ISL1219IUZ Intersil, ISL1219IUZ Datasheet - Page 18

• Manufacturer Part Number: ISL1219IUZ
• Description: IC RTC LP BATT BACK SRAM 10MSOP
• Manufacturer: Intersil
• Type: Clock/Calendar/NVSRAMr

Specifications of ISL1219IUZ

• 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
• Clock Format: HH
• Clock Ic Type: RTC
• Interface Type: I2C, Serial
• Memory Configuration: 2 X 8
• Supply Voltage Range: 2.7V To 5.5V
• Digital Ic Case Style: MSOP
• Rohs Compliant: Yes
• 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 ISL1219
18
START
FIGURE 14. VALID DATA CHANGES, START, AND STOP CONDITIONS
START
FIGURE 15. ACKNOWLEDGE RESPONSE FROM RECEIVER
HIGH IMPEDANCE
S
T
A
R
T
1
FIGURE 16. BYTE WRITE SEQUENCE
IDENTIFICATION
1
1
0
BYTE
1
STABLE
1 1 1
DATA
ISL1219
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
July 15, 2010
FN6314.2