DS3234S- MAXIM [Maxim Integrated Products], DS3234S- Datasheet - Page 3

• Manufacturer Part Number: DS3234S-
• Description: Extremely Accurate SPI Bus RTC with Integrated Crystal and SRAM
• Manufacturer: MAXIM [Maxim Integrated Products]

ELECTRICAL CHARACTERISTICS (continued)
(V
3.3V, V
V
ELECTRICAL CHARACTERISTICS
(V
Timekeeping Battery Current
(Note 4)
Temperature Conversion Current
Data-Retention Current
Logic 0 Output, 32kHz
Logic 1 Output, DOUT
Logic 0 Output, DOUT, INT/SQW
Logic 0 Output, RST
Output Leakage Current 32kHz,
INT/SQW, DOUT
Input Leakage DIN, CS, SCLK
RST Pin I/O Leakage
TCXO (V
Output Frequency
Frequency Stability vs.
Temperature
Frequency Stability vs. Voltage
Trim Register Frequency
Sensitivity per LSB
Temperature Accuracy
Crystal Aging
BAT
CC
CC
.) (Notes 1, 2)
= 2.0V to 5.5V, V
= 0V, V
BAT
CC
PARAMETER
PARAMETER
= 3.0V, and T
BAT
= 2.3V to 5.5V, V
= 2.0V to 3.8V, T
CC
A
= active supply (see Table 1), T
= +25°C, unless otherwise noted. TCXO operation guaranteed from 2.3V to 5.5V on V
Extremely Accurate SPI Bus RTC with
BAT
A
= 2.3V to 3.8V, T
= -40°C to +85°C, unless otherwise noted.) (Note 1)
SYMBOL
SYMBOL
I
Δf/f
Δf/f
I
BATTDR
Δf/LSB
Temp
I
BATTC
f
V
BATT
V
V
V
Δf/V
OUT
I
I
I
LO
OL
OH
OL
OL
OL
LI
OUT
OUT
_____________________________________________________________________
CRATE1 = CRATE0 = 0
I
I
I
I
Output high impedance
RST high impedance (Note 5)
V
V
V
Specified at:
After reflow,
not production tested
OL
OH
OL
OL
CC
CC
BAT
A
Integrated Crystal and SRAM
= 1mA
= 3mA
= 1.0mA
= -1.0mA
= -40°C to +85°C, unless otherwise noted.) (Notes 1 and 2)
= 3.3V or V
= 3.3V or
= 3.3V
= 0, BBSQW = 0,
= 0, BBSQW = 0
= 1
A
= -40°C to +85°C, unless otherwise noted.) (Typical values are at V
CONDITIONS
CONDITIONS
BAT
= 3.3V
-40°C
+25°C
+70°C
+85°C
First year
0–10 years
0°C to +40°C
-40°C to 0°C and
+40°C to +85°C
V
V
BAT
BAT
= 3.4V
= 3.8V
0.85 x V
-200
MIN
MIN
-3.5
-1
-1
-2
-3
CC
32.768
±1.0
±5.0
TYP
TYP
1.5
1.5
0.7
0.1
0.4
0.8
0
1
CC
and 2.3V to 3.8V on
MAX
MAX
+3.5
+10
400
100
0.4
0.4
0.4
2.3
2.5
+1
+1
+2
+3
UNITS
UNITS
ppm/V
ppm
ppm
ppm
kHz
μA
μA
nA
µA
µA
µA
°C
V
V
V
V
CC
3
=