Rainbow Electronics DS1315 - Manual (Page 18)

DS1315
041697 18/22
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