參數(shù)資料
型號: DS1248WP120IND
英文描述: 1024k NV SRAM with Phantom Clock
中文描述: 1024k非易失SRAM與幻影時鐘
文件頁數(shù): 1/21頁
文件大小: 285K
代理商: DS1248WP120IND
1 of 21
112801
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
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 ASSIGNMENT
DS1248/DS1248P
1024k NV SRAM with Phantom Clock
www.maxim-ic.com
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
RST
A15
A16
NC
V
WE
OE
CE
DQ7
DQ6
DQ5
DQ4
DQ3
DQ2
DQ1
DQ0
GND
NC
A14
A13
A12
A11
A10
A9
A8
A7
A6
A5
A4
A3
A2
A1
A0
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
34
NC
X1
GND V
BAT
X2
34-Pin PowerCap Module Board
(Uses DS9034PCX PowerCap)
RST
A16
13
1
2
3
4
5
6
7
8
9
10
11
12
14
31
30
29
28
27
26
25
24
23
22
21
32-Pin Encapsulated Package
740mil Flush
A14
A12
A7
A6
A5
A4
A3
A2
A1
A0
DQ1
DQ2
GND
DQ0
V
CC
A15
NC
WE
A13
A8
A9
A11
OE
A10
CE
DQ7
DQ5
DQ4
DQ3
DQ6
32
19
20
15
16
18
17
PowerCap is a registered trademark of Dallas Semiconductor.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
DS1248WP-120IND 功能描述:IC NVSRAM 1MBIT 120NS 34PCM RoHS:否 類別:集成電路 (IC) >> 時鐘/計時 - 實時時鐘 系列:- 產(chǎn)品培訓模塊:Obsolescence Mitigation Program 標準包裝:1 系列:- 類型:時鐘/日歷 特點:警報器,閏年,SRAM 存儲容量:- 時間格式:HH:MM:SS(12/24 小時) 數(shù)據(jù)格式:YY-MM-DD-dd 接口:SPI 電源電壓:2 V ~ 5.5 V 電壓 - 電源,電池:- 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-WDFN 裸露焊盤 供應(yīng)商設(shè)備封裝:8-TDFN EP 包裝:管件
DS1248WP-120IND+ 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
DS1248Y-100IND 功能描述:IC NVSRAM 1MBIT 100NS 32DIP RoHS:否 類別:集成電路 (IC) >> 時鐘/計時 - 實時時鐘 系列:- 產(chǎn)品培訓模塊:Obsolescence Mitigation Program 標準包裝:1 系列:- 類型:時鐘/日歷 特點:警報器,閏年,SRAM 存儲容量:- 時間格式:HH:MM:SS(12/24 小時) 數(shù)據(jù)格式:YY-MM-DD-dd 接口:SPI 電源電壓:2 V ~ 5.5 V 電壓 - 電源,電池:- 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-WDFN 裸露焊盤 供應(yīng)商設(shè)備封裝:8-TDFN EP 包裝:管件
DS1248Y-120 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述:
DS1248Y-200 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: