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參數(shù)資料
| 型號： | DS1743-100IND+ |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 15/17頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC RTC RAM Y2K 5V 100NS 28-EDIP |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 12 |
| 類型： | 時鐘/日歷 |
| 特點： | 閏年，NVSRAM，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： | -40°C ~ 85°C |
| 安裝類型： | 通孔 |
| 封裝/外殼： | 28-DIP 模塊（0.600"，15.24mm） |
| 供應(yīng)商設(shè)備封裝： | 28-EDIP |
| 包裝： | 管件 |
DS1743/DS1743P Y2K-Compliant, Nonvolatile Timekeeping RAMs
7 of 17
Table 2. Register Map
ADDRESS
DATA
FUNCTION
RANGE
B7
B6
B5
B4
B3
B2
B1
B0
1FFF
10 Year
Year
00–99
1FFE
X
10
Month
01–12
1FFD
X
10 Date
Date
01–31
1FFC
BF
FT
X
Day
01–07
1FFB
X
10 Hour
Hour
00–23
1FFA
X
10 Minutes
Minutes
00–59
1FF9
OSC
10 Seconds
Seconds
00–59
1FF8
W
R
10 Century
Century
Control
00–39
OSC
= STOP BIT
R = READ BIT
FT = FREQUENCY TEST
W = WRITE BIT
X = SEE NOTE BELOW
BF = BATTERY FLAG
Note: All indicated “X” bits must be set to “0” when written to ensure proper clock operation.
RETRIEVING DATA FROM RAM OR CLOCK
The DS1743 is in the read mode whenever OE (output enable) is low, WE (write enable) is high, and CE
(chip enable) is low. The device architecture allows ripple-through access to any of the address locations in
the NV SRAM. Valid data will be available at the DQ pins within tAA after the last address input is stable,
providing that the, CE and OE access times and states are satisfied. If CE, or OE access times and states
are not met, valid data will be available at the latter of chip enable access (tCEA) or at output enable access
time (tCEA). The state of the data input/output pins (DQ) is controlled by CE and OE. If the outputs are
activated before tAA, the data lines are driven to an intermediate state until tAA. If the address inputs are
changed while CE and OE remain valid, output data will remain valid for output data hold time (tOH) but
will then go indeterminate until the next address access.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DS1743-100IND+ | 功能描述:實時時鐘 Timekeeping NV RAM 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 |
| DS1743-70 | 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(fēng)格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube |
| DS1743-70+ | 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(fēng)格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube |
| DS1743-85 | 制造商:Maxim Integrated Products 功能描述:REAL TIME CLOCK PARALLEL 8KBYTE 28PIN EDIP - Bulk |
| DS1743-85+ | 功能描述:實時時鐘 Timekeeping NV RAM 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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