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SN54ALS109A

Texas Instruments
Part Number SN54ALS109A
Manufacturer Texas Instruments
Description Dual J-K Positive-Edge-Triggered Flip-Flop
Published Dec 10, 2020
Detailed Description SN54ALS109A, SN54AS109A, SN74ALS109A, SN74AS109A DUAL JĆK POSITIVEĆEDGEĆTRIGGERED FLIPĆFLOPS WITH CLEAR AND PRESET SDAS1...
Datasheet PDF File SN54ALS109A PDF File

SN54ALS109A
SN54ALS109A

Overview
SN54ALS109A, SN54AS109A, SN74ALS109A, SN74AS109A DUAL JĆK POSITIVEĆEDGEĆTRIGGERED FLIPĆFLOPS WITH CLEAR AND PRESET SDAS198B − APRIL 1982 − REVISED AUGUST 1995 • Package Options Include Plastic Small-Outline (D) Packages, Ceramic Chip Carriers (FK), and Standard Plastic (N) and Ceramic (J) 300-mil DIPs TYPE ′ALS109A ′AS109A TYPICAL MAXIMUM CLOCK FREQUENCY (MHz) 50 129 TYPICAL POWER DISSIPATION PER FLIP-FLOP (mW) 6 29 description SN54ALS109A, SN54AS109A .
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J PACKAGE SN74ALS109A, SN74AS109A .
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D OR N PACKAGE (TOP VIEW) 1CLR 1 1J 2 1K 3 1CLK 4 1PRE 5 1Q 6 1Q 7 GND 8 16 VCC 15 2CLR 14 2J 13 2K 12 2CLK 11 2PRE 10 2Q 9 2Q These devices contain two independent J-K positive-edge-triggered flip-flops.
A low level at the preset (PRE) or clear (CLR) inputs sets or resets the outputs regardless of the levels of the other inputs.
When PRE and CLR are inactive (high), data at the J and K inputs meeting the setup-time requirements are transferred to the outputs on the positive-going edg...


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