3v device power–up condition figure 13, 3v device power–down condition figure 14 – Rainbow Electronics DS1315 User Manual
Page 18
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DS1315
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3.3V DEVICE POWER–UP CONDITION Figure 13
ЗЗЗЗЗ
ЗЗЗЗЗ
ЗЗЗЗЗ
2.7V
t
R
V
IL
BAT - 0.2V
CEI
CEO
CEO
V
CCI
ROM/RAM = GND
ROM/RAM = V
CCO
t
CE
t
CE
t
REC
2.6V
2.5V
t
PD
3.3V DEVICE POWER–DOWN CONDITION Figure 14
ЗЗЗЗЗЗЗЗЗЗ
ЗЗЗЗЗЗЗЗЗЗ
ЗЗЗЗЗЗЗЗЗЗ
t
CE
t
PF
V
BAT
- 0.2V
2.7V
t
F
CEI
CEO
CEO
V
CCI
ROM/RAM = GND
ROM/RAM = V
CCO
2.6V
t
PD
t
CE
2.5V
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