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參數(shù)資料
| 型號(hào)： | DS1747-DS1747P |
| 英文描述： | Y2K-Compliant, Nonvolatile Timekeeping RAMs |
| 中文描述： | 千年蟲的，非易失時(shí)鐘存儲(chǔ)器 |
| 文件頁數(shù)： | 1/18頁 |
| 文件大?。?/td> | 340K |
| 代理商： | DS1747-DS1747P |
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REV: 011204
Note:
Some revisions of this device may incorporate deviations from published specifications known as errata. Multiple revisions of any device
www.maxim-ic.com/errata.
FEATURES
Integrated NV SRAM, Real-Time Clock
(RTC), Crystal, Power-Fail Control Circuit,
and Lithium Energy Source
Clock Registers are Accessed Identically to
the Static RAM. These Registers are Resident
in the Eight Top RAM Locations.
Century Byte Register (Y2K Compliant)
Totally Nonvolatile with Over 10 Years of
Operation in the Absence of Power
BCD-Coded Century, Year, Month, Date,
Day, Hours, Minutes, and Seconds with
Automatic Leap-Year Compensation Valid
Up to the Year 2100
Battery Voltage-Level Indicator Flag
Power-Fail Write Protection Allows for ±10%
V
CC
Power-Supply Tolerance
Lithium Energy Source is Electrically
Disconnected to Retain Freshness Until
Power is Applied for the First Time
DIP Module Only:
Standard JEDEC Byte-Wide 512k x 8 Static
RAM Pinout
PowerCap Module Board Only:
Surface-Mountable Package for Direct
Connection to PowerCap Containing
Battery and Crystal
Replaceable Battery (PowerCap)
Power-On Reset Output
Pin-for-Pin Compatible with Other Densities
of DS174xP Timekeeping RAM
Also Available in Industrial Temperature
Range: -40°C to +85°C
PIN CONFIGURATIONS
GND
17
DS1747/DS1747P
Y2K-Compliant, Nonvolatile Timekeeping RAMs
www.maxim-ic.com
PowerCap is a registered trademark of Dallas Semiconductor.
A17
WE
A13
A8
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A11
OE
A10
CE
DQ7
A18
A16
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Encapsulated DIP
(512k x 8)
A14
A12
A7
A6
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A3
A2
A1
A0
DQ1
DQ2
GND
DQ0
V
CC
A15
DQ5
DQ4
DQ3
DQ6
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19
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Dallas
Semiconductor
DS1747
1
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N.C.
A15
A16
RST
V
CC
WE
OE
CE
DQ7
DQ6
DQ5
DQ4
DQ3
DQ2
DQ1
A17
A14
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A0
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A18
X1
GND
V
BAT
X2
PowerCap Module Board
(Uses DS9034PCX PowerCap)
Dallas
Semiconductor
DS1747P
TOP VIEW
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| DS1747 | Y2K-Compliant, Nonvolatile Timekeeping RAMs |
| DS1747-70 | Y2K-Compliant, Nonvolatile Timekeeping RAMs |
| DS1747-70IND | Y2K-Compliant, Nonvolatile Timekeeping RAMs |
| DS1747P | Y2K-Compliant, Nonvolatile Timekeeping RAMs |
| DS1747P-70 | Y2K-Compliant, Nonvolatile Timekeeping RAMs |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DS1747P | 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:Y2K-Compliant, Nonvolatile Timekeeping RAMs |
| DS1747P/YP/WP | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:PowerCap with Crystal |
| DS1747P-70 | 功能描述:實(shí)時(shí)時(shí)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(shí)間格式:HH:MM:SS RTC 存儲(chǔ)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 |
| DS1747P-70+ | 功能描述:實(shí)時(shí)時(shí)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(shí)間格式:HH:MM:SS RTC 存儲(chǔ)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 |
| DS1747P-70IND | 功能描述:實(shí)時(shí)時(shí)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(shí)間格式:HH:MM:SS RTC 存儲(chǔ)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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