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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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ꢀꢁ ꢂꢃ ꢄ ꢅꢆꢇ ꢈ ꢉ ꢊ ꢀꢁ ꢋꢃ ꢄꢅ ꢆꢇ ꢈꢉ  
ꢌꢍ ꢎꢎ ꢏꢐ ꢏꢁꢑ ꢍꢒ ꢄ ꢑ ꢐꢒꢁ ꢀꢆ ꢏ ꢍꢓ ꢏ ꢐ  
ꢔ ꢍꢑ ꢕ ꢑ ꢐꢒꢁꢀ ꢍꢏꢁ ꢑ ꢓꢖ ꢄꢑꢒꢗ ꢏ ꢀꢘ ꢙꢙꢐ ꢏꢀ ꢀ ꢍꢖ ꢁ  
www.DataSheet4U.com  
SLLS236F − OCTOBER 1996 − REVISED APRIL 2005  
DRIVER SECTION  
electrical characteristics over recommended operating conditions (unless otherwise noted)  
ALTERNATE  
SYMBOLS  
PARAMETER  
TEST CONDITIONS  
MIN  
MAX  
25  
UNIT  
mA  
TYP  
DE = RE = 5 V, No Load  
12  
I
Supply current  
NA  
DE = 0 V,  
No Load  
RE = 5 V,  
CC  
175  
300  
50  
µA  
I
I
High-level input current (D, DE, RE)  
Low-level input current (D, DE, RE)  
NA  
NA  
V = 2.4 V  
I
µA  
µA  
IH  
V = 0.4 V  
I
50  
IL  
V
V
V
= −7 V  
250 −120  
O
O
O
Short-circuit output current  
(see Note 5)  
I
NA  
= V  
CC  
250  
250  
mA  
OS  
OZ  
= 12 V  
I
High-impedance output current  
Output voltage  
NA  
See Receiver I  
mA  
V
I
V
V
V
V
, V  
oa ob  
0
V
CC  
I
O
= 0  
O
Peak-to-peak change in common-  
mode output voltage during state  
transitions  
See Figures 5 and 6  
0.8  
V
NA  
OC(PP)  
OC  
Common-mode output voltage  
|V  
os  
|
See Figure 4  
See Figure 5  
1
3
0.1  
6
V
V
Magnitude of change, common-  
mode steady-state output voltage  
|V  
OC(SS)  
|
|V − V |  
os os  
I
O
= 0  
1.5  
1.5  
V
V
Magnitude of differential output  
voltage |V − V |  
|V  
|
V
o
OD  
R
= 54 ,  
See Figure 4  
A
B
L
L
Change in differential voltage mag-  
nitude between logic states  
|V  
|
||V | − |V ||  
R
= 54 Ω  
0.1  
V
OD  
t
t
All typical values are measured with T = 25°C and V  
CC  
= 5 V.  
A
NOTE 5: This parameter is measured with only one output being driven at a time.  
switching characteristics over recommended operating conditions (unless otherwise noted)  
PARAMETER  
TEST CONDITIONS  
MIN  
TYP  
MAX  
1.3  
1.3  
1.3  
1.3  
150  
1.2  
1.2  
3.5  
3.5  
2
UNIT  
µs  
µs  
µs  
µs  
ns  
t
t
t
t
t
t
t
t
t
t
t
Differential output delay time, low-to-high-level output  
Differential-output delay time, high-to-low-level output  
Propagation delay time, low-to-high-level output  
Propagation delay time, high-to-low-level output  
d(DH)  
d(DL)  
PLH  
PHL  
sk(p)  
r
0.5  
0.5  
75  
R
= 54 ,  
C = 50 pF,  
L
L
See Figure 5  
Pulse skew (|t |)  
− t  
d(DH) d(DL)  
Rise time, single ended  
Fall time, single ended  
0.25  
0.25  
µs  
µs  
µs  
µs  
µs  
µs  
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  
R
R
R
R
= 110 Ω,  
= 110 Ω,  
= 110 Ω,  
= 110 Ω,  
See Figure 2  
See Figure 3  
See Figure 2  
See Figure 3  
PZH  
PZL  
PHZ  
PLZ  
L
L
L
L
2
5
POST OFFICE BOX 655303 DALLAS, TEXAS 75265  
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