參數(shù)資料
型號： DS1643P-100
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： Timer or RTC
英文描述： 0 TIMER(S), REAL TIME CLOCK, DMA34
封裝： POWERCAP, MODULE-34
文件頁數(shù)： 1/17頁
文件大?。?/td> 219K
代理商： DS1643P-100
1 of 17
FEATURES
Integrated 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 Reside in the
Eight Top RAM Locations.
Totally Nonvolatile with Over 10 Years of
Operation in the Absence of Power
Access Times of 70ns and 100ns
BCD-Coded Year, Month, Date, Day, Hours,
Minutes, and Seconds with Leap Year
Compensation Valid Up to 2100
Power-Fail Write Protection Allows for ±10%
VCC Power Supply Tolerance
Lithium Energy Source is Electrically
Disconnected to Retain Freshness Until Power
is Applied for the First Time
DS1643 Only (DIP Module)
Standard JEDEC Byte-Wide 8K x 8 RAM
Pinout
UL Recognized
DS1643P 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
VOLTAGE RANGE
(V)
TEMP RANGE
PIN-PACKAGE
TOP MARK
DS1643-70+
5.0
0°C to +70°C
28 EDIP (0.740)
DS1643+70
DS1643-70
5.0
0°C to +70°C
28 EDIP (0.740)
DS1643-70
DS1643-100+
5.0
0°C to +70°C
28 EDIP (0.740)
DS1643+100
DS1643-100
5.0
0°C to +70°C
28 EDIP (0.740)
DS1643-100
DS1643P-70+
5.0
0°C to +70°C
34-PowerCap*
DS1643P+70
DS1643P-70
5.0
0°C to +70°C
34-PowerCap*
DS1643P-70
DS1643P-100+
5.0
0°C to +70°C
34-PowerCap*
DS1643P+100
DS1643P-100
5.0
0°C to +70°C
34-PowerCap*
DS1643P-100
*DS9034-PCX, DS9034I-PCX, DS9034-PCX+ required (must be ordered separately).
+Denotes a lead(Pb)-free/RoHS-compliant packaget. The top mark will include a “+” symbol on lead-free devices.
DS1643/DS1643P
Nonvolatile Timekeeping RAMs
www.maxim-ic.com
13
27
Encapsulated DIP
(700-mil Extended)
A7
A5
A3
A2
A1
A0
DQ0
DQ1
GND
DQ2
VCC
WE
CE2
A8
A9
A11
OE
A10
CE
DQ7
DQ6
DQ5
DQ3
DQ4
1
2
3
4
5
6
7
8
9
10
11
12
14
28
26
25
24
23
22
21
20
19
18
17
15
16
A12
A6
A4
N.C.
DS1643
1
N.C.
2
3
N.C.
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
N.C.
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
N.C.
A12
A11
A10
A9
A8
A7
A6
A5
A4
A3
A2
A1
A0
34
N.C.
X1
GND VBAT
X2
PowerCap Module Board
(Uses DS9034PCX PowerCap)
DS1643P
TOP VIEW
19-5058; Rev 12/09
相關(guān)PDF資料
PDF描述
DS1643P-70 0 TIMER(S), REAL TIME CLOCK, DMA34
DS1643-70 0 TIMER(S), REAL TIME CLOCK, DMA28
DS1644-120 0 TIMER(S), REAL TIME CLOCK, DMA28
DS1644P-120 0 TIMER(S), REAL TIME CLOCK, DMA34
DS1644P 0 TIMER(S), REAL TIME CLOCK, DMA34
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
DS1643P-100+ 功能描述:實(shí)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(fēng)格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube
DS1643P-70 功能描述:實(shí)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
DS1643P-70+ 功能描述:實(shí)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
DS1643P-85 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Nonvolatile Timekeeping RAMs
DS1643P-85+ 功能描述:實(shí)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(fēng)格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube
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