Ref: HKin20140128 in 2019 Be wary of deals that appear too good too be true, even with those you have traded before, because they probably are. If in doubt, confirm with HKinventory the other party's information beforehand, or contact the company directly and ask for trade references.
LS7220 datasheet, cross reference, circuit and application notes in pdf format.
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. 2All trademarks are the property of their respective owners. PRODUCTION DATA information is current as of publication date. • DM74LS163A Synchronous 4-Bit Binary Counters DM74LS161A • DM74LS163A Synchronous 4-Bit Binary Counters General Description These synchronous, presettable counters feature an inter-nal carry look-ahead for application in high-speed counting designs. The DM74LS161A and DM74LS163A are 4-bit binary counters. The carry output is decoded by ... LS 14250 3.6 V Primary lithium-thionyl chloride (Li-SOCl 2) High energy density 1⁄ 2 AA-size bobbin cell September 2009 Benefits l High voltage response, stable during most of the lifetime of the application l Wide operating temperature range (-60°C/+85°C) l Low self-discharge rate (less than 1 % per year of storage at +20°C)
The LS7220 IC requires that you hard-wire in your own 4-digit code. The above video gives you all of the information that you need to know. It includes assembly instructions, code wiring instructions, a demonstration of functionality and a demonstration on how to control AC/DC devices with the on-board relay. Find many great new & used options and get the best deals for LS7220 Digital Lock IC 14dip at the best online prices at eBay! Free shipping for many products!