位置:HD74LS221RPEL > HD74LS221RPEL详情

HD74LS221RPEL中文资料

厂家型号

HD74LS221RPEL

文件大小

104.9Kbytes

页面数量

9

功能描述

Dual Monostable Multivibrators

数据手册

下载地址一下载地址二到原厂下载

生产厂商

RENESAS

HD74LS221RPEL数据手册规格书PDF详情

This 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 (TTL hysteresis) for B input allows jitter-free triggering from inputs with transition rates as slow as 1 V/s, providing the circuit with excellent noise immunity of typically 1.2 V. A high immunity to VCC noise of typically 1.5 V 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 may be of any duration relative to the output pulse. Output rise and fall times are TTL compatible and independent of pulse length.

Typical triggering and clearing sequence are illustrated as a part of the switching characteristics waveforms. Pulse width stability is achieved through internal compensation and is virtually independent of VCC and temperature.

更新时间:2025-10-6 14:20:00
供应商 型号 品牌 批号 封装 库存 备注 价格
RENESAS/瑞萨
21+
SOP5.2
2000
RENESAS(瑞萨)/IDT
2021+
SOP-20_208mil
499
RENESAS/瑞萨
24+
SOP5.2
9600
原装现货,优势供应,支持实单!
RENESAS(瑞萨)/IDT
24+
SOP20208mil
7350
现货供应,当天可交货!免费送样,原厂技术支持!!!
RENESAS/瑞萨
24+
SOP5.2
880000
明嘉莱只做原装正品现货
HIT
24+
DIP
191
CPClare
23+
SOP-8P
6500
全新原装假一赔十
HIT
88+
DIP
273
原装正品
HD
23+
DIP-14
50000
全新原装正品现货,支持订货
HIT
25+
QFP
3200
全新原装、诚信经营、公司现货销售