I/O | Channel 5 output/input A |
| A6 | 7 | I/O | Channel 6 output/input A |
| A7 | 8 | I/O | Channel 7 output/input A |
| A8 | 9 | I/O | Channel 8 output/input A |
| GND | 10 | G | Ground |
| B8 | 11 | I/O | Channel 8 input/output B |
| B7 | 12 | I/O | Channel 7 input/output B |
| B6 | 13 | I/O | Channel 6 input/output B |
| B5 | 14 | I/O | Channel 5 input/output B |
| B4 | 15 | I/O | Channel 4 input/output B |
| B3 | 16 | I/O | Channel 3 input/output B |
| B2 | 17 | I/O | Channel 2 input/output B |
| B1 | 18 | I/O | Channel 1 input/output B |
| OE | 19 | I | Output enable, active low |
| VCC | 20 | P | Positive supply |
| Thermal Pad(2) | — | The thermal pad can be connect to GND or left floating. Do not connect to any other signal or supply. | |
(1)
I = Input, O = Output, I/O = Input or Output, G = Ground, P = Power.
(2) RKS Package Only