ISL12027IB27AZ Intersil, ISL12027IB27AZ Datasheet - Page 2

• Manufacturer Part Number: ISL12027IB27AZ
• Description: IC RTC/CALENDAR EEPROM 8-SOIC
• Manufacturer: Intersil
• Type: Clock/Calendar/Supervisor/EEPROMr

Specifications of ISL12027IB27AZ

• 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)
• Clock Format: HH
• Clock Ic Type: RTC
• Interface Type: I2C, Serial
• Memory Configuration: 512 X 8
• Supply Voltage Range: 2.7V To 5.5V
• Digital Ic Case Style: SOIC
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Pin Descriptions
Ordering Information
NOTES:
ISL12027IB27Z
ISL12027IB27AZ
ISL12027IB30AZ
ISL12027IBZ
ISL12027IBAZ
ISL12027IV27Z
ISL12027IV27AZ
ISL12027IV30AZ
ISL12027IVZ
ISL12027IVAZ
ISL12027AIB27Z
ISL12027AIV27Z
1. Add “-T” suffix for tape and reel. Please refer to
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
SOIC
(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 TB363.
1
2
3
4
5
6
7
8
PIN NUMBER
NUMBER
PART
TSSOP
3
4
5
6
7
8
1
2
2027 I27Z
12027 IB27Z
12027 IB27AZ
12027 IB30AZ
12027 IBZ
12027 IBAZ
2027 27AZ
2027 30AZ
2027 IVZ
2027 IVAZ
12027A IB27Z
2027A I27Z
MARKING
PART
SYMBOL
RESET
V
GND
SDA
SCL
V
X1
X2
BAT
DD
2
V
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.
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.
RESET. This is a reset signal output. This signal notifies a host processor that the “watchdog” time period
has expired or that the voltage has dropped below a fixed V
output. Recommended value for the pull-up resistor is 5kΩ. If unused, connect to ground.
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.
BAT
V
V
V
V
V
V
V
V
V
V
V
V
DD
DD
DD
DD
DD
DD
DD
DD
DD
DD
DD
DD
TRIP POINT
(V)
< V
< V
< V
< V
< V
< V
< V
< V
< V
< V
< V
< V
DD
BAT
BAT
BAT
BAT
BAT
BAT
BAT
BAT
BAT
BAT
BAT
BAT
TB347
supply fails. This pin should be tied to ground if not used.
ISL12027, ISL12027A
for details on reel specifications.
BSW BIT DEFAULT
SETTING
BSW = 1
BSW = 1
BSW = 1
BSW = 1
BSW = 1
BSW = 1
BSW = 1
BSW = 1
BSW = 1
BSW = 1
BSW = 0
BSW =0
ISL12027,
BRIEF DESCRIPTION
VOLTAGE
V
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)
ISL12027A. For more information on MSL please see
TRIP
TEMP. RANGE
BAT
-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
threshold. It is an open drain active LOW
supplies power to the device in the event
(°C)
8 Ld SOIC
8 Ld SOIC
8 Ld SOIC
8 Ld SOIC
8 Ld SOIC
8 Ld TSSOP
8 Ld TSSOP
8 Ld TSSOP
8 Ld TSSOP
8 Ld TSSOP
8 Ld SOIC
8 Ld TSSOP
PACKAGE
(Pb-Free)
M8.15
M8.15
M8.15
M8.15
M8.15
M8.173
M8.173
M8.173
M8.173
M8.173
M8.15
M8.173
August 12, 2010
DWG. #
PKG.
FN8232.8