74LS221 DATASHEET PDF

refer to Operating Rules #10 in this datasheet. Ordering Code: Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering. Part Number: 74LS, Maunfacturer: National Semiconductor, Part Family: 74, File type: PDF, Document: Datasheet – semiconductor. 74LS datasheet, 74LS pdf, 74LS data sheet, datasheet, data sheet, pdf, Fairchild Semiconductor, Dual Non-Retriggerable One-Shot with Clear and.

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Input Current Max Input Voltage. You may also be interested in: This provides the input with excellent noise immunity.

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The clear CLR input can terminate the output pulse at a predetermined time independent of the timing components. I OS Short Circuit. The range of jitter-free pulse widths is extended if VCC is 5. Order Number Package Number. In most applications, pulse stability will only be limited by the accuracy of external timing components. The DM74LS is a dual monostable multivibrator with.

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DescriptionThe absolute maximum ratings of the 74LS00N are: Faithfully describe 24 hours delivery 7 days Changing or Refunding.

If pulse cutoff is not critical, capacitance up to mF and resistance as low as 1. We will also never share your payment details with your seller. Freight and Payment Recommended logistics Recommended bank.

A high immunity to VCC noise is also provided by internal latching circuitry. The clear CLR input can terminate the output.

74LS221 PDF Datasheet浏览和下载

Output pulse width may be varied from 35 nanoseconds to a maximum datassheet 70 s by choosing appropriate timing components. The output pulses can be terminated by the overriding clear. Pulse width is defined by the relationship: Margin,quality,low-cost products with low minimum orders. Not more than one output should be shorted at a time, and the duration should not exceed one second. Pin A is an active-LOW trigger transition input and.

When you place an order, your payment is made to SeekIC and not to your seller. To obtain the best and trouble free operation from. Month Sales Transactions. Each device has three inputs permit.

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Input pulse width may be of any duration relative to the output pulse width. I CC Supply Current. Additionally an internal latching circuit at the input stage also provides a high immunity to V CC noise. This mode of dattasheet requires first the B input be set from a.

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This CLR input also serves as a trigger input when it is pulsed with a low level pulse transition. V I Input Clamp Voltage. Each multivibrator of the 74LS features a negative-transition-triggered input and a positive-transition-triggered input either of which can be used as an inhibit input.

74LS datasheet, Pinout ,application circuits Monostable Multivibrator

Additionally an internal latching. Pulse triggering occurs at a voltage level and is not related to the transition time of the input pulse.

Output rise and fall times are independent of pulse length.