




Real-time clock with energy clculations before 2100 seconds, minutes, hours, day, week, month, year capacity, as well as the ability to leap year adjustment serial I / O ports such a way that a minimum number of pins Wide operating voltage range 2.0 5.5V 2.0V, operating current of less than 300nA Read / write clock or RAM data transfer mode, there are two single-byte and multi-byte transfer mode transmission character set 8-pin DIP package or an optional 8-pin SOIC surface mount package under Simple 3-wire interface Vcc = 5V and TTL compatible Optional industrial temperature range of -40 to +85 Dual power tubes used for the main power supply and backup power supply
T**9
Like it good value for money.
I needed this for a solar tracker I was building using a Arduino and linear actuators. I wanted to move the solar panels every hour to track the sun rather than use a sun sensor and this has worked perfect since I installed it last May.
D**T
One Star
Could not get it towork. Tries severa new chips and a diffefernt crystal, but still did not work
Trustpilot
1 week ago
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