DS32C35-33IND# Maxim Integrated Products, DS32C35-33IND# Datasheet - Page 3

• Manufacturer Part Number: DS32C35-33IND#
• Description: IC RTC W/TCXO 20-SOIC
• Manufacturer: Maxim Integrated Products
• Type: Clock/Calendar/TCXO/Crystal/FRAMr

Specifications of DS32C35-33IND#

• Memory Size: 64K (8K x 8)
• Time Format: HH:MM:SS (12/24 hr)
• Date Format: YY-MM-DD-dd
• Interface: I²C, 2-Wire Serial
• Voltage - Supply: 2.7 V ~ 3.63 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 20-SOIC (7.5mm Width)
• Function: Clock/Calendar
• Rtc Memory Size: 8192 B
• Supply Voltage (max): 3.63 V
• Supply Voltage (min): 2.7 V
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Rtc Bus Interface: I2C
• Supply Current: 260 uA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

ELECTRICAL CHARACTERISTICS (continued)
(V
ELECTRICAL CHARACTERISTICS
(V
V
(V
Output Frequency
Frequency Stability vs.
Temperature
Frequency Stability vs. Voltage
Frequency Sensitivity per LSB
Temperature Sensor Accuracy
Temperature Conversion Time
Active Battery Current
Timekeeping Battery Current
Temperature Conversion Current
Data-Retention Current
(RTC/TCXO Registers)
CC
BAT
CC
CC
= 2.7V to 3.63V, T
= 0V, V
Active)
Leakage Current
PARAMETER
PARAMETER
BAT
= 2.3V to 3.6V, T
A
= -40°C to +85°C, unless otherwise noted.) (Note 2)
A
= -40°C to +85°C, unless otherwise noted.) (Note 2)
SYMBOL
SYMBOL
I
BATLKG
I
I
Accurate I
t
Temp
I
BATDR
I
BATTC
CONV
f
f/f
BATA
f/LSB
BATT
OUT
f/V
OUT
_____________________________________________________________________
V
V
V
Specified at:
V
EOSC = 0, BBSQW = 0,
SCL = 400kHz (Note 5)
EOSC = 0, BBSQW = 0,
EN32kHz = 1,
SCL = SDA = 0V or
SCL = SDA = V
EOSC = 0, BBSQW = 0,
SCL = SDA = 0V or
SCL = SDA = V
EOSC = 1, SCL = SDA = 0V, +25°C
CC
CC
BAT
CC
= 3.3V or V
= 3.3V or
= 3.3V or V
= 3.3V
CONDITIONS
CONDITIONS
BAT
BAT
BAT
BAT
2
= 3.3V
= 3.3V
(Note 6)
C RTC with Integrated
-40°C to 0°C
0°C to +40°C
-40°C to +85°C
-40°C
+25°C
+70°C
+85°C
TCXO/Crystal/FRAM
V
V
V
BAT
BAT
BAT
= 3.6V
= 3.6V
= 3.6V
MIN
-3.5
-3.5
MIN
-2
-3
32.768
TYP
TYP
0.84
125
0.7
0.1
0.4
0.8
25
1
MAX
+3.5
+3.5
MAX
100
200
575
100
+2
+3
3.0
70
UNITS
ppm/V
UNITS
ppm
ppm
kHz
ms
nA
°C
μA
μA
μA
nA
3