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SP486 数据表(PDF) 5 Page - Sipex Corporation

部件名 SP486
功能描述  Quad RS-485/RS-422 Line Drivers
PDF  7 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  SIPEX [Sipex Corporation]
网页  http://www.sipex.com
标志 SIPEX - Sipex Corporation

SP486 数据表(HTML) 5 Page - Sipex Corporation

  SP486 Datasheet HTML 1Page - Sipex Corporation SP486 Datasheet HTML 2Page - Sipex Corporation SP486 Datasheet HTML 3Page - Sipex Corporation SP486 Datasheet HTML 4Page - Sipex Corporation SP486 Datasheet HTML 5Page - Sipex Corporation SP486 Datasheet HTML 6Page - Sipex Corporation SP486 Datasheet HTML 7Page - Sipex Corporation  
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background image
5
SP486/487
Quad RS-485/RS-422 Line Drivers
© Copyright 2000 Sipex Corporation
Figure 4. Driver Propagation Delays
3V
0V
B
A
VO
–VO
VO
VO
1
2
tr
tf
10%
90%
90%
10%
VO
1
2
tSKEW
tSKEW
VDIFF = V(A) – V(B)
F = 1MHZ: tr < 10ns: tf < 10ns
tPLH
tPHL
DI
1.5V
1.5V
AC PARAMETERS
V
CC = 5V±5%; typicals at 25°C; 0°C ≤ TA ≤ +70°C unless otherwise noted.
PARAMETER
MIN.
TYP.
MAX.
UNIT
CONDITIONS
PROPAGATION DELAY
Driver Input to Output
R
DIFF = 54 Ohms, CL1= CL2=
100pF;
Figure 2
Low to High (t
PLH)
204060
ns
High to Low (t
PHL)
204060
ns
Driver Output to Output (t
SKEW)
5
15
ns
Driver Rise Time (t
R)
10% to 90%
SP486
20
ns
SP487
20
ns
Driver Fall Time (t
F)
90% to 10%
SP486
20
ns
SP487
20
ns
DRIVER ENABLE
To Output High
60
110
ns
C
L = 100pF; Figures 3 and 5
(S
2 closed)
To Output Low
60
115
ns
C
L = 100pF; Figures 3 and 5
(S
1 closed)
DRIVER DISABLE
From Output Low
60
130
ns
C
L = 15pF; Figures 3 and 5
(S
1 closed)
From Output High
60
130
ns
C
L = 15pF; Figures 3 and 5
(S
2 closed)



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