Datasheet

SUPPLY CURRENT
vs. SUPPLY VOLTAGE
DS1347 toc01
SUPPLY VOLTAGE (V)
SUPPLY CURRENT (μA)
543
20
40
60
80
100
120
0
26
T
A
= +25°C,
I
OUT
= 0mA,
CS = DIN = GND
f
SCLK
= 4MHz
f
SCLK
= 1MHz
SUPPLY CURRENT
vs. SUPPLY VOLTAGE
DS1347 toc02
SUPPLY VOLTAGE (V)
SUPPLY CURRENT (nA)
543
250
300
350
400
200
26
T
A
= +25°C,
CS = V
CC
EGFIL = 1,
DOSF = 0
EGFIL = 0,
DOSF = 0
EGFIL = 0,
DOSF = 1
SUPPLY CURRENT
vs. SUPPLY VOLTAGE
DS1347 toc03
SUPPLY VOLTAGE (V)
SUPPLY CURRENT (nA)
543
300
400
500
200
26
CS = V
CC
,
EGFIL = DOSF = 0
+85°C
-40°C
+70°C
+25°C
0°C
4 Maxim Integrated
DS1347
Low-Current, SPI-Compatible
Real-Time Clock