參數(shù)資料
型號： MAX14780EESA+T
廠商： Maxim Integrated Products
文件頁數(shù)： 11/14頁
文件大小： 0K
描述： TRANSCEIVER RS-485/RS-422 8SO
產(chǎn)品培訓(xùn)模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝： 2,500
系列： *
6
Maxim Integrated
+5.0V, ±30kV ESD-Protected, Fail-Safe,
Hot-Swap, RS-485/RS-422 Transceiver
MAX14780E
Test Circuits and Waveforms (continued)
Figure 6. Receiver Propagation Delay Test Circuit
Figure 7. Receiver Propagation Delays
Figure 8. Receiver Enable and Disable Times
VID
R
B
A
RECEIVER
OUTPUT
ATE
A
B
RO
VOH
VCC/2
tRPLH
tRPHL
VOL
+1V
-1V
THE RISE TIME AND FALL TIME OF INPUTS A AND B < 4ns
S1 OPEN
S2 CLOSED
VS3 = +1.5V
RO
VCC
0
VOH
VOH / 2
S1 OPEN
S2 CLOSED
VS3 = +1.5V
tRHZ
VCC
0
VOH
0.25V
VCC/2
50%
10%
S1 CLOSED
S2 OPEN
VS3 = -1.5V
VCC
0
VOL
VCC
VCC/2
S1 CLOSED
S2 OPEN
VS3 = -1.5V
tRLZ
VCC
0
VOL
VCC
0.25V
GENERATOR
VCC
+1.5V
1k
CL
15pF
S2
S1
50
S3
-1.5V
VID
RE
RO
RE
RO
RE
RO
RE
tRZH, tRZH(SHDN)
tRZL, tRZL(SHDN)
(VOL + VCC)/2
VCC/2
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