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MKI41T56N00 PDF预览

MKI41T56N00

更新时间: 2024-11-05 22:17:31
品牌 Logo 应用领域
意法半导体 - STMICROELECTRONICS 静态存储器
页数 文件大小 规格书
15页 104K
描述
512 bit 64b x8 Serial Access TIMEKEEPER SRAM

MKI41T56N00 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
零件包装代码:DIP包装说明:0.40 MM LEAD FRAME, SKINNY, PLASTIC, DIP-8
针数:8Reach Compliance Code:not_compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.88总线兼容性:I2C
最大时钟频率:0.032 MHz信息访问方法:I2C
中断能力:NJESD-30 代码:R-PDIP-T8
JESD-609代码:e0长度:9.55 mm
端子数量:8计时器数量:
片上数据RAM宽度:8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封装等效代码:DIP8,.3
封装形状:RECTANGULAR封装形式:IN-LINE
峰值回流温度(摄氏度):NOT SPECIFIED电源:5 V
认证状态:Not QualifiedRAM(字数):56
座面最大高度:4.8 mm子类别:Timer or RTC
最大压摆率:1 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:NO技术:CMOS
温度等级:INDUSTRIAL端子面层:Tin/Lead (Sn/Pb)
端子形式:THROUGH-HOLE端子节距:2.54 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:7.62 mmuPs/uCs/外围集成电路类型:TIMER, REAL TIME CLOCK
Base Number Matches:1

MKI41T56N00 数据手册

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MK41T56  
MKI41T56  
®
512 bit (64b x8) Serial Access TIMEKEEPER SRAM  
COUNTERS for SECONDS, MINUTES,  
HOURS, DAY, DATE, MONTH and YEARS  
SOFTWARE CLOCK CALIBRATION  
AUTOMATIC POWER-FAIL DETECT and  
SWITCH CIRCUITRY  
I2C BUS COMPATIBLE  
8
8
56 BYTES of GENERAL PURPOSE RAM  
ULTRA-LOW BATTERY SUPPLY CURRENT of  
500nA  
1
1
OPERATING TEMPERATURE:  
– MK41T56: 0 to 70°C  
PSDIP8 (N)  
0.4mm Frame  
SO8 (S)  
150mil Width  
– MKI41T56: –40 to 85°C  
AUTOMATIC LEAP YEAR COMPENSATION  
DESCRIPTION  
Figure 1. Logic Diagram  
The MK41T56 TIMEKEEPER® is a low power 512  
bit static CMOS RAM organized as 64 words by 8  
bits. Abuilt-in 32.768 kHzoscillator(external crystal  
controlled) and the first 8 bytes ofthe RAMare used  
for the clock/calendar function and are configured  
in binary coded decimal (BCD) format. Addresses  
and data are transferred serially via a two-line  
bi-directional bus. The built-in address register is  
incremented automatically after each write or read  
data byte. The MK41T56 clock has a built-in power  
sense circuit which detects power failures and  
automatically switches to the battery supply during  
power failures. The energy needed to sustain the  
RAM and clock operations can be supplied from a  
small lithium button cell.  
V
V
BAT  
CC  
OSCO  
OSCI  
SCL  
MK41T56  
MKI41T56  
SDA  
Table 1. Signal Names  
FT/OUT  
OSCI  
Oscillator Input  
OCSO  
Oscillator Output  
Frequency Test / Output Driver  
(Open Drain)  
FT/OUT  
V
SS  
AI02304  
SDA  
SCL  
VBAT  
VCC  
VSS  
Serial Data Address Input / Output  
Serial Clock  
Battery Supply Voltage  
Supply Voltage  
Ground  
March 1999  
1/15  

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