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