产品概览
SN74AHC594PWR from TI is an 8-bit shift register with output latch. 2-5.5V. Direct clear. Separate clock for shift and output registers. TSSOP-16.
工作原理
Serial-in/parallel-out shift register with separate output latch. SRCLK shifts data, RCLK latches to output. SRCLR clears shift register. Direct clear on output register. Cascade via Q7S. 2-5.5V AHC family.
Pin Description
| 针脚 | 名称 | 功能 |
|---|---|---|
| 14 | SER | Serial data in |
| 11 | SRCLK | Shift register clock |
| 12 | RCLK | Output register clock |
| 10 | SRCLR | Shift register clear |
| 13 | OE | Output enable |
应用
- LED display driving
- GPIO expansion
- Cascaded output control
Alternative Models
| 制造商 | 部件编号 | 说明 |
|---|---|---|
| TI | SN74AHC595PWR | Standard 595 variant |