Part Number: BQ3285 Hello guys,
One of our customers is going to use BQ3285S-SB2(RTC, product going to EOL) because they have been using the device for many their products.
They have the following questions for the device. Could you please give me your…
Part Number: BQ3285 I need find replacement for MC146818 with internal oscillator circuit (only external quartz crystal is required) and pin for battery. I have tried DS12885 but it don't support read-write (modify) bus cycle: latch address, read data…
Other Parts Discussed in Thread: BQ3285 Hello All,
I have circuit for BQ3285
When my circuit is connected to power every thing is working perfect - no delays even after few days
When I shut the power down for about 2,3,4 hours and back on
I get some…
Other Parts Discussed in Thread: BQ3285 Hi all, Would you mind if we ask BQ3285 and BQ3287? (Our customer uses this device at exisiting system.) In case of power down, the default value of Time, Alarm, and Calendar Formats will return to the initial(default…
Could you post the response here? I am trying to figure out how to use this and some other similar RTC chips that I ordered to evaluate for arduino projects.
Other Parts Discussed in Thread: BQ3285 Hello,
I'm using a BQ3285 RTC chip interfaced with a MCS51 compatible uC. Everything works fine except the value of bit 7 of register 0Dh. According to the datasheet, this bit (VRT) should indicate if the battery…
Hi Y.Ottey,
There are some RTC devices with lower specified backup supply current, but they are much older than BQ32002 and would have other differences such as serial/parallel programming rather I2C. These devices include BQ3285, BQ4802Y, or BQ4845,…
Other Parts Discussed in Thread: BQ3285 In this moment We have any devices with this part BQ3287MT-I. The devices are of the Metro de Medellin and they need the card electronics for the Train with the BQ3287MT-I.
The part is not for a new design, please…
you're welcome! And perhaps the end customer may want to look at a redesign with the BQ3285 or the BQ4285 since the BQ4850Y is NRND. Even though it may remain as NRND for months or years, and when it is converter to Obsolete you still have 1 year…
