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參數資料
| 型號： | DS1642-70 |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | Timer or RTC |
| 英文描述： | REAL TIME CLOCK, PDMA24 |
| 封裝： | EDIP MODULE-24 |
| 文件頁數： | 1/14頁 |
| 文件大?。?/td> | 756K |
| 代理商： | DS1642-70 |
1 of 11
REV: 060706
FEATURES
Integrated NV SRAM, Real-Time Clock,
Crystal, Power-Fail Control Circuit, and
Lithium Energy Source
Standard JEDEC Bytewide 2k x 8 Static
RAM Pinout
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
Access Times of 70ns and 100ns
Quartz Accuracy ±1 Minute a Month at
+25°C, Factory Calibrated
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
UL Recognized
PIN CONFIGURATION
ORDERING INFORMATION
PART
VOLTAGE
RANGE
(V)
TEMP RANGE
PIN-PACKAGE TOP MARK
DS1642-70+
5.0
0°C to +70°C
24 EDIP (0.720a) DS1642+70
DS1642-70
5.0
0°C to +70°C
24 EDIP (0.720a) DS1642-70
DS1642-100+
5.0
0°C to +70°C
24 EDIP (0.720a) DS1642+100
DS1642-100
5.0
0°C to +70°C
24 EDIP (0.720a) DS1642-100
*DS9034-PCX, DS9034I-PCX, DS9034-PCX+ required (must be ordered separately).
A “+" indicates a lead-free product. The top mark will include a “+” symbol on lead-free devices.
DS1642
Nonvolatile Timekeeping RAM
www.maxim-ic.com
VCC
A8
A9
WE
OE
A10
A7
A6
A5
A4
A3
A2
A1
A0
DQ0
DQ1
DQ2
GND
CE
DQ7
DQ6
DQ5
DQ4
DQ3
1
2
3
4
5
6
7
8
9
10
11
12
24
23
22
21
20
19
18
17
16
15
14
13
DS1642
ENCAPSULATED DIP
TOP VIEW
相關PDF資料 |
PDF描述 |
|---|---|
| DS1643-100 | 1 TIMER(S), REAL TIME CLOCK, DMA28 |
| DS1643P-100 | 0 TIMER(S), REAL TIME CLOCK, DMA34 |
| 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 |
相關代理商/技術參數 |
參數描述 |
|---|---|
| DS1642-70+ | 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 |
| DS1642-85 | 制造商:Maxim Integrated Products 功能描述:REAL TIME CLOCK PARALLEL 2KBYTE 24PIN EDIP - Bulk |
| DS1642-85+ | 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 |
| DS-1642ZJ | 制造商:Hikvision USA 功能描述:6" Outdoor Speed Dome Bracket, White, Ceiling Mount Bracket |
| DS1643 | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Nonvolatile Timekeeping RAMs |
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