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DS1558Y PDF预览

DS1558Y

更新时间: 2024-09-28 04:15:07
品牌 Logo 应用领域
美信 - MAXIM 控制器时钟
页数 文件大小 规格书
18页 321K
描述
Watchdog Clock with NV RAM Control

DS1558Y 技术参数

是否无铅: 含铅是否Rohs认证: 不符合
生命周期:Obsolete零件包装代码:QFP
包装说明:7 X 7 MM, 1 MM HEIGHT, TQFP-48针数:48
Reach Compliance Code:not_compliantECCN代码:EAR99
HTS代码:8473.30.11.80风险等级:5.19
最大时钟频率:0.032 MHz外部数据总线宽度:8
信息访问方法:PARALLEL, DIRECT ADDRESS中断能力:Y
JESD-30 代码:S-PQFP-G48JESD-609代码:e0
长度:7 mm端子数量:48
计时器数量:最高工作温度:85 °C
最低工作温度:-40 °C封装主体材料:PLASTIC/EPOXY
封装代码:TFQFP封装等效代码:TQFP48,.35SQ
封装形状:SQUARE封装形式:FLATPACK, THIN PROFILE, FINE PITCH
峰值回流温度(摄氏度):245电源:5 V
认证状态:Not Qualified座面最大高度:1.2 mm
子类别:Timer or RTC最大供电电压:5.5 V
最小供电电压:4.5 V标称供电电压:5 V
表面贴装:YES技术:CMOS
温度等级:INDUSTRIAL端子面层:Tin/Lead (Sn/Pb)
端子形式:GULL WING端子节距:0.5 mm
端子位置:QUAD最短时间:SECONDS
处于峰值回流温度下的最长时间:NOT SPECIFIED宽度:7 mm
uPs/uCs/外围集成电路类型:TIMER, REAL TIME CLOCKBase Number Matches:1

DS1558Y 数据手册

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DS1558  
Watchdog Clock with NV RAM Control  
www.maxim-ic.com  
FEATURES  
PIN CONFIGURATION  
CꢀIntegrated Real-Time Clock (RTC), Power-  
Fail Control Circuit, and NV RAM Controller  
CꢀClock Registers are Accessed Identically to  
the Static RAM; These Registers are Resident  
in the 16 Top RAM Locations  
TOP VIEW  
1
N.C.  
36  
35  
34  
33  
32  
31  
30  
29  
28  
27  
26  
25  
A15  
VBAT1  
WE  
2
A18  
A16  
A14  
A12  
A7  
3
CꢀCentury Register  
4
IRQ/FT  
A13  
A8  
CꢀGreater than 10 Years of Timekeeping and  
Data Retention in the Absence of Power with  
Small Lithium Coin Cell(s) and Low-Leakage  
SRAM  
5
6
DS1558  
7
A6  
A9  
8
A5  
A11  
9
A4  
OE  
10  
11  
12  
A3  
A10  
CE  
A2  
CꢀPrecision Power-On Reset  
A1  
OER  
CꢀProgrammable Watchdog Timer and RTC  
Alarm  
CꢀBCD-Coded Year, Month, Date, Day, Hours,  
Minutes, and Seconds with Automatic Leap-  
Year Compensation Valid Up to the Year  
2100  
TQFP  
For package information, go to :  
www.maxim-ic.com/DallasPackInfo  
CꢀBattery Voltage-Level Indicator Flag  
CꢀPower-Fail Write Protection Allows for M10%  
V
CC Power-Supply Tolerance  
CꢀUnderwriters Laboratory (UL) Recognized  
ORDERING INFORMATION  
VOLTAGE  
PART  
TEMP RANGE  
PIN-PACKAGE  
TOP MARK*  
(V)  
3.3  
3.3  
3.3  
3.3  
5.0  
5.0  
5.0  
5.0  
DS1558W  
-40°C to +85°C  
-40°C to +85°C  
-40°C to +85°C  
-40°C to +85°C  
-40°C to +85°C  
-40°C to +85°C  
-40°C to +85°C  
-40°C to +85°C  
48 TQFP (7 x 7 x 1mm)  
48 TQFP (7 x 7 x 1mm)  
48 TQFP (7 x 7 x 1mm)  
48 TQFP (7 x 7 x 1mm)  
48 TQFP (7 x 7 x 1mm)  
48 TQFP (7 x 7 x 1mm)  
48 TQFP (7 x 7 x 1mm)  
48 TQFP (7 x 7 x 1mm)  
DS1558D  
DS1558D  
DS1558D  
DS1558D  
DS1558B  
DS1558B  
DS1558B  
DS1558B  
DS1558W+  
DS1558W-TRL  
DS1558W+TRL  
DS1558Y  
DS1558Y+  
DS1558Y-TRL  
DS1558Y+TRL  
+ Denotes a lead-free/RoHS-compliant device.  
* A “+” anywhere on the top mark indicates a lead-free device.  
Note: Some revisions of this device may incorporate deviations from published specifications known as errata. Multiple revisions of any device  
may be simultaneously available through various sales channels. For information about device errata, click here: www.maxim-ic.com/errata..  
1 of 18  
REV: 071305  

DS1558Y 替代型号

型号 品牌 替代类型 描述 数据表
DS1558Y+TRL MAXIM

完全替代

Watchdog Clock with NV RAM Control
DS1558Y+ MAXIM

完全替代

Watchdog Clock with NV RAM Control

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