參數(shù)資料
型號: DS1251YP-70
廠商: Maxim Integrated Products
文件頁數(shù): 1/20頁
文件大小: 0K
描述: IC NVSRAM 4MBIT 70NS 34PCM
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標準包裝: 40
類型: Phantom 計時芯片
特點: 閏年,NVSRAM
存儲容量: 512KB
時間格式: HH:MM:SS:hh(12/24 小時)
數(shù)據(jù)格式: YY-MM-DD-dd
接口: 并聯(lián)
電源電壓: 4.5 V ~ 5.5 V
電壓 - 電源,電池: 3V
工作溫度: 0°C ~ 70°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
相關(guān)PDF資料
PDF描述
MCP4442T-103E/ST IC DGTL POT 129TAPS 10K 14TSSOP
MS3108E22-24P CONN PLUG 6POS RT ANG W/PINS
VI-BNK-IU-F4 CONVERTER MOD DC/DC 40V 200W
MS27472E24F35P CONN RCPT 128POS WALL MNT W/PINS
DS1747W-120 IC RTC RAM Y2K 3.3V 120NS 32EDIP
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
DS1251YP-70+ 功能描述:實時時鐘 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
DS1251YP-70IND 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
DS1251YP-70IND+ 功能描述:實時時鐘 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
DS125222K 制造商:Ametherm Inc 功能描述:
DS1254 制造商:未知廠家 制造商全稱:未知廠家 功能描述:2M x 8 NV SRAM with Phantom Clock