12028IVZ データシートの表示（PDF） - Renesas Electronics
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12028IVZ Datasheet PDF : 29 Pages
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ISL12028, ISL12028A
Ordering Information
PART NUMBER
(Notes 1, 2, 3)
PART
MARKING
VBAT TRIP
POINT
(V)
BSW BIT
DEFAULT
SETTING
VRESET
VOLTAGE
(V)
TEMP. RANGE
(°C)
PACKAGE
(Pb-free)
PKG.
DWG. #
ISL12028IB27Z
12028IB27Z
VDD < VBAT
BSW = 1
2.63
ISL12028IBZ
12028IBZ
VDD < VBAT
BSW = 1
4.38
ISL12028IV27Z
12028 IV27Z
VDD < VBAT
BSW = 1
2.63
ISL12028IVZ
12028 IVZ
VDD < VBAT
BSW = 1
4.38
ISL12028AIB27Z
12028AIB 27Z
2.2
(No longer available or
supported)
BSW = 0
2.63
-40 to +85
-40 to +85
-40 to +85
-40 to +85
-40 to +85
14 Ld SOIC
14 Ld SOIC
14 Ld TSSOP
14 Ld TSSOP
14 Ld SOIC
M14.15
M14.15
M14.173
M14.173
M14.15
ISL12028AIV27Z
2028A IV27Z
(No longer available or
supported)
2.2
BSW = 0
2.63
-40 to +85 14 Ld TSSOP M14.173
NOTES:
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
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.
3. For Moisture Sensitivity Level (MSL), please see device information page for ISL12028, ISL12028A. For more information on MSL please see
techbrief TB363
Block Diagram
X1
32.768kHZ
X2
IRQ/FOUT
SELECT
SCL
SDA
SERIAL
INTERFACE
DECODER
CONTROL
DECODE
LOGIC
8
RESET
OSC COMPENSATION
OSCILLATOR
FREQUENCY
DIVIDER
1Hz
TIMER
CALENDAR
LOGIC
TIME
KEEPING
REGISTERS
(SRAM)
CONTROL/
REGISTERS
(EEPROM)
STATUS
REGISTERS
(SRAM)
ALARM
WATCHDOG LOW VOLTAGE
TIMER
RESET
COMPARE
ALARM REGS
(EEPROM)
4k
EEPROM
ARRAY
BATTERY
SWITCH
CIRCUITRY
VDD
VBACK
FN8233 Rev 10.00
August 14, 2015
Page 2 of 29
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