IDT1338-31DCGI IDT, Integrated Device Technology Inc, IDT1338-31DCGI Datasheet - Page 12

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

Specifications of IDT1338-31DCGI

• Memory Size: 56B
• Time Format: HH:MM:SS (12/24 hr)
• Date Format: YY-MM-DD-dd
• 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
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 1338-31DCGI

DC Electrical Characteristics
DC Electrical Characteristics
IDT® REAL-TIME CLOCK WITH BATTERY BACKED NON-VOLATILE RAM 12
IDT1338
REAL-TIME CLOCK WITH BATTERY BACKED NON-VOLATILE RAM
(V
TA = +25°C, unless otherwise noted.) (Note 1)
(V
otherwise noted.) (Note 1)
Input Leakage
I/O Leakage
SDA Logic 0 Output
SQW/OUT Logic 0 Output
Active Supply Current (Note 5)
Standby Current (Note 6)
V
V
SQW/OUT OFF
V
SQW/OUT ON
V
(OSC OFF); V
CC
CC
BAT
BAT
BAT
BAT
= V
= 0V, TA = -40° C to +85° C, unless otherwise noted. Typical values are at V
Leakage Current (
Current (OSC ON); V
Current (OSC ON); V
Data-Retention Current
CC(MIN)
Parameter
Parameter
BAT
to V
=3.7 V
CC(MAX)
V
CC
BAT
BAT
, TA = -40° C to +85°C, unless otherwise noted. Typical values are at V
Active)
=3.7 V,
=3.7 V,
Symbol
I
I
I
BATLKG
Symbol
OLSQW
I
I
OLSDA
BATOSC1
BATOSC2
I
I
I
CCA
CCS
BATDAT
I
I
LO
LI
Note 3
Note 4
V
V
V
1.71 V <
V
1.3 V <
V
IDT1338-18
IDT1338-31;
IDT1338-31; 3.63 V <
5.5 V
IDT1338-18
IDT1338-31;
IDT1338-31; 3.63 V <
5.5 V
CC
CC
CC
OL
OL
Note 7
Note 7
Note 7
> 2 V; V
< 2 V; V
> 2 V; V
= 0.2
= 0.2
Conditions
V
Conditions
V
CC
V
V
CC
CC
CC
< 1.71 V;
OL
OL
OL
V
V
< 2 V;
CC
CC
= 0.4 V
= 0.2
= 0.4 V
< 3.63 V
< 3.63 V
V
CC
V
V
CC
CC
Min.
<
<
BAT
Min.
= 3.0 V, TA = +25° C, unless
1025
Typ.
800
10
IDT1338
Typ.
120
75
60
85
25
Max.
1200
1400
100
CC
Max. Units
250
150
200
325
100
125
200
100
3.0
3.0
3.0
3.0
= 3.3 V,
1
1
REV K 032910
Units
RTC
nA
nA
nA
mA
mA
mA
µA
µA
µA
µA
µA
nA