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参数资料
| 型号： | DS1244Y-120 |
| 英文描述： | 256K NV SRAM with Phantom Clock |
| 中文描述： | 256K非易失SRAM与幻影时钟 |
| 文件页数： | 8/12页 |
| 文件大小： | 100K |
| 代理商： | DS1244Y-120 |
DS1244Y
032697 5/12
ABSOLUTE MAXIMUM RATINGS*
Voltage on Any Pin Relative to Ground
–0.3V to +7.0V
Operating Temperature
0
°C to 70°C
Storage Temperature
–40
°C to +70°C
Soldering Temperature
260
°C for 10 seconds (See Note 13)
* 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
(0
°C to 70°C)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
Power Supply Voltage
VCC
4.5
5.0
5.5
V
Input Logic 1
VIH
2.2
VCC+0.3
V
Input Logic 0
VIL
0.3
0.8
V
DC ELECTRICAL CHARACTERISTICS
(0
°C to 70°C; VCC = 5V ± 10%)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
Input Leakage Current
IIL
–1.0
+1.0
A
12
I/O Leakage Current
CE
VIH VCC
IIO
–1.0
+1.0
A
Output Current @ 2.4V
IOH
–1.0
mA
Output Current @ 0.4V
IOL
2.0
mA
Standby Current CE = 2.2V
ICCS1
5.0
10
mA
Standby Current CE = VCC – 0.5V
ICCS2
3.0
5.0
mA
Operating Current tCYC = 200 ns
ICC01
85
mA
DC TEST CONDITIONS
Outputs are open; all voltages are referenced to ground.
CAPACITANCE
(tA = 25°C)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
Input Capacitance
CIN
5
10
pF
Input/Output Capacitance
CI/O
5
10
pF
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DS1244Y-150 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| DS1244Y-200 | 制造商:DALLAS 制造商全称:Dallas Semiconductor 功能描述:256K NV SRAM with Phantom Clock |
| DS1244Y-70 | 功能描述:实时时钟 RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 总线接口:I2C 日期格式:DW:DM:M:Y 时间格式:HH:MM:SS RTC 存储容量:64 B 电源电压-最大:5.5 V 电源电压-最小:1.8 V 最大工作温度:+ 85 C 最小工作温度: 安装风格:Through Hole 封装 / 箱体:PDIP-8 封装:Tube |
| DS1244Y-70+ | 功能描述:实时时钟 256k NV SRAM w/Phantom Clock RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 总线接口:I2C 日期格式:DW:DM:M:Y 时间格式:HH:MM:SS RTC 存储容量:64 B 电源电压-最大:5.5 V 电源电压-最小:1.8 V 最大工作温度:+ 85 C 最小工作温度: 安装风格:Through Hole 封装 / 箱体:PDIP-8 封装:Tube |
| DS1244YP/WP | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:PowerCap with Crystal |
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