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SN74LV123AD

单稳态多谐振荡器, 74LV123, 8.3 ns, 12 mA, 2 V至5.5 V, SOIC-16

TEXAS INSTRUMENTS SN74LV123AD

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制造商产品编号:
SN74LV123AD
库存编号
3006705

产品概述

The SN74LV123AD is a dual retriggerable Monostable Multivibrator designed for 2 to 5.5V VCC operation. It features output pulse-duration control by three methods. In the first method, the A input is low and the B input goes high. In the second method, the B input is high and the A\ input goes low. In the third method, the A\ input is low, the B input is high and the clear (CLR/) input goes high. The output pulse duration is programmable by selecting external resistance and capacitance values. The external timing capacitor must be connected between Cext and Rext/Cext (positive) and an external resistor connected between Rext/Cext and VCC. To obtain variable pulse durations, connect an external variable resistance between Rext/Cext and VCC. The output pulse duration also can be reduced by taking CLR\ low.
  • Support mixed-mode voltage operation on all ports
  • Schmitt-trigger circuitry on A\, B and CLR\ inputs for slow input transition rates
  • Edge triggered from active-high or active-low gated logic inputs
  • Ioff Supports partial-power-down mode operation
  • Retriggerable for very long output pulses, up to 100% duty cycle
  • Overriding clear terminates output pulse
  • Glitch-free power-up reset on outputs
  • Latch-up performance exceeds 100mA per JESD 78, Class II
  • Green product and no Sb/Br

应用

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产品信息

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:
74LV123

:
可再触发单稳态

:
12mA

:
2V

:
5.5V

:
SOIC

:
16引脚

:
8.3ns

:
74LV

:
74123

:
-40°C

:
85°C

:
-

:
-

:
MSL 1 -无限制
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