Datasheet Summary
LSI/CSI
®
(631) 271-0400 FAX (631) 271-0405
December 2002
LSI puter Systems, Inc. 1235 Walt Whitman Road, Melville, NY 11747
A3800
KEYPAD PROGRAMMABLE DIGITAL LOCK
Features
:
- Stand alone lock logic
- 38416, 4-digit binations
- 3 different user programmable codes
- Momentary and static lock control outputs
- Internal key debounce circuit
- Tamper detection output
- Status outputs
- Low current consumption
- +4V to +15V operation (VDD -VSS)
- LS7223 (DIP), LS7223-S (SOIC)
- See Figure 1 GENERAL DESCRIPTION: The LS7223 is a programmable electronic lock implemented in a monolithic CMOS integrated circuit. The circuit contains all the necessary memory, decoder and control...