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參數(shù)資料
| 型號： | DS1243Y-150 |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | Timer or RTC |
| 英文描述： | 0 TIMER(S), REAL TIME CLOCK, PDIP28 |
| 封裝： | 0.720 INCH, ENCAPSULATED, DIP-28 |
| 文件頁數(shù)： | 13/13頁 |
| 文件大小： | 245K |
| 代理商： | DS1243Y-150 |
DS1243Y
9 of 13
PHANTOM CLOCK AC ELECTRICAL CHARACTERISTICS
(VCC = 4.5V to 5.5V, TA = 0°C to +70°C.)
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
10
ns
OE
to Output Low-Z
tOEE
10
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
Write Recovery
tWR
20
ns
10
Data Setup Time
tDS
40
ns
11
Data Hold Time
tDH
10
ns
11
CE
Pulse Width
tCW
100
ns
RESET
Pulse Width
tRST
200
ns
CE
High to Power-Fail
tPF
0
ns
POWER-DOWN/POWER-UP TIMING
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
CE
at VIH before Power-Down
tPD
0
s
VCC Slew from 4.5V to 0V ( CE at VIH)
tF
300
s
VCC Slew from 0V to 4.5V ( CE at VIH)
tR
0
s
CE
at VIH after Power-Up
tREC
2
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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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| DS1243Y4120 | 制造商:Maxim Integrated Products 功能描述: |
| DS-1243ZJ | 制造商:Hikvision USA 功能描述:DOME CAMERA PENDANT MOUNT14.3IN X 7.3 X 7.2IN 制造商:HIKVISION 功能描述:DOME CAMERA PENDANT MOUNT 14.3IN X 7.3 X 7.2IN |
| DS1244 | 制造商:BB 制造商全稱:BB 功能描述:Low-Power, 24-Bit ANALOG-TO-DIGITAL CONVERTER |
| DS1244P | 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:256k NV SRAM with Phantom Clock |
| DS1244W-120 | 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 |
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