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Logic IC.

Part number	74LS109 Dual JK Positive Edge-Triggered Flip-Flop
Category	Integrated Circuits › Logic Gates
Package	DIP-16
Pins	16

74LS109 Dual JK Positive Edge-Triggered Flip-Flop pinout

Pin	Name	Type
1	~R	input
2	J	input
3	~K	input
4	C	input
5	~S	input
6	Q	output
7	~Q	output
8	GND	ground
9	~Q	output
10	Q	output
11	~S	input
12	C	input
13	~K	input
14	J	input
15	~R	input
16	VCC	power

Schematic symbol and footprint

Schematic symbol

Footprint: DIP-16_W7.62mm — to scale, pad 1 in yellow (mm). Check against the datasheet before ordering PCBs.