MAX6901
3-Wire Serial RTC in a TDFN
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Note 1: All parameters are 100% tested at T
A
= +25°C. Limits over temperature are guaranteed by design and not production tested.
Note 2: I
CC
is specified with the I/O grounded, CS high, SCLK = 2MHz at V
CC
= +5V; SCLK = 500kHz at V
CC
= +2.0V, 32kHz output
enabled, and no load on 32kHz output.
Note 3: Timekeeping current is specified with CS = GND, SCLK = GND, I/O = GND, 32kHz = GND, and 32kHz disabled.
Note 4: All values referred to V
IH
min and V
IL
max levels.
Note 5: Guaranteed by design. Not production tested.
AC ELECTRICAL CHARACTERISTICS
(V
CC
= +2.0V to +5.5V, T
A
= -40°C to +85°C, unless otherwise noted. Typical values are at V
CC
= +3.3V, T
A
= +25°C.) (Figures 4, 5
and Notes 1, 4)
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