IDT1338-31DCGI8 IDT, Integrated Device Technology Inc, IDT1338-31DCGI8 Datasheet - Page 15

• Manufacturer Part Number: IDT1338-31DCGI8
• Description: IC SERIAL RTC I2C LP 8-SOIC
• Manufacturer: IDT, Integrated Device Technology Inc
• Type: Clock/Calendar/NVSRAMr

Specifications of IDT1338-31DCGI8

• Date Format: YY-MM-DD-dd
• Time Format: HH:MM:SS (12/24 hr)
• Memory Size: 56B
• Interface: I²C, 2-Wire Serial
• Voltage - Supply: 3.3 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC
• Bus Type: Serial (I2C)
• User Ram: 56Byte
• Operating Supply Voltage (typ): 3.3V
• Operating Supply Voltage (max): 5.5V
• Operating Temperature Classification: Industrial
• Operating Temperature (max): 85C
• Operating Temperature (min): -40C
• Pin Count: 8
• Mounting: Surface Mount
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 1338-31DCGI8

Typical Operating Characteristics
IDT® REAL-TIME CLOCK WITH BATTERY BACKED NON-VOLATILE RAM 15
IDT1338
REAL-TIME CLOCK WITH BATTERY BACKED NON-VOLATILE RAM
734
694
654
614
574
534
494
800
700
600
500
400
1.3
-40
-20
1.8
IBAT vs Temperature
Temperature (C)
0
IBAT vs VBAT
20
VBat (V)
(IDT1338-31)
2.3
40
60
2.8
80
3.3
SQWE=1
SQWE=0
SQWE=1
SQWE=0
25
20
15
10
32767.950000
32767.900000
32767.850000
32767.800000
32767.750000
5
0
2.7
Oscillator Frequency vs Supply Voltage
2.7
3.2
3.2
3.7
Oscillator Supply Voltage (V)
3.7
Vcc (V)
(IDT1338-31)
Icc vs Vcc
4.2
4.2
4.7
IDT1338
4.7
5.2
5.2
REV K 032910
SCL=400kHz
SCL=0Hz
RTC
Freq