ISL12028 Datasheet, PDF (2/28 Pages) Intersil Corporation – Real Time Clock/Calendar with EEPROM

ISL12028
Ordering Information
PART NUMBER
(Note)
ISL12028IB27Z
PART MARKING
12028IB27Z
V_RESET VOLTAGE
2.63V
TEMP RANGE
(°C)
-40 to +85
PACKAGE
(Pb-free)
14 Ld SOIC
PKG. DWG. #
M14.15
ISL12028IB27AZ
12028IB27 AZ
2.92V
-40 to +85
14 Ld SOIC
M14.15
ISL12028IB30AZ
12028IB30 AZ
3.09V
-40 to +85
14 Ld SOIC
M14.15
ISL12028IBZ
12928IBZ
4.38V
-40 to +85
14 Ld SOIC
M14.15
ISL12028IBAZ
12028IBAZ
4.64V
-40 to +85
14 Ld SOIC
M14.15
ISL12028IV27Z
12028 IV27Z
2.63V
-40 to +85
14 Ld TSSOP
M14.173
ISL12028IV27AZ
12028 27AZ
2.92V
-40 to +85
14 Ld TSSOP
M14.173
ISL12028IV30AZ
12028 30AZ
3.09V
-40 to +85
14 Ld TSSOP
M14.173
ISL12028IVZ
12028 IVZ
4.38V
-40 to +85
14 Ld TSSOP
M14.173
ISL12028IVAZ
12028 IVAZ
4.64V
-40 to +85
14 Ld TSSOP
M14.173
NOTE: Intersil Pb-free plus anneal products employ special Pb-free material sets; molding compounds/die attach materials and 100% matte tin plate
termination finish, which are RoHS compliant and compatible with both SnPb and Pb-free soldering operations. Intersil Pb-free products are MSL
classified at Pb-free peak reflow temperatures that meet or exceed the Pb-free requirements of IPC/JEDEC J STD-020.
Tape & Reel - add “-T” suffix after the part number.
Block Diagram
X1
32.768kHz
X2
IRQ/F_OUT
Select
SCL
SDA
Serial
Interface
Decoder
RESET
Control
Decode
Logic
8
OSC Compensation
Oscillator
Frequency 1Hz
Divider
Timer
Calendar
Logic
Control/
Registers
(EEPROM)
Status
Registers
(SRAM)
Alarm
Watchdog
Timer
Low Voltage
Reset
Time
Keeping
Registers
(SRAM)
Compare
Alarm Regs
(EEPROM)
4K
EEPROM
ARRAY
Battery
Switch
Circuitry
V_DD
V_BACK
2
FN8233.5
October 18, 2006