参数资料
型号: DS1746W-120+
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: REAL TIME CLOCK, PDIP32
封装: 0.740 INCH, ROHS COMPLIANT, EDIP-32
文件页数: 16/16页
文件大小: 140K
代理商: DS1746W-120+
DS1746/DS1746P Y2K-Compliant, Nonvolatile Timekeeping RAMs
9 of 16
DC ELECTRICAL CHARACTERISTICS
(VCC = 3.3V 10%, TA = Over the Operating Range.)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
Active Supply Current
Icc
30
mA
2, 3, 10
TTL Standby Current
( CE = VIH)
Icc1
2
mA
2, 3
CMOS Standby Current
( CE
V
CC-0.2V)
Icc2
2
mA
2, 3
Input Leakage Current (any input)
IIL
-1
+1
A
Output Leakage Current
(any output)
IOL
-1
+1
A
Output Logic 1 Voltage
(IOUT = -1.0 mA)
VOH
2.4
1
Output Logic 0 Voltage
(IOUT = +2.1 mA)
VOL
0.4
1
Write Protection Voltage
VPF
2.80
2.97
V
1
Battery Switchover Voltage
VSO
VBAT
or
VPF
V
1, 4
AC CHARACTERISTICS—READ CYCLE (5V)
(VCC = 5.0V 10%, TA = Over the Operating Range.)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
Read Cycle Time
tRC
70
ns
Address Access Time
tAA
70
ns
CE
to DQ Low-Z
tCEL
5
ns
CE
Access Time
tCEA
70
ns
CE
Data Off Time
tCEZ
25
ns
OE to DQ Low-Z
tOEL
5
ns
OE Access Time
tOEA
35
ns
OE Data Off Time
tOEZ
25
ns
Output Hold from Address
tOH
5
ns
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相关代理商/技术参数
参数描述
DS1746W-120+ 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
DS1746W-120IND 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
DS1746W-120IND+ 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
DS1746WP 制造商:DALLAS 制造商全称:Dallas Semiconductor 功能描述:Y2KC Nonvolatile Timekeeping RAM
DS1746WP-120 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