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RF5C15 PDF预览

RF5C15

更新时间: 2024-09-12 22:24:11
品牌 Logo 应用领域
理光 - RICOH 时钟
页数 文件大小 规格书
12页 139K
描述
REAL-TIME CLOCK

RF5C15 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
零件包装代码:SOIC包装说明:SOP, SOP18,.4
针数:18Reach Compliance Code:unknown
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.83其他特性:TIMEKEEPING CURRENT = 15UA; 30 SEC ADJUSTMENT BUILT IN
总线兼容性:8086; Z8000; 68000; 8085; Z80; 6809; 6502; NEC UCOM-43外部数据总线宽度:4
信息访问方法:PARALLEL, DIRECT ADDRESS中断能力:Y
JESD-30 代码:R-PDSO-G18JESD-609代码:e0
湿度敏感等级:1端子数量:18
计时器数量:1最高工作温度:70 °C
最低工作温度:-20 °C最大输出时钟频率:0.016384 MHz
封装主体材料:PLASTIC/EPOXY封装代码:SOP
封装等效代码:SOP18,.4封装形状:RECTANGULAR
封装形式:SMALL OUTLINE峰值回流温度(摄氏度):NOT SPECIFIED
电源:5 V认证状态:Not Qualified
座面最大高度:2.65 mm子类别:Timer or RTC
最大压摆率:0.25 mA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:COMMERCIAL端子面层:Tin/Lead (Sn/Pb)
端子形式:GULL WING端子节距:1.27 mm
端子位置:DUAL最短时间:SECONDS
处于峰值回流温度下的最长时间:NOT SPECIFIED易失性:YES
宽度:7.5 mmuPs/uCs/外围集成电路类型:TIMER, REAL TIME CLOCK
Base Number Matches:1

RF5C15 数据手册

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REAL-TIME CLOCK  
NO. EK-086-9908  
RP/RF/RJ5C15  
OUTLINE  
The RP/RF/RJ5C15 are real-time clocks for microcomputers that can be connected directly to data buses of  
16bit CPUs, such as the 8086, Z8000, and 68000, and of 8bit CPUs, such as the 8085A, Z80, 6809, and 6502. They  
allow setting or reading of the clock with the same procedures as for the Read/Write operation for memory.  
These products have various features including clock, calendar and alarm functions and can be backed up by  
batteries.  
FEATURES  
• Connected directly to CPU enabling fast access. • 4bit bidirectional data bus : D0 - D3  
• 4bit address input : A0 - A3  
• Built-in clock counter (hour, minute, second) and calendar counter (leap year, year, month, day, day-of-the-week)  
• All clock data expressed in BCD codes  
• Backed up by batteries (minimum : 2.0V)  
• Selectable basic clock frequency : 16kHz, 1kHz, 128Hz, 16Hz, 1Hz, 1/60Hz.  
• Outputs alarm signals or timing pulse of 16Hz or 1Hz. • CMOS technology  
• Supply voltage : Single power supply of +5V  
......  
• Packages RP5C15 18pin DIP  
......  
RF5C15 18pin SOP  
......  
RJ5C15 28pin PLCC  
BLOCK DIAGRAM  
16kHz, 1kHz, 128Hz, 16Hz, 1Hz, 1/60Hz  
1Hz, 16Hz  
S2 S3 S4 S5 S6 S7 S8  
OSCIN  
OSC  
1/215  
4
3
4
2
3
4
2
OSCOUT  
T.RESET  
ALARM REGISTER  
RD.WR.  
BANK 1  
ALARM  
ALARM  
RESET  
ALARM  
ALARM  
OUTPUT  
COMPARATOR  
BANK 0. RD. WR.  
CS  
CS  
RD. WR.  
CLOCK  
HOLD  
SECONDS MINUTES  
HOURS  
DAYS  
MONTHS  
1/12  
YEARS  
1/10 1/6 1/10 1/6 1/12 1/24 1/7 1/28-1/31  
1/10 1/10 1/4  
RD  
WR  
S1 S2 S3 S4 S5 S6 S7 S8 S9 SA SB SC  
ADJ  
S0  
4
4
3 4  
3
4
2
3
4
2
4
1
4
4
2
HOLD  
3
CLKOUT  
SO  
CONTROLLER  
ADDRESS  
DECODER  
BUS  
CONTROL  
CLOCK  
SELECT  
CLOCK  
OUTPUT  
SD  
SF  
-SF  
A0 A1 A2 A3  
D0 D1 D2 D3  
1

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