COM20019I-DZD Standard Microsystems (SMSC), COM20019I-DZD Datasheet - Page 17
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COM20019I-DZD
Manufacturer Part Number
COM20019I-DZD
Description
Manufacturer
Standard Microsystems (SMSC)
Datasheet
1.COM20019I-DZD.pdf
(70 pages)
Specifications of COM20019I-DZD
Number Of Transceivers
1
Operating Supply Voltage (max)
5.5V
Operating Supply Voltage (typ)
5V
Operating Supply Voltage (min)
4.5V
Operating Temperature (max)
85C
Operating Temperature (min)
-40C
Operating Temperature Classification
Industrial
Mounting
Surface Mount
Pin Count
28
Lead Free Status / RoHS Status
Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
COM20019I-DZD
Manufacturer:
SMSC
Quantity:
1 028
Company:
Part Number:
COM20019I-DZD
Manufacturer:
Microchip Technology
Quantity:
10 000
Company:
Part Number:
COM20019I-DZD-TR
Manufacturer:
Microchip Technology
Quantity:
10 000
SMSC COM20019I 3.3V Rev.C
Cost Competitive ARCNET (ANSI 878.1) Controller with 2K x 8 On-Chip RAM
nPULSE1
nPULSE2
Figure 5.1 - MULTIPLEXED, 8051-LIKE BUS INTERFACE WITH RS-485 INTERFACE
TXEN
RXIN
GND
8051
BACKPLANE CONFIGURATION
AD0-AD7
RESET
XTAL1
XTAL2
nINT1
ALE
A15
FIGURE A
nWR
nRD
DATASHEET
A0/nMUX
27 pF
AD0-AD2, D3-D7
A2/BALE
nRESET
nRD/nDS
nWR/DIR
nCS
nINTR
+5V
100 Ohm
Page 17
XTAL1
COM20022
20 MHz
XTAL
nPULSE1
XTAL2
NOTE: COM20022 must be in backplane mode
RXIN
nPULSE1
nPULSE2
nTXEN
RXIN
GND
27 pF
FIGURE B
Differential Driver
Configuration
*
Media Interface
with Figure A, B or C.
may be replaced
+5V
+5V
75176B or
Equiv.
2
6
7
3
2
6
7
2 Fiber Interface
(ST Connectors)
HFD3212-002
HFE4211-014
Transmitter
Receiver
Rev. 11-07-08