ISL12024IBZ-T Intersil, ISL12024IBZ-T Datasheet - Page 2

• Manufacturer Part Number: ISL12024IBZ-T
• Description: IC RTC/CALENDAR EEPROM 8-SOIC
• Manufacturer: Intersil
• Type: Clock/Calendar/EEPROMr

Specifications of ISL12024IBZ-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)
• Rohs Compliant: YES
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: ISL12024IBZ-TTR

Block Diagram
Pin Descriptions
SOIC
IRQ/F
PIN NUMBER
1
2
3
4
5
6
7
8
SCL
SDA
OUT
32.768kHz
TSSOP
INTERFACE
DECODER
3
4
5
6
7
8
1
2
SERIAL
SELECT
IRQ/F
X1
X2
SYMBOL
V
GND
SDA
SCL
V
X1
X2
BAT
DD
CONTROL
DECODE
8
OUT
2
LOGIC
The X1 pin is the input of an inverting amplifier and is intended to be connected to one pin of an external
32.768kHz quartz crystal. X1 can also be driven directly from a 32.768kHz source. (See “Application Section”
on page 20.)
The X2 pin is the output of an inverting amplifier and is intended to be connected to one pin of an external
32.768kHz quartz crystal. (See “Application Section” on page 20.)
Interrupt Output/Frequency Output is a multi-functional pin that can be used as interrupt or frequency
output pin. The function is set via the control register. This output is an open drain configuration.
Ground.
Serial Data (SDA) is a bidirectional 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.
The Serial Clock (SCL) input is used to clock all serial data into and out of the device. The input buffer on
this pin is always active (not gated).
This input provides a backup supply voltage to the device. V
that the V
Power Supply.
REGISTERS
CONTROL/
(EEPROM)
OSCILLATOR
DD
COMPENSATION
supply fails. This pin should be tied to ground if not used.
OSC
ISL12024
REGISTERS
FREQUENCY
STATUS
(SRAM)
DIVIDER
1Hz
CALENDAR
DESCRIPTION
ALARM
TIMER
LOGIC
ALARM REGS
REGISTERS
EEPROM
BAT
COMPARE
(EEPROM)
KEEPING
ARRAY
(SRAM)
TIME
4k
supplies power to the device in the event
CIRCUITRY
BATTERY
SWITCH
August 18, 2008
V
V
FN6370.3
DD
BAT