74LS Datasheet PDF Download – DM74LS, 74LS data sheet. The SN54/74LSA is a Dual JK Flip-Flop with individual J, K, Direct. Clear and Clock Pulse inputs. Output changes are initiated by the. HIGH-to-LOW. ; Manufacturer: Major Brands; Manufacturer no.: 74LS Texas Instruments [ KB ]; Data Sheet (current) [ KB ]; Representative Datasheet, MFG.

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Toggle e Each output changes to the complement of its previous level on each falling edge of the clock pulse. The updated every day, always provide the best quality and speed. The J-K input data is loaded into the master while the clock is high and transferred to the slave and the outputs on the high-to- low clock transistion.

74LS Datasheet PDF ( Pinout ) – DM74LS

The below circuit shows a typical sample connection for the JK flip-flop. This device contains two independent negative-edge-trig.

Toggle e Each output changes to the complement of its previous level on each falling edge of the clock pulse. Clear and Complementary Outputs. Tl warrants performance of Its semiconductor products and related software to the specifications applicable at the time of sale In eatasheet with Tl’s standard warranty.

The clock signal here is just a push button but can be type of pulse like a PWM signal. The ‘ is a positive pulse-triggered flip-flop. Physical Dimensions inches millimeters Continued.

74LS107 Datasheet PDF – ETC

Q 0 e The output logic level before the indicated input conditions were established. Clear and Complementary Outputs. Note that the input pins are pulled down to ground through a 1k resistor, this way we can avoid dztasheet pin in floating condition. The JK flip flops are considered to be the most efficient flip-flop and can be used for certain applications on its own.

The JK flip flop is considered to be more suitable for practical application because of its truth table that is the output of the flip flop will be stable for all types of inputs. Production processing does not necessarily include testing of all parameters. The reset button should be pulled up through a 1K resistor and when grounded will reset the flip-flop. The term JK flip flop comes after its inventor Jack Kilby.


Normally during regular operation datawheet the IC the reset pin will be set high and the clock pulse of known frequency will be supplied to the clock pin, then the value o J and K will be varied based on the input signals and the respective output will be obtained on the Q and Q bar pins.

The output state of the flip flops can be determined form the truth table below. Use of Tl products in such applications requires the written approval of an appropriate Tl officer.

So if you are looking for a IC for latching purpose or to act as a small programmable memory for you project then this IC might be the right choice for you.

The flip-flop will change its output only during the rising edge of the clock signal. L e Low Logic Level. At the time of measurement, the clock input is grounded. Load circuits and voltage waveforms are shown in Section 1. The ‘LSA contain two independent negative-edge- triggered flip-flops.

Submitted by admin on 22 May The J and K inputs must be stable prior to the high-to-low clock transition for predictable operation.

Products conform to specifications per the terms of Texas Instruments standard warranty. Allied Electronics DigiKey Electronics. K data is processed by the flip-flops on the falling edge of. Testing and other quality control techniques are utilized to the extent Tl deems necessary to support this warranty. Meaning it has two JK flip flops inside it and each can be used individually based datasyeet our application. It offers a dxtasheet amount of data sheet, You can free PDF files download.

L e Low Logic Level. Nor does Tl warrant or represent that any license, either express or implied. Q 0 e The output logic level before the indicated input conditions were established. The flip-flops are also called as latching devices meaning it can remember one single bit of data and latch the output based ratasheet it, due to this property they are commonly used as shift registers, control registers, storage registers or where ever a small memory is required.


Tl assumes no liability for applications assistance, customer product design, software performance, or infringement of patents or services described herein. Inclusion of Tl products In such applications Is understood to be fully at datasheeet risk of the customer.

74LS107 Dual JK Flip-Flop with Clear

When the clear is low, it overrides the clock and data inputs forcing the Q output low and the Q output high. This device contains two independent negative-edge-trig. June DM54LSA DM74LSA Dual Negative-Edge- Triggered Master-Slave J-K Flip-Flops with Clear and Complementary Outputs General Description This device contains two independent negative-edge-trig- gered J-K flip-flops with complementary outputs The J and K data is processed by the flip-flops on the falling edge of the clock pulse The clock triggering occurs at a voltage level and is not directly dataheet to the transition time of the negative going edge of 74ls017 clock pulse The data on the J and K inputs may change while the clock is high or low without affecting the outputs as long as setup and hold datashwet are not violated A low logic level on the clear input will reset the outputs regardless of the logic levels of the other inputs Connection Diagram www.

Is granted under any patent right, copyright, mask work right, or other intellectual property datasjeet of Tl covering or relating to any combination, machine, or process in which such semiconductor products or services might be or are used. Questions concerning potential risk applications should be directed to Tl through a local SC sales office.

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