5Mbps ARCNET (ANSI 878.1) Controller with 2K x 8 On-Chip RAM
3.0 PIN CONFIGURATIONS
nRESET IN
A0/nMUX
1
2
3
4
5
6
7
8
9
10
11
12
VDD
nRD/nDS
nWR/DIR
A1
A2/ALE
AD0
AD1
AD2
D3
D4
D5
D6
D7
VSS
23
22
21
20
19
18
17
16
15
14
13
25
nWR/DIR
26
27
28
1
2
3
4
5
24
23
22
VSS
nCS
24
21
20
nPULSE2
nTXEN
nINTR
RXIN
19
18
17
16
15
14
13
12
nPULSE 1
XTAL2
XTAL1
VDD
VSS
N/C
D7
nCS
nINTR
nRESET IN
nTXEN
RXIN
nPULSE2
nRD/nDS
VDD
A0/nMUX
A1
A2/ALE
nPULSE1
AD0
XTAL2
XTAL1
6
7
8
9
10
11
D3
AD1
AD2
Package: 28-Pin PLCC
Packages: 24-Pin DIP or 28-Pin PLCC
Ordering Information:
Ordering Information:
COM20020 I P
COM20019 I P
PACKAGE TYPE: P = Plastic, LJP = PLCC
PACKAGE TYPE: P = Plastic, LJP = PLCC
TEMP RANGE: (Blank) = Commercial:
to 75°
to +70°C
TEMP RANGE: 1 = Industrial: -40° C
0°C
C
I = Industrial: -40°C to +85°C
DEVICE TYPE: 20020
Universal Local Area Network Controller
DEVICE TYPE: 20019 =
= Universal Local Area Network
(with 2K x 8 RAM)
(with 2K x 8 RAM)
Revision 12-06-06
VSS
D4
D5
D6
6
SMSC COM20020I 3.3V
DATASHEET
SMSC [ SMSC CORPORATION ]
