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參數(shù)資料
| 型號： | ISL12022MAIBZ |
| 廠商： | Intersil |
| 文件頁數(shù)： | 22/31頁 |
| 文件大小： | 0K |
| 描述： | IC RTC/CALENDAR TEMP SNSR 20SOIC |
| 產(chǎn)品培訓(xùn)模塊： | Solutions for Industrial Control Applications |
| 標(biāo)準(zhǔn)包裝： | 38 |
| 類型： | 時鐘/日歷 |
| 特點(diǎn)： | 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-SOIC（0.295"，7.50mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 20-SOIC |
| 包裝： | 管件 |
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ISL12022MA
29
Intersil products are manufactured, assembled and tested utilizing ISO9000 quality systems as noted
in the quality certifications found at www.intersil.com/design/quality
Intersil products are sold by description only. Intersil Corporation reserves the right to make changes in circuit design, software and/or specifications at any time
without notice. Accordingly, the reader is cautioned to verify that data sheets are current before placing orders. Information furnished by Intersil is believed to be
accurate and reliable. However, no responsibility is assumed by Intersil or its subsidiaries for its use; nor for any infringements of patents or other rights of third
parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Intersil or its subsidiaries.
For information regarding Intersil Corporation and its products, see www.intersil.com
FN7575.5
September 5, 2012
For additional products, see www.intersil.com/product_tree
The Enable bit (DSTE) is in the Month forward register, so the BCD
value for that register is altered with the additional bit. The Week
and Day values along with Week/Day vs Date select bit is in the
Week/Day register, so that value is also not straight BCD. Hour and
Month are normal BCD, but the Hour doesn’t use the MIL bit since
Military time PM values are already discretely different from
AM/PM time PM values. The DST reverse setting utilizes the option
to select the last week of the month for October, which could have
4 or 5 weeks but needs to have the time change on the last
Sunday.
Note that the DSTADJ bit in the status register monitors whether
the DST forward adjustment has happened. When it is “1”, DST
forward has taken place. When it is “0”, then either DST reverse
has happened, or it has been reset either by initial power-up or if
the DSTE bit has been set to “0”.
Device Handling Precautions
The ISL12022MA contains a quartz crystal and requires special
handling during PC board assembly. Excessive shock and vibrations
should be avoided, especially with automated handling equipment
(see “Absolute Maximum Ratings” on page 6 for shock and
vibration). Avoid dropping onto hard surfaces, placing rubber floor
mats in assembly areas will greatly reduce the risk of damage.
PCB panel routing should be monitored to avoid generating
vibrations at harmonics of the crystal frequency (32kHz). If
possible, router speed should be adjusted to mitigate this risk.
Ultrasound cleaning is not advisable as it subjects the crystal to
resonance and possible failure. Units subject to shock, vibration or
ultrasound may sustain crystal failures in one of many modes, all
of which will affect oscillator frequency accuracy or cause
oscillator failure.
pertains to solder reflow effects on oscillator accuracy. Note that
overheating the package, in excess of +260° for >30 sec, will cause
damage to the crystal seal and compromise oscillator accuracy.
TABLE 28. DST EXAMPLE
VARIABLE
VALUE
REGISTER
VALUE
Month Forward and DST
Enable
April
15h
84h
Week and Day Forward and
select Day/Week, not Date
1st Week and
Sunday
16h
48h
Date Forward
Not used
17h
00h
Hour Forward
2am
18h
02h
Month Reverse
October
19h
10h
Week and Day Reverse and
select Day/Week, not Date
Last Week and
Sunday
1Ah
78h
Date Reverse
Not used
1Bh
00h
Hour Reverse
2am
1Ch
02h
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| ISL12022MAIBZ-T | 功能描述:實(shí)時時鐘 REAL TIME CLK ENHANC CD ESD & MOISTURESIS 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 |
| ISL12022M-EVAL | 制造商:Intersil Corporation 功能描述:Low Power RTC with Battery Backed SRAM, Integrated 5ppm Temperature Compensation, and Auto Daylight Saving |
| ISL12022MIBZ | 功能描述:實(shí)時時鐘 REAL TIME CLK & TEMP COMPENSATED CRYSTAL 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 |
| ISL12022MIBZ-EVAL | 功能描述:電源管理IC開發(fā)工具 ISL12022MIBZ-EVAL DEMO BRD 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 |
| ISL12022MIBZR5421 | 功能描述:實(shí)時時鐘 REAL TIME CLK W/MFK IMPROVED ESD AIR 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 |
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