参数资料
型号: DS17487-5IND+
厂商: Maxim Integrated Products
文件页数: 23/31页
文件大小: 0K
描述: IC RTC 5V 4K NV RAM 24-EDIP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 14
类型: 时钟/日历
特点: 警报器,夏令时,闰年,NVSRAM,方波输出
存储容量: 4KB
时间格式: HH:MM:SS(12/24 小时)
数据格式: YY-MM-DD-dd
接口: 并联
电源电压: 4.5 V ~ 5.5 V
电压 - 电源,电池: 2.5 V ~ 3.7 V
工作温度: -40°C ~ 85°C
安装类型: 通孔
封装/外壳: 24-DIP 模块(0.600",15.24mm)
供应商设备封装: 24-EDIP
包装: 管件
DS17285/DS17287/DS17485/DS17487/DS17885/DS17887
Real-Time Clocks
_____________________________________________________________________
3
DC ELECTRICAL CHARACTERISTICS
(VCC = 0V, VBAT = 3.0V, TA = Over the operating range, unless otherwise noted.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
VBAT or VBAUX Current (Oscillator
On); TA = +25°C, VBAT = 3.0V
IBAT
(Note 7)
500
700
nA
VBAT or VBAUX Current
(Oscillator Off)
IBATDR
(Note 7)
50
400
nA
AC ELECTRICAL CHARACTERISTICS
(VCC = +4.5V to +5.5V, TA = Over the operating range, unless otherwise noted.) (Note 2)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Cycle Time
tCYC
240
DC
ns
Pulse Width, RD or WR Low
PWRWL
120
ns
Pulse Width, RD or WR High
PWRWH
80
ns
Input Rise and Fall
tR, tF
30
ns
Chip-Select Setup Time Before
RD or WR
tCS
20
ns
Chip-Select Hold Time
tCH
0ns
Read-Data Hold Time
tDHR
10
50
ns
Write-Data Hold Time
tDHW
0ns
Address Setup Time to ALE Fall
tASL
20
ns
Address Hold Time to ALE Fall
tAHL
10
ns
RD or WR High Setup to ALE
Rise
tASD
25
ns
Pulse Width ALE High
PWASH
40
ns
Delay Time ALE Low to RD Low
tASED
30
ns
Output Data Delay Time from RD
tDDR
(Note 8)
20
120
ns
Data Setup Time
tDSW
30
ns
IRQ Release from RD
tIRD
2s
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DS17487-5IND+ 功能描述:实时时钟 3V/5V RTC 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
DS17487B-3 制造商:DALLAS 制造商全称:Dallas Semiconductor 功能描述:3V/5V Real-Time Clock
DS17487B-5 制造商:DALLAS 制造商全称:Dallas Semiconductor 功能描述:3V/5V Real-Time Clock
DS17487BN-3 制造商:DALLAS 制造商全称:Dallas Semiconductor 功能描述:3V/5V Real-Time Clock
DS17487BN-5 制造商:DALLAS 制造商全称:Dallas Semiconductor 功能描述:3V/5V Real-Time Clock