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參數資料
| 型號： | DS1248YP-70 |
| 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： | 1/18頁 |
| 文件大?。?/td> | 398K |
| 代理商： | DS1248YP-70 |
DS1248/DS1248P
1 of 18
REV: 070705
Note: Some revisions of this device may incorporate deviations from published specifications known as errata. Multiple revisions of any device
may be simultaneously available through various sales channels. For information about device errata, click here: www.maxim-ic.com/errata.
FEATURES
Real-Time Clock (RTC) Keeps Track of
Hundredths of Seconds, Minutes, Hours,
Days, Date of the Month, Months, and Years
128k x 8 NV SRAM Directly Replaces
Volatile Static RAM or EEPROM
Embedded Lithium Energy Cell Maintains
Calendar Operation and Retains RAM Data
Watch Function is Transparent to RAM
Operation
Month and Year Determine the Number of
Days in Each Month; Valid Up to 2100
Full 10% Operating Range
Operating Temperature Range: 0°C to +70°C
Over 10 Years of Data Retention in the
Absence of Power
Lithium Energy Source is Electrically
Disconnected to Retain Freshness Until
Power is Applied for the First Time
DIP Module Only
Standard 32-Pin JEDEC Pinout
Underwriters Laboratory (UL) Recognized
Available in Lead-Free Package
PowerCap Module Board Only
Surface Mountable Package for Direct
Connection to PowerCap Containing
Battery and Crystal
Replaceable Battery (PowerCap)
Pin-for-Pin Compatible with DS1244P and
DS1251P
PIN CONFIGURATIONS
PowerCap is a registered trademark of Maxim Integrated Products, Inc.
1024k NV SRAM with Phantom Clock
www.maxim-ic.com
TOP VIEW
Encapsulated DIP
(740-mil Flush)
RST
N.C.
9
13
1
2
3
4
5
6
7
8
10
11
12
14
31
A14
A7
A5
A4
A3
A2
A1
A0
DQ1
DQ0
32
30
29
28
27
26
25
24
23
22
21
19
20
VCC
A15
A16
DS1248
WE
A12
A13
A8
A6
A9
A11
OE
A10
CE
DQ7
DQ6
DQ5
DQ4
DQ2
15
18
DQ3
17
16
GND
1
RST
2
3
A15
A16
N.C.
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
34
DS1248P
32
A14
31
A13
30
A12
A11
29
28
A10
27
A9
26
A8
25
A7
24
A6
23
A5
22
A4
21
A3
20
A2
19
A1
X1
VBAT
GND
X2
18
A0
PowerCap Module Board
(Uses DS9034PCX PowerCap)
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PDF描述 |
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| DS1248W-120 | REAL TIME CLOCK, PDIP32 |
| DS1248WP-120 | REAL TIME CLOCK, DMA34 |
| DS1250ABP-70 | 512K X 8 NON-VOLATILE SRAM MODULE, 70 ns, DMA34 |
| DS1250AB-100 | 512K X 8 NON-VOLATILE SRAM MODULE, 100 ns, DIP32 |
| DS1250Y-100 | 512K X 8 NON-VOLATILE SRAM MODULE, 100 ns, DIP32 |
相關代理商/技術參數 |
參數描述 |
|---|---|
| DS1248YP-70+ | 功能描述:實時時鐘 1024k NV SRAM w/Phantom Clock 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 |
| DS1248YP70IND | 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:1024k NV SRAM with Phantom Clock |
| DS1249AB | 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:2048k Nonvolatile SRAM |
| DS1249AB100 | 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:2048k Nonvolatile SRAM |
| DS1249AB-100 | 功能描述:NVRAM 2048K NV SRAM RoHS:否 制造商:Maxim Integrated 數據總線寬度:8 bit 存儲容量:1024 Kbit 組織:128 K x 8 接口類型:Parallel 訪問時間:70 ns 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 工作電流:85 mA 最大工作溫度:+ 70 C 最小工作溫度:0 C 封裝 / 箱體:EDIP 封裝:Tube |
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