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參數(shù)資料
| 型號： | DS1554WP-150 |
| 英文描述： | 256K NV Y2KC Timekeeping RAM |
| 中文描述： | 256K內(nèi)存時鐘非易失Y2KC |
| 文件頁數(shù)： | 10/21頁 |
| 文件大小： | 284K |
| 代理商： | DS1554WP-150 |
DS1554
10 of 21
POWER-ON DEFAULT STATES
Upon application of power to the device, the following register bits are set to a 0:
WDS=0, BMB0-BMB4=0, RB0-RB1=0, AE=0, ABE=0.
ABSOLUTE MAXIMUM RATINGS*
Voltage on Any Pin Relative to Ground
Operating Temperature
Storage Temperature
Soldering Temperature
-5.0V to +6.0V
0
°
C to 70
°
C
-55
°
C to +125
°
C
260°C for 10 seconds (See Note 8)
* This is a stress rating only and functional operation of the device at these or any other conditions above
those indicated in the operation sections of this specification is not implied. Exposure to absolute
maximum rating conditions for extended periods of time may affect reliability.
RECOMMENDED DC OPERATING CONDITIONS
PARAMETER
Logic 1 Voltage All Inputs
V
CC
= 5V
±
10%
V
CC
= 3.3V
±
10%
Logic 0 Voltage All Inputs
V
CC
= 5V
±
10%
V
CC
= 3.3V
±
10%
(0
°
C to 70
°
C)
UNITS
SYMBOL
MIN
TYP
MAX
NOTES
V
IH
V
IH
2.2
2.0
V
CC
+0.3V
V
CC
+0.3V
V
V
1
1
V
IL
V
IL
-0.3
-0.3
0.8
0.6
1
1
DC ELECTRICAL CHARACTERISTICS
PARAMETER
Active Supply Current
(0
°
C to 70
°
C; V
CC
= 5.0V
±
=
10%)
TYP
MAX
X
75
X
6
X
4
SYMBOL
I
CC
I
CC1
I
CC2
MIN
UNITS
mA
mA
mA
NOTES
2, 3
2, 3
2, 3
TTL Standby Current (
CE
=V
IH
)
CMOS Standby Current
(
CE
≥
=
V
CC
- 0.2V)
Input Leakage Current (any input)
Output Leakage Current (any
output)
Output Logic 1 Voltage
(I
OUT
= -1.0 mA)
Output Logic 0 Voltage
(I
OUT
= 2.1 mA, DQ0-7 Outputs)
(I
OUT
= 10.0 mA,
IRQ
/FT and
RST
outputs)
Write Protection Voltage
Battery Switch Over Voltage
I
IL
I
OL
-1
-1
+1
+1
μ
A
μ
A
V
OH
2.4
V
1
V
OL1
V
OL2
0.4
0.4
V
V
1
1, 5
V
PF
V
SO
4.25
4.37
V
BAT
4.50
V
V
1
1, 4
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DS1556 | 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:1M, Nonvolatile, Y2K-Compliant Timekeeping RAM |
| DS1556_10 | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:1M, Nonvolatile, Y2K-Compliant Timekeeping RAM |
| DS1556-70 | 功能描述:實時時鐘 1M NV RAM Timekeeper 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(fēng)格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube |
| DS1556-70+ | 功能描述:實時時鐘 1M NV RAM Timekeeper 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(fēng)格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube |
| DS1556-70IND | 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(fēng)格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube |
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