COM20022I_06 Datasheet, PDF (57/82 Pages) SMSC Corporation – 10 Mbps ARCNET (ANSI 878.1) Controller with 2Kx8 On-Board RAM

10 Mbps ARCNET (ANSI 878.1) Controller with 2Kx8 On-Board RAM
Datasheet
PARAMETER
Low to High Threshold
Input Voltage
(A2, nRESET, nRD, nWR,
nREFEX and RXIN)
High to Low Threshold
Input Voltage
(A2, nRESET, nRD, nWR,
nREFEX and RXIN)
Low Output Voltage 1
(nPULSE1 in Push/Pull
Mode, nPULSE2,
nTXEN, DREQ, nIOCS16)
High Output Voltage 1
(nPULSE1 in Push/Pull
Mode, nPULSE2,
nTXEN, DREQ, nIOCS16)
Low Output Voltage 2
(D0-D15)
High Output Voltage 2
(D0-D15)
Low Output Voltage 3
(nINTR)
High Output Voltage 3
(nINTR)
Low Output Voltage 4
(nPULSE1 in Open-Drain
Mode)
Dynamic V_DD Supply
Current
SYMBOL
V_ILH
MIN
TYP
1.8
V_IHL
1.2
V_OL1
V_OH1
V_OH1C
V_OL2
V_OH2
V_OL3
V_OH3
V_OL4
2.4
0.8 x V_DD
2.4
2.4
I_DD1
45
I_DD2
65
Input Pull-up Current
I_P
80
(nPULSE1 in Open-Drain
Mode, A1, AD0-AD2,
D3-D15, nREFEX, (nDACK
and TC in BUSTMG = H))
Input Leakage Current
(All inputs except A1,
I_L
AD0-AD2, D3-D15,
XTAL1, XTAL2, nREFEX,
(nDACK and TC in BUSTMG =
H))
MAX
0.4
0.4
0.8
0.5
200
±10
UNIT
V
COMMENT
Schmitt Trigger,
All Values at V_DD =
5V
V
V
I_SINK=4mA
V
I_SOURCE=-2mA
I_SOURCE=-200µA
(except DREQ,
nIOCS16)
V
I_SINK=16mA
V
I_SOURCE=-12mA
V
I_SINK=24mA
V
I_SOURCE=-10mA
V
I_SINK=48mA
Open Drain Driver
mA 5 Mbps
mA 10 Mbps
All Outputs Open
μA
V_IN=0.0V
μA
V_SS < V_IN < V_DD
SMSC COM20022I
Page 57
DATASHEET
Revision 02-27-06