DS1394U-33+ Maxim Integrated Products, DS1394U-33+ Datasheet - Page 8
![IC RTC SPI 3WIRE W/CHRGR 10-MSOP](/photos/6/57/65724/175-10-umax_sml.jpg)
DS1394U-33+
Manufacturer Part Number
DS1394U-33+
Description
IC RTC SPI 3WIRE W/CHRGR 10-MSOP
Manufacturer
Maxim Integrated Products
Type
Clock/Calendar/Trickle-Chargerr
Datasheet
1.DS1390U-3.pdf
(26 pages)
Specifications of DS1394U-33+
Time Format
HH:MM:SS:hh (12/24 hr)
Date Format
YY-MM-DD-dd
Interface
SPI, 3-Wire Serial
Voltage - Supply
3 V ~ 3.6 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
10-MSOP, Micro10™, 10-uMAX, 10-uSOP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Memory Size
-
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
RST
= -40°C to +85°C) (Figures 5, 6)
_____________________________________________________________________
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