ISL12025IBZ-T Intersil, ISL12025IBZ-T Datasheet - Page 6

• Manufacturer Part Number: ISL12025IBZ-T
• Description: IC RTC/CALENDAR EEPROM 8-SOIC
• Manufacturer: Intersil
• Type: Clock/Calendar/Supervisor/EEPROMr

Specifications of ISL12025IBZ-T

• Memory Size: 4K (512 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 ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Timing Diagrams
(OUTPUT TIMING)
(INPUT TIMING)
SDA
SCL
SDA
SCL
RESET
SDA
RESET
SDA
SCL
V
t
DD
SU:STA
V
8TH BIT OF LAST BYTE
RESET
t
START
R
6
NOTE: ALL INPUTS ARE IGNORED DURING THE ACTIVE RESET PERIOD (t
t
HD:STA
t
PURST
t
RSP
t
t
RSP
F
<t
WDO
t
SU:DAT
STOP START
FIGURE 2. WRITE CYCLE TIMING
FIGURE 3. WATCHDOG TIMING
FIGURE 4. RESET TIMING
t
FIGURE 1. BUS TIMING
ACK
HIGH
ISL12025
t
RSP
t
RPD
>t
t
LOW
WDO
t
HD:DAT
CONDITION
STOP
t
PURST
t
R
t
RST
t
AA
t
WC
t
DH
t
RSP
RST
CONDITION
>t
).
START
WDO
t
F
t
BUF
V
t
RST
RVALID
t
SU:STO
t
HD:STO
August 13, 2008
FN6371.3