DS1347 Maxim, DS1347 Datasheet - Page 4

• Manufacturer Part Number: DS1347
• Description: The DS1347 SPI-compatible real-time clock (RTC) contains a real-time clock/calendar and 31 x 8 bits of static random-access memory (SRAM)
• Manufacturer: Maxim

Low-Current, SPI-Compatible Real-Time Clock
(T
4
A
= +25°C, unless otherwise noted.)
_______________________________________________________________________________________
120
100
80
60
40
20
0
2
T
I
CS = DIN = GND
OUT
A
= +25°C,
= 0mA,
vs. SUPPLY VOLTAGE
f
3
SCLK
SUPPLY CURRENT
SUPPLY VOLTAGE (V)
= 1MHz
4
f
SCLK
= 4MHz
5
500
400
300
200
2
CS = V
EGFIL = DOSF = 0
6
CC
,
vs. SUPPLY VOLTAGE
3
SUPPLY CURRENT
SUPPLY VOLTAGE (V)
4
+70°C
0°C
Typical Operating Characteristics
+25°C
5
+85°C
400
350
300
250
200
-40°C
2
T
CS = V
A
6
= +25°C,
CC
EGFIL = 0,
DOSF = 0
vs. SUPPLY VOLTAGE
3
SUPPLY CURRENT
SUPPLY VOLTAGE (V)
4
EGFIL = 1,
DOSF = 0
EGFIL = 0,
DOSF = 1
5
6