IDT1339 Integrated Device Technology, IDT1339 Datasheet - Page 19

• Manufacturer Part Number: IDT1339
• Description: Real-time Clock With Serial I 2c Interface
• Manufacturer: Integrated Device Technology

Typ Operating Characteristics (V
IDT™ REAL-TIME CLOCK WITH SERIAL I
IDT1339
REAL-TIME CLOCK WITH SERIAL I
425
420
415
410
405
400
395
390
385
380
500
460
420
380
340
300
-40
1.3
-20
1.8
IBACKUP vs Temperature
0
IBACKUP vs VBACKUP
Temperature (C)
VBACKUP (V)
(IDT1339-31)
(IDT1339-31)
RS1=RS0=00
RS1=RS0=00
20
2.3
2
C INTERFACE
40
2
C INTERFACE
2.8
60
CC
=3.3V, T
80
3.3
INTC=1
INTC=0
INTC=1
INTC=0
A
=25 C)
19
32768.05
32768.1
20
16
12
8
4
0
32768
2.7
2.8
Oscillator Frequency vs Supply Voltage
Sup p l y cur r ent ( uA )
3.3
3.7
(IDT1339-31)
3.8
Icc vs Vcc
SD A =GN D
(IDT1339-31)
Frequency (Hz)
4.7
4.3
IDT1339
4.8
5.3
REV H 112008
SCL=400kHz
SCL=0Hz
RTC
Freq