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SN65/75LBC184 参数 Datasheet PDF下载

SN65/75LBC184图片预览
型号: SN65/75LBC184
PDF下载: 下载PDF文件 查看货源
内容描述: [RS-485接口芯片]
分类和应用:
文件页数/大小: 21 页 / 400 K
品牌: TI [ TEXAS INSTRUMENTS ]
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www.DataSheet4U.com  
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SLLS236F − OCTOBER 1996 − REVISED APRIL 2005  
RECEIVER SECTION  
electrical characteristics over recommended operating conditions (unless otherwise noted)  
PARAMETER  
TEST CONDITIONS  
MIN TYP  
MAX  
UNIT  
DE = RE = 0 V,  
No Load  
3.9  
mA  
I
Supply current (total package)  
CC  
RE = 5 V,  
No Load  
DE = 0 V,  
300  
µA  
V = 12 V  
250  
250  
I
V = 12 V,  
I
V
V
= 0  
= 0  
CC  
I
I
Input current  
Other input = 0 V  
µA  
I
V = 7 V  
I
200  
200  
V = 7 V,  
I
CC  
High-impedance-state output current  
Input hysteresis voltage  
V
O
= 0.4 V to 2.4 V  
100  
200  
µA  
mV  
mV  
mV  
V
OZ  
V
V
V
V
V
70  
hys  
IT+  
IT−  
OH  
OL  
Positive-going input threshold voltage  
Negative-going input threshold voltage  
High-level output voltage  
200  
2.8  
I
I
= 8 mA  
= 4 mA  
Figure 7  
Figure 7  
OH  
Low-level output voltage  
0.4  
V
OL  
All typical values are at V  
CC  
= 5 V, T = 25°C.  
A
switching characteristics over recommended operating conditions (unless otherwise noted)  
PARAMETER  
TEST CONDITIONS  
MIN  
TYP  
MAX  
150  
150  
50  
UNIT  
ns  
t
t
t
t
t
t
t
t
t
Propagation delay time, low-to-high-level output  
Propagation delay time, high-to-low-level output  
PLH  
PHL  
sk(p)  
r
C
= 50 pF, See Figure 7  
L
ns  
Pulse skew (|t  
− t  
|)  
ns  
pHL pLH  
Rise time, single ended  
Fall time, single ended  
20  
20  
ns  
See Figure 7  
See Figure 8  
ns  
f
Output enable time to high level  
Output enable time to low level  
Output disable time from high level  
Output disable time from low level  
100  
100  
100  
100  
ns  
PZH  
PZL  
PHZ  
PLZ  
ns  
ns  
ns  
6
POST OFFICE BOX 655303 DALLAS, TEXAS 75265  
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