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參數(shù)資料
| 型號： | ISL12020MIRZ |
| 廠商： | Intersil |
| 文件頁數(shù)： | 23/34頁 |
| 文件大小： | 0K |
| 描述： | IC RTC/CALENDAR TEMP SNSR 20-DFN |
| 產(chǎn)品培訓模塊： | Solutions for Industrial Control Applications |
| 標準包裝： | 53 |
| 類型： | 時鐘/日歷 |
| 特點： | 警報器，夏令時，閏年，SRAM |
| 存儲容量： | 128B |
| 時間格式： | HH:MM:SS（12/24 小時） |
| 數(shù)據(jù)格式： | YY-MM-DD-dd |
| 接口： | I²C，2 線串口 |
| 電源電壓： | 2.7 V ~ 5.5 V |
| 電壓 - 電源，電池： | 1.8 V ~ 5.5 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 20-LFDFN 裸露焊盤 |
| 供應(yīng)商設(shè)備封裝： | 20-DFN（5.5x4.0） |
| 包裝： | 管件 |
| 產(chǎn)品目錄頁面： | 1245 (CN2011-ZH PDF) |
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ISL12020M
3
FN6667.5
December 13, 2011
Pin Descriptions
PIN NUMBER
SYMBOL
DESCRIPTION
1, 2, 3, 4, 5, 16,
17, 18, 19, 20
X2
X1
Crystal Connection. The X1 and X2 pins are the input and output, respectively, of an inverting amplifier and are also
connected to the internal 32.768kHz quartz crystal, which is the timebase for the real time clock. Compensation
circuitry with an internal temperature sensor provides frequency correction to ±5ppm over the operating temperature
range from -40°C to +85°C. The X1 and X2 pins are not to be connected to any other circuitry or power voltages, and
are best left floating. Do not connect in an application circuit, floating electrical connection.
6, 9,
10, 15
NC
No connection. Do not connect to a signal or supply voltage.
7VBAT
Backup Supply. 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 can be connected to a battery, a Super Capacitor or tied to ground if not used. See the
Battery Monitor parameter in the “Electrical Specifications” table “DC Operating Characteristics - RTC” on page 6.
11
SDA
Serial Data. SDA is a bi-directional pin used to transfer data into and out of the device. It has an open drain output and
may be ORed with other open drain or open collector outputs. The input buffer is always active (not gated) in normal
mode.
An open drain output requires the use of a pull-up resistor. The output circuitry controls the fall time of the output signal
with the use of a slope controlled pull-down. The circuit is designed for 400kHz I2C interface speeds. It is disabled when
the backup power supply on the VBAT pin is activated. SDA is a bi-directional 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.
12
SCL
Serial Clock. The 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). It is disabled when the backup power supply on the VBAT pin is activated to minimize power
consumption.
13
IRQ/FOUT Interrupt Output/Frequency Output (Default 32.768kHz frequency output). This dual function pin can be used as an
interrupt or frequency output pin. The IRQ/FOUT mode is selected via the frequency out control bits of the control/status
register. Multi-functional pin that can be used as interrupt or frequency output pin. The function is set via the
configuration register. The output is open drain and requires a pull-up resistor.
Interrupt Mode. The pin provides an interrupt signal output. This signal notifies a host processor that an alarm has
occurred and requests action. It is an open drain active low output.
Frequency Output Mode. The pin outputs a clock signal, which is related to the crystal frequency. The frequency output
is user selectable and enabled via the I2C bus. It is an open drain output.
14
VDD
Power supply. Chip power supply and ground pins. The device will operate with a power supply from VDD = 2.7V to
5.5VDC. A 0.1F capacitor is recommended on the VDD pin to ground.
8GND
Ground Pin
Thermal Pad
NC
No Connection. Do not connect to a signal or supply voltage.
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| ISL12020MIRZ-EVALZ | 功能描述:電源管理IC開發(fā)工具 ISL12020MIRZ-EVALZ EVALBRD ROHS COMPL RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類型:Battery Management 工具用于評估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V |
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| ISL12021CVZ | 功能描述:IC RTC LP BATT BACK SRAM 14TSSOP RoHS:是 類別:集成電路 (IC) >> 時鐘/計時 - 實時時鐘 系列:- 產(chǎn)品培訓模塊:Obsolescence Mitigation Program 標準包裝:1 系列:- 類型:時鐘/日歷 特點:警報器，閏年，SRAM 存儲容量:- 時間格式:HH:MM:SS（12/24 小時） 數(shù)據(jù)格式:YY-MM-DD-dd 接口:SPI 電源電壓:2 V ~ 5.5 V 電壓 - 電源，電池:- 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-WDFN 裸露焊盤 供應(yīng)商設(shè)備封裝:8-TDFN EP 包裝:管件 |
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