参数资料
型号: DS1251Y
厂商: Maxim Integrated Products, Inc.
英文描述: 4096K NV SRAM with Phantom Clock(带幻影时钟的4096K NV 静态RAM)
中文描述: 4096K非易失SRAM与幻影时钟(带幻影时钟的4096K非易失静态RAM)的
文件页数: 5/12页
文件大小: 90K
代理商: DS1251Y
DS1251Y
022798 5/12
ABSOLUTE MAXIMUM RATINGS*
Voltage on Any Pin Relative to Ground
Operating Temperature
Storage Temperature
Soldering Temperature
–0.3V to +7.0V
0
°
C to 70
°
C
–40
°
C to +70
°
C
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
V
CC
4.5
5.0
5.5
V
Input Logic 1
V
IH
2.2
V
CC
+0.3
V
Input Logic 0
V
IL
–0.3
+0.8
V
DC ELECTRICAL CHARACTERISTICS
(0
°
C to 70
°
C; V
CC
= 5V
±
10%)
MAX
UNITS
PARAMETER
SYMBOL
MIN
TYP
NOTES
Input Leakage Current
I
IL
–1.0
+1.0
μ
A
12
I/O Leakage Current
CE
V
IH
V
CC
I
IO
–1.0
+1.0
μ
A
Output Current @ 2.4 volts
I
OH
–1.0
mA
Output Current @ 0.4 volts
I
OL
2.0
mA
Standby Current CE = 2.2 volts
I
CCS1
5.0
10
mA
Standby Current CE =
V
CC
– 0.5 volts
I
CCS2
3.0
5.0
mA
Operating Current t
CYC
= 200 ns
I
CC01
85
mA
Write Protection Voltage
V
TP
4.25
4.5
V
DC TEST CONDITIONS
Outputs are open; all voltages are referenced to ground.
CAPACITANCE
(t
A
= 25
°
C)
NOTES
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
Input Capacitance
C
IN
5
10
pF
Input/Output Capacitance
C
I/O
5
10
pF
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相关代理商/技术参数
参数描述
DS1251Y-120 制造商:DALLAS 制造商全称:Dallas Semiconductor 功能描述:4096K NV SRAM with Phantom Clock
DS1251Y-150 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述:
DS1251Y-70 功能描述:实时时钟 4096K 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
DS1251Y-70+ 功能描述:实时时钟 4096K 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
DS1251YP 制造商:DALLAS 制造商全称:Dallas Semiconductor 功能描述:4096k NV SRAM with Phantom Clock