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MSM58321 PDF预览

MSM58321

更新时间: 2024-02-02 18:46:03
品牌 Logo 应用领域
冲电气 - OKI 时钟
页数 文件大小 规格书
16页 122K
描述
REAL TIME CLOCK/CALENDAR

MSM58321 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:DIP, DIP16,.3
针数:16Reach Compliance Code:unknown
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.39最大时钟频率:0.032 MHz
外部数据总线宽度:4信息访问方法:PARALLEL, MUXED BUS
中断能力:NJESD-30 代码:R-PDIP-T16
JESD-609代码:e0长度:19.1 mm
端子数量:16计时器数量:
最高工作温度:85 °C最低工作温度:-30 °C
封装主体材料:PLASTIC/EPOXY封装代码:DIP
封装等效代码:DIP16,.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 Qualified
座面最大高度:4.55 mm子类别:Timer or RTC
最大供电电压:6 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:OTHER
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 mm
uPs/uCs/外围集成电路类型:TIMER, REAL TIME CLOCKBase Number Matches:1

MSM58321 数据手册

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¡ Semiconductor  
MSM58321  
REAL TIME CLOCK/CALENDAR  
DESCRIPTION  
The MSM 58321 is a metal gate CMOS Real  
Time Clock/Calendar with a battery backup  
function for use in bus-oriented micropro-  
cessor applications.  
The time is read with 4-bit DATA I/O, AD-  
DRESSWRITE,READ,andBUSY;itiswritten  
with 4-bit DATA I/O, ADDRESS WRITE,  
WRITE, and BUSY.  
The4-bitbidirectionalbuslinemethodisused  
for the data I/O circuit; the clock is set, cor-  
rected, or read by accessing the memory.  
FEATURES  
7 Function-Second, Minute, Hour, Day,  
Day-of-Week, Month, Year  
Automatic leap year calender  
12/24 hour format  
Frequency divider 5-poststage reset  
Reference signal output  
32.768 kHz crystal controlled operation  
Single 5V power supply  
Back-up battery operation to VDD = 2.2V  
Low power dissipation  
90 µW max. at VDD = 3V  
2.5 mW max. at VDD = 5V  
16 pin plastic DIP (DIP 16-P-300)  
FUNCTIONAL BLOCK DIAGRAM  
5-poststage (O11~O15  
)
1024 Hz  
RFB  
XT  
1/60 Hz  
1 Hz  
1/3600 Hz  
1
215  
BUSY  
R
OSC  
XT  
R
\DATA BUS  
BUSY  
4
4
3
4
3
4
3
E-F  
N
SWITCH  
W
S1 S10  
MI1 MI10  
STOP  
TEST  
H1 H10  
TEST  
Rp  
1/10 1/6  
SECOND  
1/10 1/6  
MINUTE  
1/12 or 1/24  
HOUR  
1/7  
1 Hz  
D
WEEK  
Rp  
WRITE  
WRIETE  
WRITE  
READ  
S1  
H10  
H1  
W
Rp  
Rp  
S10  
MI1 MI10  
READ  
CS1  
CS2  
DATA BUS  
4
TEST-P  
4
Rp  
Rp  
CS  
4
4
4
D0  
D1  
D2  
D3  
TRI-STATE  
CONTROL  
D1 D10  
MO1 MO10  
Y1  
Y10  
1/12  
1/10 1/10  
YEAR  
1/10 1/3  
DAY  
MONTH  
S1  
0
1
S10  
ADDRESS  
DECODER  
ADDRESS  
LATCH  
WRITE  
MI1  
MI10  
H1  
H10  
W
D1  
D10  
MO1  
MO10  
Y1  
Y10  
D
E-F  
2
D1 D10  
MO1 MO10  
Y1 Y10  
3
4
5
6
Rp = 200 k TYP  
7
8
9
A
B
C
D
E-F  
ADDRESS  
WRITE  
Rp  
7

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