COM20019I-HT Standard Microsystems (SMSC), COM20019I-HT Datasheet - Page 18
![no-image](/images/manufacturer_photos/0/6/632/standard_microsystems__smsc__sml.jpg)
COM20019I-HT
Manufacturer Part Number
COM20019I-HT
Description
Manufacturer
Standard Microsystems (SMSC)
Datasheet
1.COM20019I-HT.pdf
(70 pages)
Specifications of COM20019I-HT
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
Lead Free Status / RoHS Status
Compliant
- Current page: 18 of 70
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Rev. 11-07-08
Figure 5.2 - NON-MULTIPLEXED, 6801-LIKE BUS INTERFACE WITH RS-485 INTERFACE
6801
XTAL1
XTAL2
D0-D7
nIRQ1
nRES
R/nW
nIOS
A0
A1
A2
A7
nPULSE1
nPULSE2
nTXEN
RXIN
GND
N/C
RXIN
nPULSE1
nPULSE2
4, 13, 14
17, 19,
HYC9068 or
HYC9088
DATASHEET
0.47
nRESET
nRD/nDS
nWR/nDIR
27 pF
uF
D0-D7
nCS
A0/nMUX
A1
A2/BALE
nINTR
FIGURE C
Page 18
Cost Competitive ARCNET (ANSI 878.1) Controller with 2K x 8 On-Chip RAM
COM20022
+
10
6
uF
3
+5V
-5V
11
12
10
uF
*Valid for 2.5 Mbps only.
Traditional Hybrid
1/2W
5.6K
1/2W
5.6K
nPULSE1
nPULSE2
Configuration
TXEN
RXIN
27 pF
GND
0.47
uF
Differential Driver
Configuration
0.01 uF
1KV
*
Media Interface
may be replaced
with Figure A, B or C.
75176B or
Equiv.
SMSC COM20019I 3.3V Rev.C
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