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MAX485E 参数 Datasheet PDF下载

MAX485E图片预览
型号: MAX485E
PDF下载: 下载PDF文件 查看货源
内容描述: 低Power.General多用途Timer[ICM7555/ICM7556/ICM7555ESA/ICM7555ESA-T/ICM7555I/D/ICM7555IJA/ICM7555IPA/ICM7555IPA-2/ICM7555ISA/ICM7555ISA-T/ICM7555ITV/ICM7555MJA/ICM7555MJA/HR/ICM7555MTV/ICM7555MTV/HR/ICM7556I/D/ICM7556IPD/ICM7556IPD-2/ICM7556ISD/ICM7556ISD-T/ICM7556MJD/ICM7556MJD/HR]\n [Low-Power.General-Purpose Timer[ICM7555/ICM7556/ICM7555ESA/ICM7555ESA-T/ICM7555I/D/ICM7555IJA/ICM7555IPA/ICM7555IPA-2/ICM7555ISA/ICM7555ISA-T/ICM7555ITV/ICM7555MJA/ICM7555MJA/HR/ICM7555MTV/ICM7555MTV/HR/ICM7556I/D/ICM7556IPD/ICM7556IPD-2/ICM7556ISD/ICM7556ISD-T/ICM7556MJD/ICM7556MJD/HR] ]
分类和应用: 电视光电二极管信息通信管理
文件页数/大小: 16 页 / 135 K
品牌: MAXIM [ MAXIM INTEGRATED PRODUCTS ]
 浏览型号MAX485E的Datasheet PDF文件第7页浏览型号MAX485E的Datasheet PDF文件第8页浏览型号MAX485E的Datasheet PDF文件第9页浏览型号MAX485E的Datasheet PDF文件第10页浏览型号MAX485E的Datasheet PDF文件第12页浏览型号MAX485E的Datasheet PDF文件第13页浏览型号MAX485E的Datasheet PDF文件第14页浏览型号MAX485E的Datasheet PDF文件第15页  
±1 5 k V ES D-P ro t e c t e d , S le w -Ra t e -Lim it e d ,  
Lo w -P o w e r, RS -4 8 5 /RS -4 2 2 Tra n s c e ive rs  
35–9/MAX1487E  
3V  
DE  
C
L1  
A
B
V
CC  
Y
Z
S1  
S2  
500Ω  
R
RO  
DIFF  
DI  
OUTPUT  
UNDER TEST  
V
ID  
RE  
C
L
C
L2  
Figure 10. Driver/Receiver Timing Test Circuit  
Figure 11. Driver Timing Test Load  
3V  
3V  
DE  
DI  
1.5V  
1.5V  
1.5V  
1.5V  
0V  
0V  
t
t
PHL  
PLH  
1/2 V  
O
t
LZ  
t
, t  
ZL(SHDN) ZL  
Z
Y, Z  
V
2.3V  
V
+0.5V  
O
OUTPUT NORMALLY LOW  
OUTPUT NORMALLY HIGH  
OL  
V
OL  
Y
1/2 V  
O
V
= V (Y) - V (Z)  
DIFF  
Y, Z  
0V  
V
O
V
OH  
-0.5V  
2.3V  
V
DIFF  
90%  
90%  
0V  
-V  
10%  
10%  
O
t
, t  
t
HZ  
ZH(SHDN) ZH  
t
R
t
F
t
| t - t  
|
SKEW = PLH PHL  
Figure 12. Driver Propagation Delays  
Figure 13. Driver Enable and Disable Times (except MAX488E  
and MAX490E)  
3V  
RE  
1.5V  
1.5V  
0V  
V
OH  
t
t
, t  
RO  
LZ  
ZL(SHDN) ZL  
1.5V  
1.5V  
0V  
V
OL  
OUTPUT  
V
RO  
CC  
1.5V  
V
+ 0.5V  
- 0.5V  
OUTPUT NORMALLY LOW  
OUTPUT NORMALLY HIGH  
OL  
t
t
PLH  
PHL  
V
ID  
A-B  
0V  
-V  
INPUT  
ID  
RO  
V
OH  
1.5V  
0V  
t
, t  
t
HZ  
ZH(SHDN) ZH  
Figure 14. Receiver Propagation Delays  
Figure 15. Receiver Enable and Disable Times (except MAX488E  
and MAX490E)  
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