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參數(shù)資料
| 型號： | ISL12058IRTZ |
| 廠商： | Intersil |
| 文件頁數(shù)： | 17/19頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC RTC/CALENDAR I2C-BUS 8-TDFN |
| 標(biāo)準(zhǔn)包裝： | 100 |
| 類型： | 時鐘/日歷 |
| 特點(diǎn)： | 警報器，閏年 |
| 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： | 1.8 V ~ 3.6 V |
| 電壓 - 電源，電池： | 1.4 V ~ 1.8 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 8-TDFN |
| 供應(yīng)商設(shè)備封裝： | 8-TDFN（3x3） |
| 包裝： | 管件 |
7
FN6756.0
June 15, 2009
General Description
The ISL12058 device is a low power real time clock with
clock/calendar, and alarm.
The oscillator uses an external, low-cost 32.768kHz crystal.
The real time clock tracks time with separate registers for
hours, minutes, and seconds. The device has calendar
registers for date, month, year and day of the week. The
calendar is accurate through 2099, with automatic leap year
correction.
The ISL12058's flexible alarm can be set to any
clock/calendar value for a match. For example, every
minute, every Tuesday or at 5:23 AM on March 21. The
alarm status is available by checking the Status Register, or
the device can be configured to provide a hardware interrupt
via the IRQ/FOUT pin.
Pin Descriptions
X1, X2
The X1 and X2 pins are the input and output, respectively, of
an inverting amplifier. An external 32.768kHz quartz crystal
is used with the ISL12058 to supply a timebase for the real
time clock. Refer to Figure 6.
The device can also be driven directly from a 32.768kHz
square wave source with peak to peak voltage from 0V to
VDD at X1 pin with X2 pin floating.
Typical Performance Curves Temperature is +25°C unless otherwise specified
FIGURE 2. IDD1 vs VDD
FIGURE 3. IDD1 vs TEMPERATURE
FIGURE 4. IDD vs VDD vs FOUT
FIGURE 5. FOUT vs VDD WITH A TYPICAL 32.768kHZ CRYSTAL
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
1.41.9
2.42.9
3.4
VDD (V)
I DD
1(A)
0.2
0.4
0.6
0.8
1.0
-40
-20
0
204060
80
TEMPERATURE (°C)
3.0
1.8
1.4
3.6
I DD
1(
A
)
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
1.1
1.2
1.4
1.9
2.4
2.9
3.4
I DD
(A)
8192Hz
1Hz
32768Hz
4096Hz
VDD (V)
32767.0
32767.2
32767.4
32767.6
32767.8
32768.0
32768.2
32768.4
32768.6
32768.8
32769.0
1.41.9
2.42.9
3.4
VDD (V)
F
OU
T
(H
z)
FIGURE 6. RECOMMENDED CRYSTAL CONNECTION
X1
X2
ISL12058
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ISL12058IRTZ-T | 功能描述:實時時鐘 REAL TIME CLK W/ ALARM & TIMR FUNCTNS RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 總線接口:I2C 日期格式:DW:DM:M:Y 時間格式:HH:MM:SS RTC 存儲容量:64 B 電源電壓-最大:5.5 V 電源電壓-最小:1.8 V 最大工作溫度:+ 85 C 最小工作溫度: 安裝風(fēng)格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube |
| ISL12058IRUZ-T | 功能描述:實時時鐘 REAL TIME CLK W/ ALARM & TIMR FUNCTNS RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 總線接口:I2C 日期格式:DW:DM:M:Y 時間格式:HH:MM:SS RTC 存儲容量:64 B 電源電壓-最大:5.5 V 電源電壓-最小:1.8 V 最大工作溫度:+ 85 C 最小工作溫度: 安裝風(fēng)格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube |
| ISL12058IUZ | 功能描述:實時時鐘 REAL TIME CLK W/ ALARM & TIMR FUNCTNS RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 總線接口:I2C 日期格式:DW:DM:M:Y 時間格式:HH:MM:SS RTC 存儲容量:64 B 電源電壓-最大:5.5 V 電源電壓-最小:1.8 V 最大工作溫度:+ 85 C 最小工作溫度: 安裝風(fēng)格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube |
| ISL12058IUZ-T | 功能描述:實時時鐘 REAL TIME CLK W/ ALARM & TIMR FUNCTNS RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 總線接口:I2C 日期格式:DW:DM:M:Y 時間格式:HH:MM:SS RTC 存儲容量:64 B 電源電壓-最大:5.5 V 電源電壓-最小:1.8 V 最大工作溫度:+ 85 C 最小工作溫度: 安裝風(fēng)格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube |
| ISL12059 | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:Low Cost and Low Power I2C Bus? Real Time Clock/Calendar |
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