COM20022I3V-HT 查看數據表（PDF） - SMSC -> Microchip
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COM20022I3V-HT Datasheet PDF : 73 Pages
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10 Mbps ARCNET (ANSI 878.1) Controller with 2Kx8 On-Chip RAM
Datasheet
nTXEN
t4
nPULSE1
nPULSE2
t2
t1
t3
t1
t6
t8
RXIN
t7
Parameter
t1 nPULSE1, nPULSE2 Pulse Width
t2 nPULSE1, nPULSE2 Period
t3 nPULSE1, nPULSE2 Overlap
t4 nTXEN Low to nPULSE1 Low
t5 Beginning of Last Bit Time to nTXEN High
t6 RXIN Active Pulse Width
t7
RXIN Period
t8
RXIN Inactive Pulse Width
Note: Use Only 2.5 Mbps
t5
LAST BIT
(400 nS BIT TIME)
t2
min
typ
100
400
-10
0
850
250
10 100
400
20
max
+10
950
350
units
nS
nS
nS
nS
nS
nS
nS
nS
Figure 8.13 - Normal Mode Transmit or Receive Timing
(These signals are to and from the hybrid)
SMSC COM20022I 3.3V Rev.C
Page 65
DATASHEET
Revision 03-08-07
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