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MC14532B PDF预览

MC14532B

更新时间: 2024-11-04 04:59:27
品牌 Logo 应用领域
摩托罗拉 - MOTOROLA 编码器
页数 文件大小 规格书
8页 230K
描述
8-BIT PRIORITY ENCODER

MC14532B 数据手册

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SEMICONDUCTOR TECHNICAL DATA  
L SUFFIX  
CERAMIC  
CASE 620  
The MC14532B is constructed with complementary MOS (CMOS)  
enhancement mode devices. The primary function of a priority encoder is to  
provide a binary address for the active input with the highest priority. Eight  
data inputs (D0 thru D7) and an enable input (E are provided. Five outputs  
in)  
are available, three are address outputs (Q0 thru Q2), one group select (GS)  
P SUFFIX  
PLASTIC  
CASE 648  
and one enable output (E ).  
out  
Diode Protection on All Inputs  
Supply Voltage Range = 3.0 Vdc to 18 Vdc  
Capable of Driving Two Low–power TTL Loads or One Low–Power  
Schottky TTL Load over the Rated Temperature Range  
D SUFFIX  
SOIC  
CASE 751B  
MAXIMUM RATINGS* (Voltages Referenced to V  
)
SS  
Symbol  
Parameter  
DC Supply Voltage  
Value  
Unit  
V
ORDERING INFORMATION  
V
DD  
– 0.5 to + 18.0  
MC14XXXBCP  
MC14XXXBCL  
MC14XXXBD  
Plastic  
Ceramic  
SOIC  
V , V  
Input or Output Voltage (DC or Transient)  
– 0.5 to V  
DD  
+ 0.5  
V
in out  
I , I  
Input or Output Current (DC or Transient),  
per Pin  
± 10  
mA  
in out  
T
A
= – 55° to 125°C for all packages.  
P
Power Dissipation, per Package†  
Storage Temperature  
500  
mW  
C
D
T
stg  
– 65 to + 150  
260  
PIN ASSIGNMENT  
T
Lead Temperature (8–Second Soldering)  
C
L
* Maximum Ratings are those values beyond which damage to the device may occur.  
Temperature Derating:  
D4  
D5  
D6  
D7  
1
2
16  
15  
V
DD  
E
out  
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  
3
4
5
6
7
8
14  
13  
12  
11  
10  
9
GS  
D3  
D2  
D1  
D0  
Q0  
TRUTH TABLE  
E
in  
Input  
Output  
Q2  
E
in  
D7 D6 D5 D4 D3 D2 D1 D0 GS Q2 Q1 Q0  
E
out  
Q1  
SS  
0
1
X
0
X
0
X
0
X
0
X
0
X
0
X
0
X
0
0
0
0
0
0
0
0
0
0
1
V
1
1
1
1
1
0
0
0
X
1
0
0
X
X
1
0
X
X
X
1
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
1
1
1
1
1
1
1
1
1
1
0
0
1
0
1
0
0
0
0
0
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
X
1
0
0
X
X
1
0
X
X
X
1
1
1
1
1
0
0
0
0
1
1
0
0
1
0
1
0
0
0
0
0
X = Don’t Care  
This device contains protection circuitry to guard against damage  
due to high static voltages or electric fields. However, precautions must  
be taken to avoid applications of any voltage higher than maximum rated  
voltages to this high-impedance circuit. For proper operation, V and  
in  
V
out  
should be constrained to the range V  
SS  
(V or V ) V .  
in out DD  
Unused inputs must always be tied to an appropriate logic voltage  
level (e.g., either V or V ). Unused outputs must be left open.  
SS DD  
REV 3  
1/94  
Motorola, Inc. 1995  

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