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MC14538B

更新时间： 2024-11-27 04:59:27
品牌 Logo 应用领域
摩托罗拉 - MOTOROLA 振荡器
页数 文件大小 规格书
10页 275K
描述
DUAL PRECISION RETRIGGERABLE / RESETTABLE MONOSTABLE MULTIVIBRATOR

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MC14538B 数据手册

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SEMICONDUCTOR TECHNICAL DATA  
L SUFFIX  
CERAMIC  
CASE 620  
The MC14538B is a dual, retriggerable, resettable monostable multivibra-  
tor. It may be triggered from either edge of an input pulse, and produces an  
accurate output pulse over a wide range of widths, the duration and accuracy  
P SUFFIX  
PLASTIC  
CASE 648  
of which are determined by the external timing components, C and R .  
X
X
•
•
•
•
•
•
•
Unlimited Rise and Fall Time Allowed on the A Trigger Input  
Pulse Width Range = 10 µs to 10 s  
Latched Trigger Inputs  
Separate Latched Reset Inputs  
3.0 Vdc to 18 Vdc Operational Limits  
Triggerable from Positive (A Input) or Negative–Going Edge (B–Input)  
Capable of Driving Two Low–power TTL Loads or One Low–power  
Schottky TTL Load Over the Rated Temperature Range  
Pin–for–pin Compatible with MC14528B and CD4528B (CD4098)  
Use the MC54/74HC4538A for Pulse Widths Less Than 10 µs with  
Supplies Up to 6 V.  
DW SUFFIX  
SOIC  
CASE 751G  
ORDERING INFORMATION  
MC14XXXBCP  
MC14XXXBCL  
*MC14XXXBDW  
Plastic  
Ceramic  
SOIC  
•
•
T
A
= – 55° to 125°C for all packages.  
MAXIMUM RATINGS* (Voltages Referenced to V  
)
SS  
BLOCK DIAGRAM  
Symbol  
Parameter  
DC Supply Voltage  
Value  
Unit  
V
C
X
R
X
V
DD  
– 0.5 to + 18.0  
V
DD  
V , V  
in out  
Input or Output Voltage (DC or Transient)  
– 0.5 to V  
DD  
+ 0.5  
V
1
2
I , I  
Input or Output Current (DC or Transient),  
per Pin  
± 10  
mA  
in out  
A
4
5
Q1  
Q1  
RESET  
6
7
B
P
D
Power Dissipation, per Package†  
Storage Temperature  
500  
mW  
C
T
stg  
– 65 to + 150  
260  
T
L
Lead Temperature (8–Second Soldering)  
C
3
* Maximum Ratings are those values beyond which damage to the device may occur.  
†Temperature Derating:  
C
X
R
X
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  
V
DD  
15  
14  
A
B
12  
11  
ONE–SHOT SELECTION GUIDE  
Q2  
Q2  
10  
9
100 ns  
MC14528B  
1
µs  
10  
µs  
100  
µs  
1 ms  
10 ms 100 ms 1 s  
10 s  
RESET  
MC14536B  
MC14538B  
23 HR  
5 MIN.  
13  
R
AND C ARE EXTERNAL COMPONENTS.  
X
X
MC14541B  
MC4538A*  
V
V
= PIN 16  
DD  
SS  
= PIN 8, PIN 1, PIN 15  
*LIMITED OPERATING VOLTAGE (2 – 6 V)  
* Consult factory for possible “D” suffix SOIC  
Case 751B.  
TOTAL OUTPUT PULSE WIDTH RANGE  
RECOMMENDED PULSE WIDTH RANGE  
REV 3  
1/94  
Motorola, Inc. 1995  
1234567...10

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