The LS7222 is a programmable electronic lock imple- mented in a CMOS integrated circuit. The circuit contains all the necessary memory, decoder and control Logic to make a programmable "keyless" lock system to control electro-mechanical locks. Input is provided by a matrix key- pad whose maximum allowable size is 4 x 4. By LSI Computer Systems, Inc.
LS7222 's PackagesLS7222 's pdf datasheet

LS7222 Pinout, Pinouts
LS7222 pinout,Pin out
This is one package pinout of LS7222,If you need more pinouts please download LS7222's pdf datasheet.

LS7222 Application circuits
LS7222 circuits
This is one application circuit of LS7222,If you need more circuits,please download LS7222's pdf datasheet.

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