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參數(shù)資料
| 型號： | DS1553-100+ |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 17/20頁 |
| 文件大小： | 0K |
| 描述： | IC RTC RAM Y2K 5V 100NS 28-EDIP |
| 產(chǎn)品培訓模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 12 |
| 類型： | 時鐘/日歷 |
| 特點： | 警報器，閏年，NVSRAM，監(jiān)視計時器，Y2K |
| 存儲容量： | 8KB |
| 時間格式： | HH:MM:SS（24 小時） |
| 數(shù)據(jù)格式： | YY-MM-DD-dd |
| 接口： | 并聯(lián) |
| 電源電壓： | 4.5 V ~ 5.5 V |
| 工作溫度： | 0°C ~ 70°C |
| 安裝類型： | 通孔 |
| 封裝/外殼： | 28-DIP 模塊（0.600"，15.24mm） |
| 供應商設備封裝： | 28-EDIP |
| 包裝： | 管件 |
DS1553 64kB, Nonvolatile, Year-2000-Compliant Timekeeping RAM
6 of 20
CLOCK OPERATIONS
Table 2 and the following paragraphs describe the operation of RTC, alarm, and watchdog functions.
Table 2. Register Map
DATA
ADDRESS
B7
B6
B5
B4
B3
B2
B1
B0
FUNCTION/RANGE
1FFFh
10 Year
Year
00-99
1FFEh
X
10 M
Month
01-12
1FFDh
X
10 Date
Date
01-31
1FFCh
X
FT
X
Day
01-07
1FFBh
X
10 Hour
Hour
00-23
1FFAh
X
10 Minutes
Minutes
00-59
1FF9h
OSC
10 Seconds
Seconds
00-59
1FF8h
W
R
10 Century
Century
Control
00-39
1FF7h
WDS
BMB
4
BMB3 BMB2
BMB
1
BMB
0
RB
1
RB0
Watchdog
1FF6h
AE
Y
ABE
Y
Interrupts
1FF5h
AM4
Y
10 Date
Date
Alarm Date
01-31
1FF4h
AM3
Y
10 Hours
Hours
Alarm Hours
00-23
1FF3h
AM2
10 Minutes
Minutes
Alarm Minutes
00-59
1FF2h
AM1
10 Seconds
Seconds
Alarm Seconds
00-59
1FF1h
Y
Unused
—
1FF0h
WF
AF
0
BLF
0
Flags
—
X = Unused, Read/Writable Under Write and Read Bit Control
AE = Alarm Flag Enable
FT = Frequency Test Bit
Y = Unused, Read/Writable Without Write and Read Bit Control
OSC = Oscillator Start/Stop Bit
ABE = Alarm in Battery-Backup Mode Enable
W = Write Bit
AM1–AM4 = Alarm Mask Bits
R = Read Bit
WF = Watchdog Flag
WDS = Watchdog Steering Bit
AF = Alarm Flag
BMB0–BMB4 = Watchdog Multiplier Bits
0 = 0 Read Only
RB0–RB1 = Watchdog Resolution Bits
BLF = Battery Low Flag
CLOCK OSCILLATOR CONTROL
The clock oscillator may be stopped at any time. To increase the shelf life of the backup lithium battery
source, the oscillator can be turned off to minimize current drain from the battery. The OSC bit is the
MSB of the Seconds register (B7 of 1FF9h). Setting it to 1 stops the oscillator; setting it to 0 starts the
oscillator. The DS1553 is shipped from Dallas Semiconductor with the clock oscillator turned off, with
the OSC bit set to 1.
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| DS1553-100+ | 功能描述:實時時鐘 64kB NV RAM Timekeeper 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: 安裝風格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube |
| DS1553-70 | 功能描述:實時時鐘 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: 安裝風格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube |
| DS1553-70+ | 功能描述:實時時鐘 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: 安裝風格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube |
| DS1553-85+ | 功能描述:實時時鐘 64kB NV RAM Timekeeper 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: 安裝風格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube |
| DS1553P | 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:64kB, Nonvolatile, Year-2000-Compliant Timekeeping RAM |
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