74LS221 DATASHEET PDF74LS221 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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This provides the input with excellent noise immunity. Pulse triggering 74ls2211 at a voltage level and is not related to the transition time of the input pulse.

The pin-out is identical to Dataasheet but, functionally it is not. Freight and Payment Recommended logistics Recommended bank. Input Current Max Input Voltage. The output pulses can be terminated by the overriding clear. To obtain the best and trouble free operation from this device please read operating rules as well as the Fair- child Semiconductor one-shot application notes carefully and observe recommendations.

DescriptionThe absolute maximum ratings of the 74LS00N are: Devices also available in Tape and Reel. V I Input Clamp Voltage. A high immunity to VCC noise is also provided by internal latching circuitry. Each device has dwtasheet inputs permit- ting the choice of either leading-edge or trailing-edge trig- gering.

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This CLR input also serves as a trigger input when it is pulsed with a low level pulse transition.

Motorola 74LS Series Datasheets. 74LSN, SN54LS Datasheet.

I OS Short Circuit. In most applications, pulse stability will 74l2s21 be limited by the accuracy of external timing components. Jitter-free operation is maintained over the full temperature and VCC ranges for greater than six decades of timing capacitance 10 pF to 10 mFand greater than one decade of timing resistance 2.

Output rise and fall times are independent of pulse length. I CC Supply Current. Faithfully describe 24 hours delivery 7 days Changing or Refunding. You may also be interested in: The range of jitter-free pulse widths is extended if VCC is 5. Please create an account or Sign in. If pulse cutoff is not critical, capacitance up to mF and resistance as low as 1. This provides the input with.

This CLR input also serves as a trigger.

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The DM74LS is a dual monostable multivibrator with. 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.

SeekIC only pays the seller after confirming you have received your order. We will also never share your payment details with your seller. When you place an order, datasheett payment is made to SeekIC and not to your seller. Each device has three inputs permit. Order Number Package Number. The clear CLR input can terminate the output pulse at a predetermined time independent of the timing components. Output pulse width may be varied from 35 nanoseconds to a maximum of 70 s by choosing appropriate timing components.

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Additionally an internal latching circuit at the input stage also provides a high immunity to V CC noise. Recent History What is this?

74LS221 PDF Datasheet浏览和下载

This mode of triggering requires first the B input be set from a. Pin A is an active-LOW trigger transition input and.

Month Sales Transactions. The clear CLR input can terminate the output. Input pulse width may be of any duration relative to the output pulse width. Pulse width is defined by the xatasheet Not more than one output should be shorted at a time, and the duration should not exceed one second.