ISL12030IBZ Intersil, ISL12030IBZ Datasheet - Page 2

• Manufacturer Part Number: ISL12030IBZ
• Description: IC RTC/CALENDAR EEPROM 8-SOIC
• Manufacturer: Intersil
• Type: Clock/Calendar/NVSRAMr

Specifications of ISL12030IBZ

• Memory Size: 1K (128 x 8)
• Time Format: HH:MM:SS:hh (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

Block Diagram
Functional Pin Descriptions
NUMBER
PIN
1, 4
2
3
5
6
7
8
SYMBOL
GND
SDA
SCL
V
IRQ
AC
NC
DD
AC
SDA
V
SCL
GND
DD
Ground.
AC Input. The AC input pin accepts either 50Hz of 60Hz AC 2.5V
Serial Data. SDA is a bi-directional pin used to transfer serial data into and out of the device. It has an open drain
output and may be wire OR’ed with other open drain or open collector outputs.
Serial Clock. The SCL input is used to clock all serial data into and out of the device.
Interrupt Output. Open Drain active low output. Interrupt output pin to indicate alarm is triggered.
Power supply.
No Connection. Do not connect to any electrical circuit, power or ground.
2
AC INPUT
BUFFER
BUFFER
INTERNAL
BUFFER
SUPPLY
SDA
SCL
INTERFACE
I
2
C
ISL12030
DIVIDER
RTC
DESCRIPTION
REGISTERS
CONTROL
ALARM
LOGIC
P-P
sine wave signal.
DAY OF WEEK
REGISTERS
SECONDS
CONTROL
MINUTES
HOURS
MONTH
SRAM
YEAR
USER
DATE
IRQ
January 15, 2008
FN6617.1