SN54HC21 二路 4 输入正与门
These devices contain two independent 4-input AND gates. They perform the Boolean function Y = A • B • C • D or Y = (A\ + B\ + C\ + D\)\ in positive logic.
| SN54HC21 | |
| Rating | Military |
| Technology Family | HC |
SN54HC21 特性
- Wide Operating Voltage Range of 2 V to 6 V
- Outputs Can Drive Up To 10 LSTTL Loads
- Low Power Consumption, 20-µA Max ICC
- Typical tpd = 11 ns
- ±4-mA Output Drive at 5 V
- Low Input Current of 1 µA Max
SN54HC21 芯片订购指南
| 器件 | 状态 | 温度 | 价格 | 封装 | 引脚 | 封装数量 | 封装载体 | 丝印标记 |
| SNJ54HC21FK | ACTIVE | -55 to 125 | 5.84 | 1ku | LCCC (FK) | 20 | 1 | TUBE | |
| SNJ54HC21J | ACTIVE | -55 to 125 | 2.20 | 1ku | CDIP (J) | 14 | 1 | TUBE | |
| SNJ54HC21W | ACTIVE | -55 to 125 | 5.87 | 1ku | CFP (W) | 14 | 1 | TUBE |
SN54HC21 质量与无铅数据
| 器件 | 环保计划* | 铅/焊球涂层 | MSL 等级/回流焊峰 | 环保信息与无铅 (Pb-free) | DPPM / MTBF / FIT 率 |
| SNJ54HC21FK | TBD | POST-PLATE | N/A for Pkg Type | SNJ54HC21FK | SNJ54HC21FK |
| SNJ54HC21J | TBD | A42 | N/A for Pkg Type | SNJ54HC21J | SNJ54HC21J |
| SNJ54HC21W | TBD | A42 | N/A for Pkg Type | SNJ54HC21W | SNJ54HC21W |
SN54HC21 应用技术支持与电子电路设计开发资源下载
- SN54HC21 数据资料 dataSheet 下载.PDF
- TI 德州仪器门电路产品选型与价格 . xls
- Logic Guide 2009 (PDF 4263 KB)
- Shelf-Life Evaluation of Lead-Free Component Finishes (PDF 1305 KB)
- Understanding and Interpreting Standard-Logic Data Sheets (PDF 857 KB)
- TI IBIS File Creation, Validation, and Distribution Processes (PDF 380 KB)
- Implications of Slow or Floating CMOS Inputs (PDF 101 KB)
- CMOS Power Consumption and CPD Calculation (PDF 89 KB)
- Designing With Logic (PDF 186 KB)
- Live Insertion (PDF 150 KB)
- Input and Output Characteristics of Digital Integrated Circuits (PDF 1708 KB)
- Using High Speed CMOS and Advanced CMOS in Systems With Multiple Vcc (PDF 43 KB)
- HiRel Unitrode Power Management Brochure (PDF 206 KB)
- LOGIC Pocket Data Book (PDF 6001 KB)
- HiRel Unitrode Power Management Brochure (PDF 206 KB)
- Logic Cross-Reference (PDF 2938 KB)
