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MC14527B PDF预览

MC14527B

更新时间: 2024-11-04 04:59:27
品牌 Logo 应用领域
摩托罗拉 - MOTOROLA /
页数 文件大小 规格书
8页 249K
描述
BCD Rate Multiplier

MC14527B 数据手册

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SEMICONDUCTOR TECHNICAL DATA  
The MC14527B BCD rate multiplier (DRM) provides an output pulse rate  
based upon the BCD input number. For example, if 6 is the BCD input  
number, there will be six output pulses for every ten input pulses. This part  
may be used for arithmetic operations including multiplication and division.  
Typical applications include digital filters, motor speed control and frequency  
synthesizers.  
L SUFFIX  
CERAMIC  
CASE 620  
Supply Voltage Range = 3.0 Vdc to 18 Vdc  
Output Clocked on the Negative Going Edge of Clock  
Strobe for Inhibiting or Enabling Outputs  
Enable and Cascade Inputs for Cascade Operation of Two or More  
DRMs  
“9” Output for the Parallel Enable Configuration and DRMs in Cascade  
Complementary Outputs  
Clear and Set to Nine Inputs  
P SUFFIX  
PLASTIC  
CASE 648  
DW SUFFIX  
SOIC  
CASE 751G  
ORDERING INFORMATION  
MAXIMUM RATINGS* (Voltages Referenced to V  
)
SS  
MC14XXXBCP  
MC14XXXBCL  
MC14XXXBDW  
Plastic  
Ceramic  
SOIC  
Symbol  
Parameter  
DC Supply Voltage  
Value  
Unit  
V
V
DD  
– 0.5 to + 18.0  
V , V  
Input or Output Voltage (DC or Transient)  
– 0.5 to V  
DD  
+ 0.5  
V
in out  
I , I  
T
A
= – 55° to 125°C for all packages.  
Input or Output Current (DC or Transient),  
per Pin  
± 10  
mA  
in out  
P
Power Dissipation, per Package†  
Storage Temperature  
500  
mW  
C
D
BLOCK DIAGRAM  
T
stg  
– 65 to + 150  
260  
4
T
Lead Temperature (8–Second Soldering)  
C
L
S
* Maximum Ratings are those values beyond which damage to the device may occur.  
Temperature Derating:  
12  
7
6
5
E
CASC  
out  
E
11  
9
in  
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  
RATE INPUT  
MULTIPLIER  
CLOCK  
OUT  
OUT  
“9”  
10  
14  
ST  
A
TRUTH TABLE (X = Don’t Care, *D = Most Significant Bit)  
Output  
B
15  
2
Logic Level  
C
Number of Pulses  
Inputs  
3
No. of  
Clock  
Pulses  
D
1
CLEAR  
D*  
C
B
A
E
Strobe  
Cascade Clear  
Set  
Out  
Out  
E
“9”  
in  
out  
1
13  
0
0
0
0
0
0
0
1
10  
10  
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
V
= PIN 16  
V = PIN 8  
SS  
0
1
DD  
0
0
0
0
0
0
0
1
1
1
1
1
0
0
1
0
1
0
1
0
10  
10  
10  
10  
10  
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
3
4
5
6
2
3
4
5
6
1
1
1
1
1
1
1
1
1
1
0
1
1
1
1
1
0
0
0
0
1
0
0
1
1
1
0
1
0
1
10  
10  
10  
10  
10  
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
7
8
9
8
9
7
8
9
8
9
1
1
1
1
1
1
1
1
1
1
1
1
1
1
X
1
1
1
1
X
0
0
1
1
X
0
1
0
1
X
10  
10  
10  
10  
10  
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
8
9
8
9
1
1
1
1
1
1
8
8
1
9
9
1
X
X
1
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
10  
10  
10  
10  
10  
0
0
0
0
0
1
0
0
0
0
0
1
0
0
0
0
0
1
1
0
0
0
0
0
1
0
1
1
0
1
1
1
1
0
1
1
0
0
1
10  
0
10  
1
0
X
0
1
REV 3  
1/94  
Motorola, Inc. 1995  

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