ISL1209IU10Z Intersil, ISL1209IU10Z Datasheet - Page 18

• Manufacturer Part Number: ISL1209IU10Z
• Description: IC RTC LP BATT BACK SRAM 10MSOP
• Manufacturer: Intersil
• Type: Clock/Calendar/NVSRAMr

Specifications of ISL1209IU10Z

• Memory Size: 2B
• 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: 10-MSOP, Micro10™, 10-uMAX, 10-uSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

SDA OUTPUT FROM
SDA OUTPUT FROM
TRANSMITTER
SCL FROM
RECEIVER
SDA
SCL
MASTER
SIGNALS FROM
SIGNAL AT SDA
SIGNALS FROM
THE MASTER
THE ISL1209
18
START
FIGURE 12. VALID DATA CHANGES, START, AND STOP CONDITIONS
START
FIGURE 13. ACKNOWLEDGE RESPONSE FROM RECEIVER
HIGH IMPEDANCE
S
T
A
R
T
1
FIGURE 14. BYTE WRITE SEQUENCE
IDENTIFICATION
1
1
0
BYTE
1
STABLE
1 1 1
DATA
ISL1209
0
WRITE
A
C
K
CHANGE
DATA
0 0 0 0
ADDRESS
BYTE
STABLE
DATA
A
C
K
8
DATA
BYTE
HIGH IMPEDANCE
STOP
ACK
9
A
C
K
S
T
O
P
October 17, 2006
FN6109.4