ZHCSP28B July 2021 – October 2022 SN74HCS244
PRODMIX
- 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
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)
- 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. | ||
| 1OE | 1 | I | Bank 1, output enable, active low |
| 1A1 | 2 | I | Bank 1, channel 1 input |
| 2Y4 | 3 | O | Bank 2, channel 4 output |
| 1A2 | 4 | I | Bank 1, channel 2 input |
| 2Y3 | 5 | O | Bank 2, channel 3 output |
| 1A3 | 6 | I | Bank 1, channel 3 input |
| 2Y2 | 7 | O | Bank 2, channel 2 output |
| 1A4 | 8 | I | Bank 1, channel 4 input |
| 2Y1 | 9 | O | Bank 2, channel 1 output |
| GND | 10 | G | Ground |
| 2A1 | 11 | I | Bank 2, channel 1 input |
| 1Y4 | 12 | O | Bank 1, channel 4 output |
| 2A2 | 13 | I | Bank 2, channel 2 input |
| 1Y3 | 14 | O | Bank 1, channel 3 output |
| 2A3 | 15 | I | Bank 2, channel 3 input |
| 1Y2 | 16 | O | Bank 1, channel 2 output |
| 2A4 | 17 | I | Bank 2, channel 4 input |
| 1Y1 | 18 | O | Bank 1, channel 1 output |
| 2OE | 19 | I | Bank 2, output enable, active low |
| VCC | 20 | P | Positive supply |
| Thermal pad(2) | — | The thermal pad can be connected 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.