ISL12027IB27AZ Intersil, ISL12027IB27AZ Datasheet - Page 7
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ISL12027IB27AZ
Manufacturer Part Number
ISL12027IB27AZ
Description
IC RTC/CALENDAR EEPROM 8-SOIC
Manufacturer
Intersil
Type
Clock/Calendar/Supervisor/EEPROMr
Specifications of ISL12027IB27AZ
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)
Clock Format
HH
Clock Ic Type
RTC
Interface Type
I2C, Serial
Memory Configuration
512 X 8
Supply Voltage Range
2.7V To 5.5V
Digital Ic Case Style
SOIC
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ISL12027IB27AZ
Manufacturer:
Intersil
Quantity:
669
Part Number:
ISL12027IB27AZ
Manufacturer:
RENESAS/瑞萨
Quantity:
20 000
Company:
Part Number:
ISL12027IB27AZ-T
Manufacturer:
SST
Quantity:
1 200
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
FIGURE 4. RESET TIMING
FIGURE 1. BUS TIMING
t
ACK
HIGH
ISL12027
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
October 18, 2006
FN8232.4