ISL12028IV27Z-T Intersil, ISL12028IV27Z-T Datasheet - Page 2

• Manufacturer Part Number: ISL12028IV27Z-T
• Description: IC RTC EEPROM LP 14-TSSOP
• Manufacturer: Intersil
• Type: Clock/Calendar/Supervisor/EEPROMr

Specifications of ISL12028IV27Z-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: 14-TSSOP
• Rohs Compliant: YES
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: ISL12028IV27Z-TTR

Ordering Information
NOTES:
Block Diagram
ISL12028IB27Z
ISL12028IB27AZ
ISL12028IB30AZ
ISL12028IBZ
ISL12028IBAZ
ISL12028IV27Z
ISL12028IV27AZ
ISL12028IV30AZ
ISL12028IVZ
ISL12028IVAZ
ISL12028AIB27Z
ISL12028AIV27Z
1. Add “-T*” suffix for tape and reel. Please refer to TB347 for details on reel specifications.
2. These Intersil Pb-free plastic packaged products employ special Pb-free material sets, molding compounds/die attach materials, and 100% matte
3. For Moisture Sensitivity Level (MSL), please see device information page for
PART NUMBER
(Notes 1, 2, 3)
tin plate plus anneal (e3 termination finish, which is 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.
techbrief
IRQ/F
SDA
SCL
OUT
TB363
32.768kHZ
RESET
INTERFACE
DECODER
12028IB27Z
12028IB27 AZ
12028IB30 AZ
12028IBZ
12028IBAZ
12028 IV27Z
12028 27AZ
12028 30AZ
12028 IVZ
12028 IVAZ
12028AIB 27Z
2028A IV27Z
SERIAL
MARKING
SELECT
PART
X1
X2
2
CONTROL
DECODE
LOGIC
8
V
V
V
V
V
V
V
V
V
V
V
DD
DD
DD
DD
DD
DD
DD
DD
DD
DD
BAT
POINT
2.2
2.2
(V)
< V
< V
< V
< V
< V
< V
< V
< V
< V
< V
REGISTERS
TRIP
CONTROL/
(EEPROM)
OSCILLATOR
BAT
BAT
BAT
BAT
BAT
BAT
BAT
BAT
BAT
BAT
OSC COMPENSATION
ISL12028, ISL12028A
WATCHDOG
DEFAULT
SETTING
BSW BIT
BSW = 1
BSW = 1
BSW = 1
BSW = 1
BSW = 1
BSW = 1
BSW = 1
BSW = 1
BSW = 1
BSW = 1
BSW = 0
BSW = 0
TIMER
FREQUENCY
REGISTERS
STATUS
DIVIDER
(SRAM)
LOW VOLTAGE
RESET
VOLTAGE
V
1Hz
RESET
2.63
2.92
3.09
4.38
4.64
2.63
2.92
3.09
4.38
4.64
2.63
2.63
(V)
ISL12028,
ALARM
CALENDAR
LOGIC
TIMER
ISL12028A. For more information on MSL please see
TEMP. RANGE
COMPARE
ALARM REGS
-40 to +85
-40 to +85
-40 to +85
-40 to +85
-40 to +85
-40 to +85
-40 to +85
-40 to +85
-40 to +85
-40 to +85
-40 to +85
-40 to +85
EEPROM
ARRAY
(EEPROM)
REGISTERS
(°C)
KEEPING
4k
(SRAM)
TIME
14 Ld SOIC
14 Ld SOIC
14 Ld SOIC
14 Ld SOIC
14 Ld SOIC
14 Ld TSSOP
14 Ld TSSOP
14 Ld TSSOP
14 Ld TSSOP
14 Ld TSSOP
14 Ld SOIC
14 Ld TSSOP
PACKAGE
(Pb-free)
CIRCUITRY
BATTERY
SWITCH
M14.15
M14.15
M14.15
M14.15
M14.15
M14.173
M14.173
M14.173
M14.173
M14.173
M14.15
M14.173
PKG. DWG. #
November 30, 2010
V
V
DD
BACK
FN8233.9