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MC14541BALDS

更新时间： 2024-01-29 20:20:02
品牌 Logo 应用领域
摩托罗拉 - MOTOROLA /
页数 文件大小 规格书
7页 207K
描述
Binary Counter, 4000/14000/40000 Series, Synchronous, Positive Edge Triggered, 16-Bit, Up Direction, CMOS, CDIP14, 632-08

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MC14541BALDS 技术参数

是否Rohs认证： 符合生命周期：Obsolete
零件包装代码：SOIC包装说明：LEAD FREE, EIAJ, SOIC-14
针数：14Reach Compliance Code：unknown
ECCN代码：EAR99HTS代码：8542.39.00.01
Factory Lead Time：1 week风险等级：5.64
Is Samacsys：N最大时钟频率：3 MHz
外部数据总线宽度：JESD-30 代码：R-PDSO-G14
JESD-609代码：e4长度：10.2 mm
端子数量：14计时器数量：1
最高工作温度：125 °C最低工作温度：-55 °C
封装主体材料：PLASTIC/EPOXY封装代码：SOP
封装形状：RECTANGULAR封装形式：SMALL OUTLINE
峰值回流温度（摄氏度）：260认证状态：Not Qualified
座面最大高度：2.05 mm最大供电电压：18 V
最小供电电压：3 V标称供电电压：5 V
表面贴装：YES技术：CMOS
温度等级：MILITARY端子面层：Nickel/Palladium/Gold (Ni/Pd/Au)
端子形式：GULL WING端子节距：1.27 mm
端子位置：DUAL处于峰值回流温度下的最长时间：40
宽度：5.275 mmuPs/uCs/外围集成电路类型：TIMER, PROGRAMMABLE
Base Number Matches：1

MC14541BALDS 数据手册

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SEMICONDUCTOR TECHNICAL DATA  
L SUFFIX  
CERAMIC  
CASE 620  
The MC14541B programmable timer consists of a 16–stage binary  
counter, an integrated oscillator for use with an external capacitor and two  
resistors, an automatic power–on reset circuit, and output control logic.  
Timing is initialized by turning on power, whereupon the power–on reset is  
enabled and initializes the counter, within the specified V  
range. With the  
DD  
P SUFFIX  
PLASTIC  
CASE 648  
power already on, an external reset pulse can be applied. Upon release of  
the initial reset command, the oscillator will oscillate with a frequency  
determined by the external RC network. The 16–stage counter divides the  
th  
) with the n stage frequency being f  
osc  
n
/2 .  
oscillator frequency (f  
osc  
8
10 13  
16  
•
•
•
Available Outputs 2 , 2 , 2 or 2  
D SUFFIX  
SOIC  
CASE 751B  
Increments on Positive Edge Clock Transitions  
Built–in Low Power RC Oscillator (± 2% accuracy over temperature  
range and ± 20% supply and ± 3% over processing at < 10 kHz)  
Oscillator May Be Bypassed if External Clock Is Available (Apply  
external clock to Pin 3)  
External Master Reset Totally Independent of Automatic Reset  
Operation  
ORDERING INFORMATION  
•
•
MC14XXXBCP  
MC14XXXBCL  
MC14XXXBD  
Plastic  
Ceramic  
SOIC  
n
T
A
= – 55° to 125°C for all packages.  
•
•
•
Operates as 2 Frequency Divider or Single Transition Timer  
Q/Q Select Provides Output Logic Level Flexibility  
Reset (auto or master) Disables Oscillator During Resetting to Provide  
No Active Power Dissipation  
Clock Conditioning Circuit Permits Operation with Very Slow Clock Rise  
and Fall Times  
PIN ASSIGNMENT  
•
R
C
1
2
3
4
14  
13  
12  
11  
V
B
A
tc  
DD  
•
•
Automatic Reset Initializes All Counters On Power Up  
Supply Voltage Range = 3.0 Vdc to 18 Vdc with Auto Reset  
tc  
R
S
Disabled (Pin 5 = V  
DD  
)
NC  
NC  
= 8.5 Vdc to 18 Vdc with Auto Reset  
Enabled (Pin 5 = V  
)
AR  
5
6
10  
9
MODE  
SS  
MR  
Q/Q SEL  
MAXIMUM RATINGS* (Voltages Referenced to V  
)
SS  
V
7
8
Q
SS  
Symbol  
Parameter  
DC Supply Voltage  
Value  
Unit  
V
NC = NO CONNECTION  
V
DD  
– 0.5 to + 18.0  
V , V  
Input or Output Voltage (DC or Transient)  
Input Current (DC or Transient), per Pin  
Output Current (DC or Transient), per Pin  
Power Dissipation, per Package†  
Storage Temperature  
– 0.5 to V  
DD  
+ 0.5  
V
in out  
I
in  
± 10  
mA  
mA  
mW  
C
I
± 45  
out  
P
D
500  
T
stg  
– 65 to + 150  
260  
T
L
Lead Temperature (8–Second Soldering)  
C
* Maximum Ratings are those values beyond which damage to the device may occur.  
†Temperature Derating:  
Plastic “P and D/DW” Packages: – 7.0 mW/ C From 65 C To 125 C  
Ceramic “L” Packages: – 12 mW/ C From 100 C To 125 C  
REV 3  
1/94  
Motorola, Inc. 1995  
1234567

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