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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 . . . J PACKAGE SN74ALS109A, SN74AS109A . . . 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.