COM20022I-3.3V Datasheet, PDF (52/73 Pages) SMSC Corporation – 10 Mbps ARCNET (ANSI 878.1) Controller with 2Kx8 On-Chip RAM

10 Mbps ARCNET (ANSI 878.1) Controller with 2Kx8 On-Chip RAM
Datasheet
CAPACITANCE (T_A = 25°C; f_C = 1MHz; V_DD = 0V)
Output and I/O pins capacitive load specified as follows:
PARAMETER
SYMBOL MIN
TYP
MAX
Input Capacitance
C_IN
5.0
Output Capacitance 1
C_OUT1
45
(All outputs except XTAL2)
UNIT
pF
pF
COMMENT
Maximum Capacitive
Load which can be
supported by each
output.
AC Measurements are taken at the following points:
2.4V
1.4V
0.4V
2.4V
1.4V
0.4V
Inputs:
t
50%
t
50%
2.0V
0.8V
2.0V
0.8V
Outputs:
t
t
Inputs are driven at 2.4V for logic "1" and 0.4 V for logic "0" except XTAL1 pin.
Outputs are measured at 2.0V min. for logic "1" and 0.8V max. for logic "0".
Figure 7.1 - AC Measurements
Revision 03-08-07
Page 52
DATASHEET
SMSC COM20022I 3.3V Rev.C