參數(shù)資料
型號： DS1558
英文描述： Watchdog Clock with NV RAM Control
中文描述： 看門狗時鐘，帶有NV RAM控制器
文件頁數(shù)： 1/18頁
文件大小： 492K
代理商： DS1558
may be simultaneously available through various sales channels. For information about device errata, click here:
www.maxim-ic.com/errata.
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1 of 18
REV: 082503
Note:
Some revisions of this device may incorporate deviations from published specifications known as errata. Multiple revisions of any device
FEATURES
Integrated real-time clock (RTC), power-fail
control circuit, and NV RAM controller
Clock registers are accessed identically to the
static RAM; these registers are resident in the
16 top RAM locations
Century register
Greater than 10 years of timekeeping and data
retention in the absence of power with small
lithium coin cell(s) and low-leakage SRAM
Precision power-on reset
Programmable watchdog timer and RTC
alarm
BCD-coded year, month, date, day, hours,
minutes, and seconds with automatic leap-
year compensation valid up to the year 2100
Battery voltage-level indicator flag
Power-fail write protection allows for 10%
V
CC
power-supply tolerance
Underwriters Laboratory (UL) recognized
ORDERING INFORMATION
PIN-
PACKAGE
DS1558Y
48 TQFP
DS1558W
48 TQFP
PART
V
CC
(V)
TOP
MARK
DS1558B
DS1558D
5
3.3
PIN CONFIGURATION
Package Dimension Information:
PIN DESCRIPTION
相關(guān)PDF資料
PDF描述
DS1558W Watchdog Clock with NV RAM Control
DS1558Y Watchdog Clock with NV RAM Control
DS1632 PC Power-Fail and Reset Controller
DS1640 Personal Computer Power FET
DS1640C Tools, Tips Soldering
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
DS1558B 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Watchdog Clock with NV RAM Control
DS1558D 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Watchdog Clock with NV RAM Control
DS1558W 功能描述:實時時鐘 RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 總線接口:I2C 日期格式:DW:DM:M:Y 時間格式:HH:MM:SS RTC 存儲容量:64 B 電源電壓-最大:5.5 V 電源電壓-最小:1.8 V 最大工作溫度:+ 85 C 最小工作溫度: 安裝風(fēng)格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube
DS1558W+ 功能描述:實時時鐘 Watchdog Clock w/NV RAM RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 總線接口:I2C 日期格式:DW:DM:M:Y 時間格式:HH:MM:SS RTC 存儲容量:64 B 電源電壓-最大:5.5 V 電源電壓-最小:1.8 V 最大工作溫度:+ 85 C 最小工作溫度: 安裝風(fēng)格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube
DS1558W+TRL 功能描述:實時時鐘 Watchdog Clock w/NV RAM RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 總線接口:I2C 日期格式:DW:DM:M:Y 時間格式:HH:MM:SS RTC 存儲容量:64 B 電源電壓-最大:5.5 V 電源電壓-最小:1.8 V 最大工作溫度:+ 85 C 最小工作溫度: 安裝風(fēng)格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube
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