FRAM71B... LAST CALL
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01-13-2016, 04:08 PM
(This post was last modified: 01-13-2016 04:10 PM by Hans Brueggemann.)
Post: #14
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RE: PRE-ORDER POLL: FRAM71B
(01-10-2016 05:28 PM)J-F Garnier Wrote: An improved version with a "greatly reduced stand-by current consumption" is a good idea because the standby current is IMHO the major weakness of current design, but can you give us a figure? standby current on FRAM71B will be down from 150 µA to approx. 60 µA. very early FRAM71 (non-B) prototypes got indeed down to below 10 µA, but that was at the cost of the SYSRAM feature. if you _really_ need the reduced current consumption on your FRAM71, drop me a mail note however, that it takes about 17000 hours (more than 2 years) for an FRAM71-512 to bring down a fresh battery pack to a LOW BAT condition. higher standby currents are more problematic when it comes to battery changes and associated "brown-out" times. but then again, that can be easily mitigated by having your HP-71B connected to an AC charger while changing the batteries. |
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