DS32B35-33IND# Maxim Integrated Products, DS32B35-33IND# Datasheet - Page 7

• Manufacturer Part Number: DS32B35-33IND#
• Description: IC RTC W/TCXO 20-SOIC
• Manufacturer: Maxim Integrated Products
• Type: Clock/Calendar/TCXO/Crystal/FRAMr

Specifications of DS32B35-33IND#

• Memory Size: 16K (2K 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: 2048 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

(V
CC
= +3.3V, T
150
125
100
A
1.0
0.9
0.8
0.7
0.6
75
50
25
0
= +25°C, unless otherwise noted.)
2.0
-40
V
SDA = SCL = V
CC
2.5
= 0V, EN32kHz = 1, BSY = 0,
STANDBY SUPPLY CURRENT
-15
vs. SUPPLY VOLTAGE
RST ACTIVE
3.0
vs. TEMPERATURE
SUPPLY CURRENT
TEMPERATURE (°C)
BAT
10
3.5
OR GND
V
CC
(V)
4.0
Accurate I
35
BSY = 0,
SDA = SCL = V
4.5
_____________________________________________________________________
60
5.0
CC
5.5
85
2
Typical Operating Characteristics
C RTC with Integrated
-10
-20
-30
-40
TCXO/Crystal/FRAM
1.2
1.1
1.0
0.9
0.8
0.7
0.6
60
50
40
30
20
10
0
-40
2.3
V
SDA = SCL = V
CC
TEMPERATURE vs. AGING VALUE
= 0V, BSY = 0,
FREQUENCY DEVIATION vs.
-15
vs. SUPPLY VOLTAGE
SUPPLY CURRENT
3.3
TEMPERATURE (°C)
EN32kHz = 1
BAT
10
OR V
V
BAT
CC
EN32kHz = 0
(V)
32
35
4.3
0
127
-33
60
-128
5.3
85
7