ISL12027IB27Z-T Intersil, ISL12027IB27Z-T Datasheet - Page 7

• Manufacturer Part Number: ISL12027IB27Z-T
• Description: IC RTC/CALENDAR EEPROM 8-SOIC
• Manufacturer: Intersil
• Type: Clock/Calendar/Supervisor/EEPROMr

Specifications of ISL12027IB27Z-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)
• Bus Type: Serial (I2C)
• Operating Supply Voltage (typ): 3.3V
• Operating Supply Voltage (max): 5.5V
• Operating Supply Voltage (min): 2.7V
• Operating Temperature Classification: Industrial
• Operating Temperature (max): 85C
• Operating Temperature (min): -40C
• Pin Count: 8
• Mounting: Surface Mount
• Rohs Compliant: YES
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: ISL12027IB27Z-TTR

Timing Diagrams
(OUTPUT TIMING)
(INPUT TIMING)
SDA
SCL
RESET
SDA
RESET
SCL
SDA
SDA
SCL
V
DD
t
SU:STA
V
8TH BIT OF LAST BYTE
RESET
t
START
R
7
t
HD:STA
Note: All inputs are ignored during the active reset period (t
t
PURST
t
RSP
t
t
RSP
F
<t
WDO
t
SU:DAT
STOP START
FIGURE 2. WRITE CYCLE TIMING
FIGURE 3. WATCHDOG TIMING
ISL12027, ISL12027A
FIGURE 4. RESET TIMING
FIGURE 1. BUS TIMING
t
ACK
HIGH
t
RSP
t
RPD
>t
t
LOW
WDO
t
HD:DAT
CONDITION
STOP
t
PURST
t
R
t
RST
t
AA
RST
t
WC
).
t
DH
t
RSP
CONDITION
>t
START
WDO
t
F
t
BUF
V
t
RST
RVALID
t
SU:STO
t
HD:STO
August 12, 2010
FN8232.8