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UPD4992CX PDF预览

UPD4992CX

更新时间: 2024-09-12 22:52:35
品牌 Logo 应用领域
日电电子 - NEC 计时器或实时时钟微控制器和处理器外围集成电路光电二极管双倍数据速率
页数 文件大小 规格书
16页 102K
描述
8-Bit Parallel I/O Calendar Clock

UPD4992CX 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
包装说明:0.300 INCH, PLASTIC, DIP-20Reach Compliance Code:compliant
风险等级:5.82Is Samacsys:N
最大时钟频率:6.67 MHz外部数据总线宽度:8
信息访问方法:PARALLEL, DIRECT ADDRESSJESD-30 代码:R-PDIP-T20
JESD-609代码:e0端子数量:20
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:DIP封装形状:RECTANGULAR
封装形式:IN-LINE峰值回流温度(摄氏度):NOT SPECIFIED
认证状态:Not Qualified座面最大高度:5.08 mm
最大压摆率:0.006 mA最大供电电压:5.5 V
最小供电电压:2.4 V标称供电电压:5 V
表面贴装:NO技术:CMOS
温度等级:INDUSTRIAL端子面层:TIN LEAD
端子形式:THROUGH-HOLE端子节距:2.54 mm
端子位置:DUAL处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:7.62 mmuPs/uCs/外围集成电路类型:TIMER, REAL TIME CLOCK
Base Number Matches:1

UPD4992CX 数据手册

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PRELIMINARY DATA SHEET  
MOS INTEGRATED CIRCUIT  
µPD4992  
8-Bit Parallel I/O Calendar Clock  
The µPD4992 is a CMOS integrated circuit which outputs 8-bit parallel time and calendar data in a system in which  
a microprocessor is employed. The µPD4992 operates at 32.768 kHz and provides year, month, day of month, day  
of week, hour, minute, and second data to a system. The µPD4992 internally contains a voltage regulator so that  
low power consumption operation and high accuracy are realized even if the supply voltage varies. The µPD4992  
uses the 8-bit bus to facilitate interfacing with a microprocessor.  
FEATURES:  
Internal counter for time (hour, minute, second), and calendar (leap year, year, month, day of month, day of week)  
Super low power consumption (IDD = 2 µA MAX. at VDD = 2.4 V)  
Automatic determination of leap year, manual setting possible  
12 hour/24 hour mode selectable  
8-bit parallel input/output in BCD data format  
12 kinds of interval timer output (can be used as watchdog timer)  
Internal voltage detection circuit for automatic determination of battery run-down  
High accuracy  
ORDERING INFORMATION:  
Order Code  
µPD4992CX  
Package  
20-pin plastic DIP (300 mil)  
20-pin plastic SOP (300 mil)  
µPD4992GS  
µPD4992GS-T1, T2  
20-pin plastic SOP (300 mil)  
Provided on adhesive tape  
µPD4992GS-E2  
20-pin plastic SOP (300 mil)  
Provided on embossed carrier tape  
The inform ation in this docum ent is subject to change w ithout notice.  
Document No. ID-3084 (1st edition)  
(O.D. No. ID-8222)  
Date Published March 1997 P  
Printed in Japan  
1992  
©

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