DS1315_07 Datasheet, PDF (17/22 Pages) Maxim Integrated Products – Phantom Time Chip

Figure 12. 5V Power-Down Condition
DS1315 Phantom Time Chip
3.3V DEVICE POWER-UP POWER-DOWN CHARACTERISTICS,
ROM/RAM = V_CCO OR GND
PARAMETER
SYMBOL MIN TYP
MAX
(0°C to 70°C)
UNITS NOTES
Recovery Time at
Power-Up
t_REC
1.5
2.5
ms
12
V_CC Slew Rate
Power-Down
V_PF(max) to V_PF(min)
V_CC Slew Rate
Power-Up
V_PF(min) to V_PF(max)
CEI High to Power-Fail
t_F
300
t_R
0
t_PF
0
µs
12
µs
12
µs
12
CEI Propagation Delay
t_PD
10
ns
2, 3, 11
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