DS1390U-33+ Dallas Semiconductor, DS1390U-33+ Datasheet - Page 8

• Manufacturer Part Number: DS1390U-33+
• Description: SERIAL RTC 3.3V USOP
• Manufacturer: Dallas Semiconductor

Specifications of DS1390U-33+

• Lead Free Status / Rohs Status: RoHS Compliant part

Low-Voltage SPI/3-Wire RTCs with
Trickle Charger
POWER-UP/POWER-DOWN CHARACTERISTICS
(T
Figure 5. Power-Up/Down Timing
Figure 6. Pushbutton Reset Timing
8
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
t
RST
t
t
R
F
t
RST
V
PF
(Note 17)
CONDITIONS
DON'T CARE
HIGH IMPEDANCE
V
PF
MIN
300
0
t RST
t R
TYP
160
RECOGNIZED
t RPU
VALID
MAX
200
UNITS
ms
µs
µs