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X1228S14I-4.5AT1

Description
1 TIMER(S), REAL TIME CLOCK, PDSO14, PLASTIC, SOIC-14
CategoryThe embedded processor and controller    Microcontrollers and processors   
File Size431KB,29 Pages
ManufacturerRenesas Electronics Corporation
Websitehttps://www.renesas.com/
Download Datasheet Parametric View All

X1228S14I-4.5AT1 Overview

1 TIMER(S), REAL TIME CLOCK, PDSO14, PLASTIC, SOIC-14

X1228S14I-4.5AT1 Parametric

Parameter NameAttribute value
Is it lead-free?Contains lead
Is it Rohs certified?incompatible
Parts packaging codeSOIC
package instructionPLASTIC, SOIC-14
Contacts14
Reach Compliance Codenot_compliant
ECCN codeEAR99
maximum clock frequency0.032 MHz
Information access methodsI2C
interrupt capabilityY
JESD-30 codeR-PDSO-G14
JESD-609 codee0
length8.65 mm
Number of terminals14
Number of timers1
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
Package body materialPLASTIC/EPOXY
encapsulated codeSOP
Encapsulate equivalent codeSOP14,.25
Package shapeRECTANGULAR
Package formSMALL OUTLINE
Peak Reflow Temperature (Celsius)NOT SPECIFIED
power supply3/5 V
Certification statusNot Qualified
Maximum seat height1.75 mm
Maximum supply voltage5.5 V
Minimum supply voltage2.7 V
Nominal supply voltage5 V
surface mountYES
technologyCMOS
Temperature levelINDUSTRIAL
Terminal surfaceTin/Lead (Sn/Pb)
Terminal formGULL WING
Terminal pitch1.27 mm
Terminal locationDUAL
shortest timeSECONDS
Maximum time at peak reflow temperatureNOT SPECIFIED
VolatileYES
width3.9 mm
uPs/uCs/peripheral integrated circuit typeTIMER, REAL TIME CLOCK
Base Number Matches1
®
X1228
4K (512 x 8), 2-Wire
RTC
Data Sheet
October 17, 2005
FN8100.2
Real Time Clock/Calendar/CPU
Supervisor with EEPROM
FEATURES
• Real Time Clock/Calendar
— Tracks time in Hours, Minutes, and Seconds
— Day of the Week, Day, Month, and Year
• 2 Polled Alarms (Non-volatile)
— Settable on the Second, Minute, Hour, Day of the
Week, Day, or Month
— Repeat Mode (periodic interrupts)
• Oscillator Compensation on chip
— Internal feedback resistor and compensation
capacitors
— 64 position Digitally Controlled Trim Capacitor
— 6 digital frequency adjustment settings to
±30ppm
• CPU Supervisor Functions
— Power-on Reset, Low Voltage Sense
— Watchdog Timer (SW Selectable: 0.25s, 0.75s,
1.75s, off)
• Battery Switch or Super Cap Input
• 512 x 8 Bits of EEPROM
— 64-Byte Page Write Mode
— 8 modes of Block Lock™ Protection
— Single Byte Write Capability
• High Reliability
— Data Retention: 100 years
— Endurance: 100,000 cycles per byte
• 2-Wire™ Interface interoperable with I2C*
— 400kHz data transfer rate
• Frequency Output (SW Selectable: Off, 1Hz,
4096Hz, or 32.768kHz)
• Low Power CMOS
— 1.25µA Operating Current (Typical)
• Small Package Options
— 14 Ld SOIC and 14 Ld TSSOP
• Repetitive Alarms
• Temperature Compensation
• Pb-Free Plus Anneal Available (RoHS Compliant)
APPLICATIONS
Utility Meters
HVAC Equipment
Audio/Video Components
Set Top Box/Television
Modems
Network Routers, Hubs, Switches, Bridges
Cellular Infrastructure Equipment
Fixed Broadband Wireless Equipment
Pagers/PDA
POS Equipment
Test Meters/Fixtures
Office Automation (Copiers, Fax)
Home Appliances
Computer Products
Other Industrial/Medical/Automotive
BLOCK DIAGRAM
OSC Compensation
X1
32.768kHz
X2
Oscillator
Frequency
Divider
1Hz
Timer
Calendar
Logic
Time
Keeping
Registers
(SRAM)
Battery
Switch
Circuitry
V
CC
V
BACK
PHZ/IRQ
Select
Status
Registers
(SRAM)
Mask
SCL
SDA
Serial
Interface
Decoder
Control
Decode
Logic
Control/
Registers
(EEPROM)
Alarm
Compare
Alarm Regs
(EEPROM)
4K
EEPROM
ARRAY
8
RESET
Watchdog
Timer
Low Voltage
Reset
1
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-468-3774
|
Intersil (and design) is a registered trademark of Intersil Americas Inc.
Copyright Intersil Americas Inc. 2005. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.
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