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74HC123N 数据表 (PDF) - NXP Semiconductors

74HC123N Datasheet PDF - NXP Semiconductors
部件名 74HC123N
下载  74HC123N 下载

文件大小   155.34 Kbytes
  24 Pages
制造商  NXP [NXP Semiconductors]
网页  http://www.nxp.com
标志 NXP - NXP Semiconductors
功能描述 Dual retriggerable monostable multivibrator with reset

74HC123N Datasheet (PDF)

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74HC123N Datasheet PDF - NXP Semiconductors

部件名 74HC123N
下载  74HC123N Click to download

文件大小   155.34 Kbytes
  24 Pages
制造商  NXP [NXP Semiconductors]
网页  http://www.nxp.com
标志 NXP - NXP Semiconductors
功能描述 Dual retriggerable monostable multivibrator with reset

74HC123N 数据表 (HTML) - NXP Semiconductors

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74HC123N 产品详情

General description
The 74HC123; 74HCT123 are high-speed Si-gate CMOS devices and are pin compatible with Low-power Schottky TTL (LSTTL). They are specified in compliance with JEDEC standard no. 7A.
The 74HC123; 74HCT123 are dual retriggerable monostable multivibrators with output pulse width control by three methods:

1. The basic pulse is programmed by selection of an external resistor (REXT) and
   capacitor (CEXT).
2. Once triggered, the basic output pulse width may be extended by retriggering the
   gated active LOW-going edge input (nA) or the active HIGH-going edge input (nB). By
   repeating this process, the output pulse period (nQ = HIGH, nQ = LOW) can be made
   as long as desired. Alternatively an output delay can be terminated at any time by a
   LOW-going edge on input nRD, which also inhibits the triggering.
3. An internal connection from nRD to the input gates makes it possible to trigger the
   circuit by a HIGH-going signal at input nRD as shown in the function table.
   Schmitt-trigger action in the nA and nB inputs, makes the circuit highly tolerant to slower
   input rise and fall times.
   The 74HC123; 74HCT123 are identical to the 74HC423; 74HCT423 but can be triggered
   via the reset input.

Features and benefits
■ DC triggered from active HIGH or active LOW inputs
■ Retriggerable for very long pulses up to 100 % duty factor
■ Direct reset terminates output pulse
■ Schmitt-trigger action on all inputs except for the reset input
■ ESD protection:
   ◆ HBM JESD22-A114F exceeds 2000 V
   ◆ MM JESD22-A115-A exceeds 200 V
■ Specified from -40°C to +85°C and from -40°C to +125°C




类似零件编号 - 74HC123N

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关于 NXP Semiconductors


NXP半导体是一家公开交易的跨国公司,设计,开发和制造各种半导体和集成电路,用于各种应用,包括汽车,工业,通信和消费市场。

该公司成立于2006年,总部位于荷兰的埃因霍温。

NXP提供了广泛的产品组合,包括微控制器,微处理器,安全身份验证IC,电源管理ICS,RF和微波炉组件以及传感器解决方案等。

该公司的产品旨在具有节能,安全和可靠,并用于各种应用中,包括汽车系统,工业自动化和控制,智能家居和建筑物以及连接的设备。

NXP致力于创新和客户满意度,并致力于为客户提供最佳的半导体解决方案,以满足他们的需求。

*此信息仅供一般参考,对于因上述信息造成的任何损失或损害,我们概不负责。




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