CD74HC4067
- Wide Analog Input Voltage Range
- Low "ON" Resistance
- VCC = 4.5V. . . . . . . . 70(Typ)
- VCC = 6V . . . . . . . . 60(Typ)
- Fast Switching and Propagation Speeds
- "Break-Before-Make" Switching. . . . . 6ns (Typ) at 4.5V
- Available in Both Narrow and Wide-Body Plastic Packages
- Fanout (Over Temperature Range)
- Standard Outputs . . . . . . . . . . . . . . . 10 LSTTL Loads
- Bus Driver Outputs . . . . . . . . . . . . . 15 LSTTL Loads
- Wide Operating Temperature Range . . . -55°C to 125°C
- Balanced Propagation Delay and Transition Times
- Significant Power Reduction Compared to LSTTL Logic ICs
- HC Types
- 2V to 6V Operation
- High Noise Immunity: NIL = 30%, NIH = 30% of VCC at VCC = 5V
- HCT Types
- 4.5V to 5.5V Operation
- Direct LSTTL Input Logic Compatibility, VIL = 0.8V (Max), VIH = 2V (Min)
- CMOS Input Compatibility, Il 1µA at VOL, VOH
The CD74HC4067 and CD74HCT4067 devices are digitally controlled analog switches that utilize silicon-gate CMOS technology to achieve operating speeds similar to LSTTL, with the low power consumption of standard CMOS integrated circuits.
These analog multiplexers/demultiplexers control analog voltages that may vary across the voltage supply range. They are bidirectional switches thus allowing any analog input to be used as an output and vice-versa. The switches have low "on" resistance and low "off" leakages. In addition, these devices have an enable control which when high will disable all switches to their "off" state.
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参考设计
TIDA-060014 — 适用于 PLC 的 96 通道双向数字输入模块参考设计
此参考设计利用 ISO1212(一款隔离式数字输入接收器)实现了一款紧凑的 96 通道隔离数字输入模块。该设计展示了 ISO1212 器件的电流限制功能,其热性能优于传统的光耦合器解决方案。此设计让具有多个通道的数字输入电路板更加紧凑,并可降低电路板温度(低于 50°C)。具有 ISO1212 器件的多路复用器和解码器可将微控制器的引脚数量由 96 个减少至 8 个。该设计经过测试,每个通道可支持 100kHz 输入信号 (200kbit)。该设计的输入功率低于 7.3W,因而热耗散更少。所有信号均可承受符合 IEC6100-4 标准的 ESD、EFT 和浪涌事件。
封装 | 引脚 | 下载 |
---|---|---|
SOIC (DW) | 24 | 查看选项 |
SSOP (DB) | 24 | 查看选项 |
订购和质量
包含信息:
- RoHS
- REACH
- 器件标识
- 引脚镀层/焊球材料
- MSL 等级/回流焊峰值温度
- MTBF/时基故障估算
- 材料成分
- 鉴定摘要
- 持续可靠性监测
包含信息:
- 制造厂地点
- 封装厂地点
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