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ISL1220 डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - I2C Real Time Clock/Calendar - Intersil Corporation

भाग संख्या ISL1220
समारोह I2C Real Time Clock/Calendar
मैन्युफैक्चरर्स Intersil Corporation 
लोगो Intersil Corporation लोगो 
पूर्व दर्शन
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<?=ISL1220?> डेटा पत्रक पीडीएफ

ISL1220 pdf
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Block Diagram
SDA
SCL
SDA
BUFFER
SCL
BUFFER
ISL1220
I2C
INTERFACE
CONTROL
LOGIC
X1
X2
VDD
VTRIP
VBAT
CRYSTAL
OSCILLATOR
RTC
DIVIDER
POR
FREQUENCY
OUT
SWITCH
INTERNAL
SUPPLY
ALARM
GND
SECONDS
MINUTES
HOURS
DAY OF WEEK
DATE
MONTH
YEAR
CONTROL
REGISTERS
USER
SRAM
IRQ
FOUT
Pin Descriptions
PIN
NUMBER
1
SYMBOL
X1
DESCRIPTION
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.
2 X2 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.
3 VBAT This input provides a backup supply voltage to the device. VBAT supplies power to the device in the event that the
VDD supply fails. This pin should be tied to ground if not used.
4 GND Ground.
5 NC No Connection
6 FOUT Frequency Output (FOUT). Open drain output, Programmable to be active/disabled in battery back up mode.
7
SDA
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.
8 SCL The Serial Clock (SCL) input is used to clock all serial data into and out of the device.
9 IRQ Interrupt Output. Open drain output, active low.
10
VDD
Power supply.
2 FN6315.0
June 22, 2006

विन्यास 20 पेज
डाउनलोड[ ISL1220 Datasheet.PDF ]


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