DS1500_11 Datasheet, PDF (7/20 Pages) Maxim Integrated Products – Y2K Watchdog RTC with Nonvolatile Control

DS1500 Y2KC Watchdog RTC with Nonvolatile Control
Figure 5. 5V Power-Up/Down Waveform Timing
V_PF(^V_MCACXI)
V_PF(MIN)
V _SO
t _PF
t_F
t_FB
t _DR
RST
t_R
t_REC
INPUTS
RECOGNIZED
DON'T CARE
RECOGNIZED
OUTPUTS
VALID
HIGH-Z
VALID
Warning: Under no circumstances are negative undershoots, of any amplitude, allowed when
device is in battery-backup mode.
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