Part number:
LS7222
Manufacturer:
LSI Computer Systems
File Size:
30.27 KB
Description:
Keypad programmable digital lock.
Datasheet Details
Part number:
LS7222
Manufacturer:
LSI Computer Systems
File Size:
30.27 KB
Description:
Keypad programmable digital lock.
LS7222, KEYPAD PROGRAMMABLE DIGITAL LOCK
The LS7222 is a programmable electronic lock implemented in a monolithic 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 keypad whose max
LS7222 Features
* Stand alone lock logic
* 38416, 4-digit combinations
* 3 different user programmable codes
* Momentary and static lock control outputs
* Internal key debounce circuitry
* Tamper detection output
* Status outputs
* Low current consump
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