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MC14538BDR2 PDF预览

MC14538BDR2

更新时间: 2024-02-10 09:02:06
品牌 Logo 应用领域
安森美 - ONSEMI 振荡器逻辑集成电路光电二极管
页数 文件大小 规格书
12页 289K
描述
Dual Precision Retiggerable/Resettable Monostable Multivibrator

MC14538BDR2 数据手册

 浏览型号MC14538BDR2的Datasheet PDF文件第1页浏览型号MC14538BDR2的Datasheet PDF文件第2页浏览型号MC14538BDR2的Datasheet PDF文件第3页浏览型号MC14538BDR2的Datasheet PDF文件第5页浏览型号MC14538BDR2的Datasheet PDF文件第6页浏览型号MC14538BDR2的Datasheet PDF文件第7页 
MC14538B  
SWITCHING CHARACTERISTICS (6.) (C = 50 pF, T = 25 C)  
L
A
All Types  
V
Vdc  
DD  
(7.)  
Characteristic  
Symbol  
Unit  
Min  
Typ  
Max  
Output Rise Time  
t
ns  
TLH  
THL  
t
t
t
= (1.35 ns/pF) C + 33 ns  
= (0.60 ns/pF) C + 20 ns  
= (0.40 ns/pF) C + 20 ns  
5.0  
10  
15  
100  
50  
40  
200  
100  
80  
TLH  
TLH  
TLH  
L
L
L
Output Fall Time  
t
ns  
ns  
t
t
t
= (1.35 ns/pF) C + 33 ns  
= (0.60 ns/pF) C + 20 ns  
= (0.40 ns/pF) C + 20 ns  
5.0  
10  
15  
100  
50  
40  
200  
100  
80  
THL  
THL  
THL  
L
L
L
Propagation Delay Time  
A or B to Q or Q  
t
,
PLH  
t
PHL  
t
t
t
, t  
= (0.90 ns/pF) C + 255 ns  
= (0.36 ns/pF) C + 132 ns  
L
= (0.26 ns/pF) C + 87 ns  
L
5.0  
10  
15  
300  
150  
100  
600  
300  
220  
PLH PHL  
L
, t  
PLH PHL  
, t  
PLH PHL  
Reset to Q or Q  
ns  
t
t
t
, t  
= (0.90 ns/pF) C + 205 ns  
= (0.36 ns/pF) C + 107 ns  
L
= (0.26 ns/pF) C + 82 ns  
L
5.0  
10  
15  
250  
125  
95  
500  
250  
190  
PLH PHL  
L
, t  
PLH PHL  
, t  
PLH PHL  
Input Rise and Fall Times  
Reset  
t , t  
r
5
10  
15  
15  
5
4
µs  
ms  
f
B Input  
A Input  
5
10  
15  
300  
1.2  
0.4  
1.0  
0.1  
0.05  
5
10  
15  
No Limit  
Input Pulse Width  
A, B, or Reset  
t
t
,
5.0  
10  
15  
170  
90  
80  
85  
45  
40  
ns  
ns  
µs  
WH  
WL  
Retrigger Time  
t
rr  
5.0  
10  
15  
0
0
0
Output Pulse Width — Q or Q  
Refer to Figures 8 and 9  
T
C
C
C
= 0.002 µF, R = 100 kΩ  
5.0  
10  
15  
198  
200  
202  
210  
212  
214  
230  
232  
234  
X
X
X
X
= 0.1 µF, R = 100 kΩ  
5.0  
10  
15  
9.3  
9.4  
9.5  
9.86  
10  
10.14  
10.5  
10.6  
10.7  
ms  
s
X
= 10 µF, R = 100 kΩ  
5.0  
10  
15  
0.91  
0.92  
0.93  
0.965  
0.98  
0.99  
1.03  
1.04  
1.06  
X
Pulse Width Match between circuits in  
the same package.  
100  
[(T – T )/T ]  
5.0  
10  
15  
± 1.0  
± 1.0  
± 1.0  
± 5.0  
± 5.0  
± 5.0  
%
1
2
1
C
= 0.1 µF, R = 100 kΩ  
X
X
6. The formulas given are for the typical characteristics only at 25 C.  
7. Data labelled “Typ” is not to be used for design purposes but is intended as an indication of the IC’s potential performance.  
http://onsemi.com  
4

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