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參數資料
| 型號： | DS1647P-120 |
| 廠商： | Maxim Integrated Products |
| 文件頁數： | 1/12頁 |
| 文件大小： | 0K |
| 描述： | IC RAM TIMEKEEP NV 120NS 34-PCM |
| 標準包裝： | 40 |
| 類型： | 時鐘/日歷 |
| 特點： | 閏年，NVSRAM |
| 存儲容量： | 512KB |
| 時間格式： | HH:MM:SS（24 小時） |
| 數據格式： | YY-MM-DD-dd |
| 接口： | 并聯 |
| 電源電壓： | 4.5 V ~ 5.5 V |
| 電壓 - 電源，電池： | 3V |
| 工作溫度： | 0°C ~ 70°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 34-PowerCap? 模塊 |
| 供應商設備封裝： | 34-PowerCap 模塊 |
| 包裝： | 管件 |
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FEATURES
Integrates NV SRAM, Real-Time Clock,
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.
Totally Nonvolatile with Over 10 Years of
Operation in the Absence of Power
BCD Coded Year, Month, Date, Day, Hours,
Minutes, and Seconds with Leap Year
Compensation Valid Through 2099
Power-Fail Write Protection Allows for
±10% VCC Power-Supply Tolerance
DS1647 Only (DIP Module):
Standard JEDEC Byte-Wide 128k x 8 RAM
Pinout
DS1647P Only (PowerCap Module Board):
Surface Mountable Package for Direct
Connection to PowerCap Containing
Battery and Crystal
Replaceable Battery (PowerCap)
Power-Fail Output
Pin-for-Pin Compatible with Other Densities
of DS164XP Timekeeping RAM
PIN CONFIGURATIONS
ORDERING INFORMATION
PART
TEMP
RANGE
PIN-
PACKAGE
TOP
MARK**
DS1647-120+
0°C to
+70°C
32 EDIP
(0.740a)
DS1647+120
DS1647P-120+
0°C to
+70°C
34
PowerCap*
DS1647P+120
+Denotes a lead(Pb)-free/RoHS-compliant package.
*DS9034PCX+ or DS9034I-PCX+ required (must be ordered separately).
**A “+” indicates lead(Pb)-free. The top mark includes a “+” symbol on lead(Pb)-free devices.
DS1647/DS1647P
Nonvolatile Timekeeping RAM
www.maxim-ic.com
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2
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4
5
6
7
8
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31
32-Pin Encapsulated DIP Package
(32 Pin 740)
A14
A7
A5
A4
A3
A2
A1
A0
DQ1
DQ0
VCC
A15
A17
WE
A13
A8
A9
A11
OE
A10
CE
DQ7
DQ5
DQ6
32
30
29
28
27
26
25
24
23
22
21
19
20
A16
A12
A6
A18
DQ2
GND
15
16
18
17
DQ4
DQ3
1
N.C.
2
3
A15
A16
PFO
VCC
WE
OE
CE
DQ7
DQ6
DQ5
DQ4
DQ3
DQ2
DQ1
DQ0
GND
4
5
6
7
8
9
10
11
12
13
14
15
16
17
A17
A14
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
A13
A12
A11
A10
A9
A8
A7
A6
A5
A4
A3
A2
A1
A0
34
A18
X1 GND VBAT X2
34-Pin PowerCap Module Board
(Uses DS9034PCX+ or DS9034I-PCX+ PowerCap)
TOP VIEW
DS1647
DS1647P
19-5596; Rev 10/10
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相關代理商/技術參數 |
參數描述 |
|---|---|
| DS1647P-120+ | 功能描述:實時時鐘 NV Timekeeping 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: 安裝風格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube |
| DS1648 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:TRI-STATE TTL to MOS Multiplexers/Drivers |
| DS1648J | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:2-Input Digital Multiplexer |
| DS1648J/A+ | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:2-Input Digital Multiplexer |
| DS1649 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Hex TRI-STATEE TTL to MOS Drivers |
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