參數(shù)資料
型號(hào): DS1251WP-120IND
廠商: Maxim Integrated Products
文件頁(yè)數(shù): 1/20頁(yè)
文件大?。?/td> 0K
描述: IC NVSRAM 4MBIT 120NS 34PCM
標(biāo)準(zhǔn)包裝: 40
類型: Phantom 計(jì)時(shí)芯片
特點(diǎn): 閏年,NVSRAM
存儲(chǔ)容量: 512KB
時(shí)間格式: HH:MM:SS:hh(12/24 小時(shí))
數(shù)據(jù)格式: YY-MM-DD-dd
接口: 并聯(lián)
電源電壓: 2.97 V ~ 3.63 V
電壓 - 電源,電池: 3V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 34-PowerCap? 模塊
供應(yīng)商設(shè)備封裝: 34-PowerCap 模塊
包裝: 管件
1 of 20
FEATURES
Real-Time Clock Keeps Track of Hundredths
Of Seconds, Minutes, Hours, Days, Date of
the Month, Months, and Years
512K 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
Automatic Leap Year Compensation Valid
Up to 2100
Over 10 Years of Data Retention in the
Absence of Power
Full 10% Operating Range
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
– Upward Compatible with the DS1248
PowerCap Module Board Only
Surface Mountable Package for Direct
Connection to PowerCap Containing
Battery and Crystal
Replaceable Battery (PowerCap)
Pin-for-Pin Compatible with Other
Densities of DS124xP Phantom Clocks
Underwriters Laboratories (UL) Recognized
PIN CONFIGURATIONS
13
1
2
3
4
5
6
7
8
9
10
11
12
14
31
Encapsulated Package
740-Mil Flush
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/RST
DQ2
GND
15
16
18
17
DQ4
DQ3
DS1251
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
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
PowerCap Module Board
(Uses DS9034PCX+ PowerCap)
DS1251P
TOP VIEW
DS1251/DS1251P
4096K NV SRAM with Phantom Clock
19-6079; Rev 11/11
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
DS1251WP-120IND+ 功能描述:實(shí)時(shí)時(shí)鐘 4096K 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(shí)間格式:HH:MM:SS RTC 存儲(chǔ)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
DS1251WP-C01 功能描述:實(shí)時(shí)時(shí)鐘 4096K 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(shí)間格式:HH:MM:SS RTC 存儲(chǔ)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
DS1251WP-C01+ 功能描述:實(shí)時(shí)時(shí)鐘 4096K 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(shí)間格式:HH:MM:SS RTC 存儲(chǔ)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
DS1251WP-C02 功能描述:實(shí)時(shí)時(shí)鐘 4096K 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(shí)間格式:HH:MM:SS RTC 存儲(chǔ)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
DS1251WP-C02+ 功能描述:實(shí)時(shí)時(shí)鐘 4096K 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(shí)間格式:HH:MM:SS RTC 存儲(chǔ)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