參數(shù)資料
型號(hào): DS1248Y-100IND
廠商: Maxim Integrated Products
文件頁數(shù): 3/19頁
文件大?。?/td> 0K
描述: IC NVSRAM 1MBIT 100NS 32DIP
標(biāo)準(zhǔn)包裝: 11
類型: Phantom 計(jì)時(shí)芯片
特點(diǎn): NVSRAM
存儲(chǔ)容量: 128KB
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: 4.5 V ~ 5.5 V
工作溫度: -40°C ~ 85°C
安裝類型: 通孔
封裝/外殼: 32-DIP 模塊(0.600",15.24mm)
供應(yīng)商設(shè)備封裝: 32-EDIP
包裝: 管件
DS1248/DS1248P 1024K NV SRAM with Phantom Clock
11 of 19
PHANTOM CLOCK AC ELECTRICAL CHARACTERISTICS
Over the Operating Range (5V)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS NOTES
Read Cycle Time
tRC
65
ns
CE
Access Time
tCO
55
ns
OE
Access Time
tOE
55
ns
CE
to Output Low-Z
tCOE
5
ns
OE
to Output Low-Z
tOEE
5
ns
CE
to Output High-Z
tOD
25
ns
5
OE
to Output High-Z
tODO
25
ns
5
Read Recovery
tRR
10
ns
Write Cycle Time
tWC
65
ns
Write Pulse Width
tWP
55
ns
3
Write Recovery
tWR
10
ns
10
Data Setup Time
tDS
30
ns
4
Data Hold Time
tDH
0
ns
4
CE
Pulse Width
tCW
60
ns
RST
Pulse Width
tRST
65
ns
POWER-DOWN/POWER-UP TIMING
Over the Operating Range (3.3V)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS NOTES
CE
at VIH before Power-Down
tPD
0
s
VCC Slew from VPF(max) to
VPF(min)( CE at VPF)
tF
300
s
VCC Slew from VPF(min) to VSO
tFB
10
s
VCC Slew from VPF(max) to
VPF(min)(CE at VPF)
tR
0
s
CE
at VIH after Power-Up
tREC
1.5
2.5
ms
(TA = +25°C)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS NOTES
Expected Data-Retention Time
tDR
10
years
9
Warning: Under no circumstances are negative undershoots of any amplitude allowed when device
is in battery-backup mode.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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:
DS1248Y-70 功能描述:實(shí)時(shí)時(shí)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(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
DS1248Y-70+ 功能描述:實(shí)時(shí)時(shí)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(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
DS1248Y70IND 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:1024k NV SRAM with Phantom Clock