參數(shù)資料
型號(hào): MAX3160
廠商: Maxim Integrated Products, Inc.
英文描述: MemoryStick(TM) Interconnect Extender Chipset 20-TSSOP -40 to 85
中文描述: +3.0V至+5.5V、1µA、RS-232/RS-485/RS-422多協(xié)議收發(fā)器
文件頁(yè)數(shù): 13/23頁(yè)
文件大小: 358K
代理商: MAX3160
M
+3.0V to+5.5V, 1μA, RS-232/RS-485/422
Multiprotocol Transceivers
______________________________________________________________________________________
13
Test Circuits (continued)
C
L
V
CC
OUTPUT
UNDER TEST
S1
S2
500
Figure 4. RS-485/422 Driver Enable/Disable Timing Test Load
DI
3V
0
Z
Y
V
O
0
-V
O
V
O
1.5V
t
DPLH
1/2 V
O
10%
T
DR
90%
90%
t
DPHL
1.5V
1/2 V
O
10%
T
DF
V
DIFF
= V
y
- V
z
V
DIFF
t
DSKEW =
|
t
DPLH
- t
DPHL
|
OUTPUT NORMALLY LOW
OUTPUT NORMALLY HIGH
3V
0
Y, Z
V
OL
Y, Z
0
1.5V
1.5V
V
OL
+ 0.5V
V
OH
- 0.5V
2.3V
2.3V
t
DZL
t
DLZ
t
DZH
t
DHZ
DE485
OUTPUT NORMALLY LOW
OUTPUT NORMALLY HIGH
3V
0
V
CC
RO
RO
0
1.5V
1.5V
V
OL
+ 0.5V
V
OH
- 0.5V
1.5V
1.5V
t
RZL
t
RLZ
t
RZH
t
RHZ
RE485
Figure 5. RS-485/422 Driver Propagation Delays
Figure 6. RS-485/422 Driver Enable and Disable Times
V
OH
V
OL
A
B
1V
-1V
V
CC
/2
V
CC
/2
OUTPUT
INPUT
RO
t
RPLH
t
RPHL
V
ID
C
L
A
B
R
RO
Figure 7. RS-485/422 Receiver Propagation Delays
Figure 9. RS-485/422 Receiver Propagation Delays Test Circuit
Figure 8. MAX3162 RS-485/422 Receiver Enable and Disable
Times
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PDF描述
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