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ISL12029IB27AZ bảng dữ liệu(PDF) 2 Page - Intersil Corporation

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nhà sản xuất  INTERSIL [Intersil Corporation]
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2
FN6206.9
August 12, 2010
Block Diagram
X1
X2
OSCILLATOR
FREQUENCY
TIMER
LOGIC
DIVIDER
CALENDAR
8
CONTROL/
REGISTERS
1Hz
TIME
KEEPING
REGISTERS
ALARM REGS
COMPARE
RESET
CONTROL
DECODE
LOGIC
ALARM
(EEPROM)
(EEPROM)
SCL
SDA
SERIAL
INTERFACE
DECODER
4k
EEPROM
ARRAY
WATCHDOG
TIMER
LOW VOLTAGE
RESET
REGISTERS
STATUS
(SRAM)
SELECT
VDD
VBACK
32.768kHZ
(SRAM)
BATTERY
CIRCUITRY
SWITCH
OSC COMPENSATION
IRQ/FOUT
Pin Descriptions
PIN
NUMBER
SYMBOL
DESCRIPTION
1
X1
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.
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.
6
RESET
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 VTRIP threshold. It is an open drain active LOW output.
Recommended value for the pull-up resistor is 5k
Ω. If unused, connect to ground.
7
GND
Ground.
8
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.
9
SCL
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).
12
IRQ/FOUT
Interrupt Output/Frequency Output is a multi-functional pin that can be used as interrupt or frequency output pin. It
is an open drain output. The function is set via the configuration register.
13
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.
14
VDD
Power Supply.
3, 4, 5, 10,
11
NC
No Internal Connection.
ISL12029, ISL12029A


Số phần tương tự - ISL12029IB27AZ

nhà sản xuấttên linh kiệnbảng dữ liệuGiải thích chi tiết về linh kiện
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Intersil Corporation
ISL12029IB27AZ INTERSIL-ISL12029IB27AZ Datasheet
426Kb / 28P
   Real Time Clock/Calendar with EEPROM
ISL12029IB27AZ INTERSIL-ISL12029IB27AZ Datasheet
580Kb / 29P
   Real Time Clock/Calendar with I2C Bus??and EEPROM
logo
Renesas Technology Corp
ISL12029IB27AZ RENESAS-ISL12029IB27AZ Datasheet
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Intersil Corporation
ISL12029IB27AZ-T INTERSIL-ISL12029IB27AZ-T Datasheet
426Kb / 28P
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Mô tả tương tự - ISL12029IB27AZ

nhà sản xuấttên linh kiệnbảng dữ liệuGiải thích chi tiết về linh kiện
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