參數(shù)資料
型號(hào): DS1244WP-120IND+
廠商: Maxim Integrated Products
文件頁(yè)數(shù): 4/20頁(yè)
文件大?。?/td> 0K
描述: IC NVSRAM 256KBIT 120NS 34PCM
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
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: -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
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
DS1244/DS1244P
12 of 20
MEMORY AC ELECTRICAL CHARACTERISTICS
Over the operating range (3.3V)
PARAMETER
SYMBOL
DS1244W-120
UNITS
NOTES
MIN
14B
MAX
Read Cycle Time
tRC
120
ns
Access Time
tACC
120
ns
OE
to Output Valid
tOE
60
ns
CE
to Output Valid
tCO
120
ns
OE
or CE to Output Active
tCOE
5
ns
5
Output High-Z from Deselection
tOD
40
ns
5
Output Hold from Address Change
tOH
5
ns
Write Cycle Time
tWC
120
ns
Write Pulse Width
tWP
90
ns
3
Address Setup Time
tAW
0
ns
Write Recovery Time
tWR
20
ns
10
Output High-Z from WE
tODW
40
ns
5
Output Active from WE
tOEW
5
ns
5
Data Setup Time
tDS
50
ns
4
Data Hold Time from WE
tDH
20
ns
4
PHANTOM CLOCK AC ELECTRICAL CHARACTERISTICS
Over the operating range (3.3V)
15B
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
Read Cycle Time
tRC
120
ns
CE
Access Time
tCO
100
ns
OE
Access Time
tOE
100
ns
CE
to Output Low-Z
tCOE
5
ns
OE
to Output Low-Z
tOEE
5
ns
CE
to Output High-Z
tOD
40
ns
5
OE
to Output High-Z
tODO
40
ns
5
Read Recovery
tRR
20
ns
Write Cycle Time
tWC
120
ns
Write Pulse Width
tWP
100
ns
3
Write Recovery
tWR
20
ns
10
Data Setup Time
tDS
45
ns
4
Data Hold Time
tDH
0
ns
4
CE
Pulse Width
tCW
105
ns
RESET
Pulse Width
tRST
120
ns
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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
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