參數(shù)資料
型號(hào): DS1244WP-120
廠商: Maxim Integrated Products
文件頁(yè)數(shù): 1/20頁(yè)
文件大?。?/td> 0K
描述: IC NVSRAM 256KBIT 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: 32KB
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: 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
相關(guān)產(chǎn)品: DS9034PCI+-ND - IC SRAM NV TIMEKEEPING POWERCAP
DS9034I-PCX+-ND - IC SRAM NV TIMEKEEPING POWERCAP
DS9034PC+-ND - PCM W/O CRYSTAL NV SRAM SNAP-ON
DS9034PCX+-ND - PCM W/CRYSTAL NV SRAM SNAP-ON
DS9034PCI-ND - IC SRAM NV TIMEKEEPING POWERCAP
DS90340I-PCX-ND - IC SRAM NV TIMEKEEPING POWERCAP
DS9034PC-ND - PCM W/O CRYSTAL NV SRAM SNAP-ON
DS9034PCX-ND - PCM W/CRYSTAL NV SRAM SNAP-ON
1 of 20
FEATURES
Real-Time Clock (RTC) Keeps Track of
Hundredths of Seconds, Minutes, Hours,
Days, Date of the Month, Months, and Years
32K 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
Full 10% Operating Range
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 28-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 DS1248P
and DS1251P
Underwriters Laboratories (UL) Recognized
PIN CONFIGURATIONS
EDIP Module
(740 mils)
VCC
WE
A13
A8
A9
A11
OE
A10
CE
DQ7
DQ6
DQ5
DQ3
DQ4
1
2
3
4
5
6
7
8
9
10
11
12
14
13
28
27
26
25
24
23
22
21
20
19
18
17
15
16
A14/RST
A12
A7
A6
A5
A4
A3
A2
A1
A0
DQ0
DQ1
GND
DQ2
3
N.C.
WE
CE
DQ7
DQ6
DQ4
DQ3
DQ1
DQ0
4
6
7
8
10
11
12
14
15
16
N.C.
33
32
31
29
27
25
24
22
21
20
18
A12
A11
A9
A8
A6
A5
A2
A4
A0
1
VCC
28
A1
RST
2
N.C.
OE
DQ5
DQ2
GND
5
9
13
17
A14
30
26
23
19
A13
A10
A7
A3
34
N.C.
X1 GND VBAT X2
PowerCap Module
(Uses DS9034PCX+ PowerCap)
TOP VIEW
DS1244P
DS1244
DS1244/DS1244P
256K NV SRAM with Phantom Clock
www.maxim-ic.com
19-6077; Rev 11/11
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
DS1244WP-120+ 功能描述:實(shí)時(shí)時(shí)鐘 256k 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
DS1244WP-120IND 功能描述:IC NVSRAM 256KBIT 120NS 34PCM RoHS:否 類別:集成電路 (IC) >> 時(shí)鐘/計(jì)時(shí) - 實(shí)時(shí)時(shí)鐘 系列:- 產(chǎn)品培訓(xùn)模塊:Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1 系列:- 類型:時(shí)鐘/日歷 特點(diǎn):警報(bào)器,閏年,SRAM 存儲(chǔ)容量:- 時(shí)間格式:HH:MM:SS(12/24 小時(shí)) 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(pán) 供應(yīng)商設(shè)備封裝:8-TDFN EP 包裝:管件
DS1244WP-120IND+ 功能描述:實(shí)時(shí)時(shí)鐘 256k 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
DS1244Y 制造商:Maxim Integrated Products 功能描述: 制造商:Maxim Integrated Products 功能描述:Real Time Clock, Non-Volatile, 28 Pin, Plastic, DIP
DS1244Y120 制造商:Maxim Integrated Products 功能描述: