参数资料
型号: DS1747-70+
厂商: MAXIM INTEGRATED PRODUCTS INC
元件分类: XO, clock
英文描述: Y2K-Compliant, Nonvolatile Timekeeping RAMs
中文描述: 0 TIMER(S), REAL TIME CLOCK, PDIP32
封装: 0.740 INCH, ROHS COMPLIANT, EDIP-32
文件页数: 3/16页
文件大小: 207K
代理商: DS1747-70+
DS1747/DS1747P Y2K-Compliant, Nonvolatile Timekeeping RAMs
11 of 16
AC CHARACTERISTICS—WRITE CYCLE (5V)
(VCC = 5.0V 10%, TA = Over the Operating Range.)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
Write Cycle Time
tWC
70
ns
Address Setup Time
tAS
0
ns
WE
Pulse Width
tWEW
50
ns
CE
Pulse Width
tCEW
60
ns
Data Setup Time
tDS
30
ns
Data Hold Time
tDH1
0
ns
8
Data Hold Time
tDH2
0
ns
9
Address Hold Time
tAH1
5
ns
8
Address Hold Time
tAH2
5
ns
9
WE
Data Off Time
tWEZ
25
ns
Write Recovery Time
tWR
5
ns
AC CHARACTERISTICS—WRITE CYCLE (3.3V)
(VCC = 3.3V 10%, TA = Over the Operating Range.)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
Write Cycle Time
tWC
120
ns
Address Setup Time
tAS
0
120
ns
WE
Pulse Width
tWEW
100
ns
CE Pulse Width
tCEW
110
ns
CE
and CE2 Pulse Width
tCEW
110
ns
Data Setup Time
tDS
80
ns
Data Hold Time
tDH1
0
ns
8
Data Hold Time
tDH2
0
ns
9
Address Hold Time
tAH1
0
ns
8
Address Hold Time
tAH2
10
ns
9
WE
Data Off Time
tWEZ
40
ns
Write Recovery Time
tWR
10
ns
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相关代理商/技术参数
参数描述
DS1747-70+ 功能描述:实时时钟 Timekeeping NV RAM 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
DS1747-70IND 功能描述:实时时钟 Timekeeping NV RAM 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
DS1747-70IND+ 功能描述:实时时钟 Timekeeping NV RAM 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
DS1747-70IND-W 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
DS1747-DS1747P 制造商:DALLAS 制造商全称:Dallas Semiconductor 功能描述:Y2K-Compliant, Nonvolatile Timekeeping RAMs