需要更多?
数量 | 价钱 (含税) |
---|---|
1+ | CNY22.970 (CNY25.9561) |
10+ | CNY20.100 (CNY22.713) |
25+ | CNY16.650 (CNY18.8145) |
50+ | CNY14.940 (CNY16.8822) |
100+ | CNY13.790 (CNY15.5827) |
250+ | CNY12.870 (CNY14.5431) |
500+ | CNY12.180 (CNY13.7634) |
1000+ | CNY11.710 (CNY13.2323) |
产品信息
产品概述
The SN74LS221N is a dual Monostable Multivibrator with schmitt-trigger inputs. Its performance characteristics virtually identical to those of the '121 devices. Each multivibrator features a negative-transition- triggered input and a positive-transition-triggered input, either of which can be used as an inhibit input. Pulse triggering occurs at a particular voltage level and is not directly related to the transition time of the input pulse. Schmitt-trigger input circuitry for B input allows jitter-free triggering from inputs with transition rates as slow as 1V/s, providing the circuit with excellent noise immunity, typically of 1.2V. A high immunity to VCC noise, typically of 1.5V, is also provided by internal latching circuitry. Once fired, the outputs are independent of further transitions of the A and B inputs and are a function of the timing components or the output pulses can be terminated by the overriding clear. Input pulses can be of any duration relative to the output pulse.
- Overriding clear terminates output pulse
技术规格
74LS221
8mA
5.25V
DIP
45ns
74221
70°C
-
单稳态
4.75V
DIP
16引脚
74LS
0°C
-
法律与环境
进行最后一道重要生产流程所在的地区原产地:Malaysia
进行最后一道重要生产流程所在的地区
RoHS
RoHS
产品合规证书