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X1205V8IZ 데이터 시트보기 (PDF) - Intersil

부품명X1205V8IZ Intersil
Intersil Intersil
상세내역2-Wire™ RTC Real Time Clock/Calendar
X1205V8IZ Datasheet PDF : 22 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
X1205
ABSOLUTE MAXIMUM RATINGS
Temperature Under Bias ................... -65°C to +135°C
Storage Temperature ........................ -65°C to +150°C
Voltage on VCC, VBACK and IRQ
pin (respect to ground) ............................-0.5V to 7.0V
Voltage on SCL, SDA, X1 and X2
pin (respect to ground) ............... -0.5V to 7.0V or 0.5V
above VCC or VBACK (whichever is higher)
DC Output Current .............................................. 5 mA
Lead Temperature (Soldering, 10 sec) .............. 300°C
Stresses above those listed under “Absolute Maximum
Ratings” may cause permanent damage to the device.
This is a stress rating only and the functional operation
of the device at these or any other conditions above
those indicated in the operational sections of this
specification is not implied. Exposure to absolute max-
imum rating conditions for extended periods may
affect device reliability.
DC OPERATING CHARACTERISTICS (Temperature = -40°C to +85°C, unless otherwise stated.)
Symbol
VCC
VBACK
VCB
VBC
Parameter
Main Power Supply
Backup Power Supply
Switch to Backup Supply
Switch to Main Supply
Conditions
Min
Typ
Max
Unit
2.7
5.5
V
1.8
5.5
V
VBACK -0.2
VBACK
VBACK -0.1
V
VBACK +0.2
V
Notes
OPERATING CHARACTERISTICS
Symbol
Parameter
Conditions
Min
ICC1
ICC2
ICC3
IBACK
Read Active Supply
Current
Program Supply Current
(nonvolatile)
Main Timekeeping
Current
Timekeeping Current
VCC = 2.7V
VCC = 5.0V
VCC = 2.7V
VCC = 5.0V
VCC = 2.7V
VCC = 5.0V
VBACK = 1.8V
VBACK = 3.3V
ILI
Input Leakage Current
ILO Output Leakage Current
VIL Input LOW Voltage
-0.5
VIH
VHYS
VOL
Input HIGH Voltage
Schmitt Trigger Input
Hysteresis
Output LOW Voltage for
SDA/IRQ
VCC related level
VCC = 2.7V
VCC = 5.5V
VCC x 0.7 or
VBACK x 0.7
.05 x VCC or
.05 x VBACK
Typ
1.25
1.5
Max
400
800
2.5
3.0
10
20
10
10
VCC x 0.2 or
VBACK x 0.2
VCC + 0.5 or
VBACK + 0.5
Unit
µA
µA
mA
mA
µA
µA
µA
µA
µA
µA
V
V
V
Notes
1, 5, 7, 14
2, 5, 7, 14
3, 7, 8, 14, 15
3, 6, 9, 14, 15
“See Perfor-
mance Data”
10
10
13
13
13
0.4
V
11
0.4
3
FN8097.2
September 23, 2005
Direct download click here
 

DESCRIPTION
The X1205 device is a Real Time Clock with clock/calendar, two polled alarms, oscillator compensation, and battery backup switch.
The oscillator uses an external, low-cost 32.768kHz crystal. All compensation and trim components are integrated on the chip. This eliminates several external discrete components and a trim capacitor, saving board area and component cost.
The Real-Time Clock keeps track of time with separate registers for Hours, Minutes, and Seconds. The Calendar has separate registers for Date, Month, Year and Day-of-week. The calendar is correct through 2099, with automatic leap year correction.

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
• Battery Switch or Super Cap Input
• 2-Wire™ Interface interoperable with I2C*
   —400kHz data transfer rate
• Low Power CMOS
   —1.25µA Operating Current (Typical)
• Small Package Options
   —8-Lead SOIC and 8-Lead 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

 

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