DS1393 Maxim Integrated Products, DS1393 Datasheet - Page 7

• Manufacturer Part Number: DS1393
• Description: (DS1390 - DS1393) Low-Voltage SPI/3-Wire RTCs
• Manufacturer: Maxim Integrated Products

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POWER-UP/POWER-DOWN CHARACTERISTICS
(T
Figure 5. Power-Up/Down Timing
Figure 6. Pushbutton Reset Timing
V
(V
V
V
V
V
A
CC
CC
PF(MIN)
CC
PF(MAX)
CC
= -40°C to +85°C) (Figures 5, 6)
RST
Detect to Recognize Inputs
Fall Time; V
Rise Time; V
Rising)
OUTPUTS
PARAMETER
INPUTS
V
RST
V
PF(MAX)
PF(MIN)
PF(MAX)
V
PF(MIN)
CC
PB
DB
to
to
RECOGNIZED
VALID
SYMBOL
t F
Low-Voltage SPI/3-Wire RTCs with
t
RST
t
t
R
F
_____________________________________________________________________
t
RST
V
PF
(Note 17)
CONDITIONS
HIGH-IMPEDANCE
DON'T CARE
Trickle Charger
V
PF
MIN
300
0
t RST
t R
TYP
160
RECOGNIZED
t RPU
VALID
MAX
200
UNITS
ms
µs
µs
7