COM20020I-DZD SMSC, COM20020I-DZD Datasheet - Page 71

• Manufacturer Part Number: COM20020I-DZD
• Description: IC CTRLR LAN UNIV 2KX8 28-PLCC
• Manufacturer: SMSC
• Series: ARCNETr

Specifications of COM20020I-DZD

• Controller Type: ARCNET Controller
• Interface: Differential
• Voltage - Supply: 4.5 V ~ 5.5 V
• Current - Supply: 20mA
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 28-PLCC
• Product: Controller Area Network (CAN)
• Number Of Transceivers: 1
• Data Rate: 5 Mbps
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 4.5 V
• Supply Current (max): 40 mA (Typ)
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 638-1001-5

5Mbps ARCNET (ANSI 878.1) Controller with 2K x 8 On-Chip RAM
Datasheet
Appendix B - Example of Interface Circuit Diagram to
SMSC COM20020I Rev D
RESETDRV
nREFRESH
SA15-SA4
SD7-SD0
SA2-SA0
nIOCS16
ISA Bus
nDACK
DRQn
IRQm
nIOW
nIOR
AEN
TC
3
12
8
ISA Bus
nG
P
A
Transceivers
DIR
Comparators
LS688x2
16 bit Bus
Schmitt-Trigger Buffer
P=Q
LS245
12 bit
A
DATASHEET
nG
Q
B
12
3
Page 71
I/O Address Seeting (DIP Switches)
8
nCS
nRD
nWR
A2-A0
nINTR
nRESET
COM20020
D7-D0
Revision 12-05-06