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PDF ICS1893AF Data sheet ( Hoja de datos )
| Número de pieza | ICS1893AF | |
| Descripción | 3.3V 10Base-T/100Base-TX Integrated PHYceiverTM | |
| Fabricantes | Integrated Circuit Systems | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de ICS1893AF (archivo pdf) en la parte inferior de esta página. Total 12 Páginas | ||
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Integrated
Circuit
Systems, Inc.
ICS1893AF
Product Brief
3.3V 10Base-T/100Base-TX Integrated PHYceiver™
General
The ICS1893AF is a lower cost, re-packaged version of
the ICS1893Y-10. The ICS1893AF is a fully integrated,
Physical Layer device (PHY) that is compliant with both
the 10Base-T and 100Base-TX CSMA/CD Ethernet
Standard, ISO/IEC 8802-3. The ICS1893AF uses the
same proven silicon as the ICS1893Y-10 but offers a
lower cost solution by using a lower cost 300mil 48-lead
www.DataSheeSt4SUO.coPmpackage.
All parametric specifications and timing diagrams for the
ICS1893Y-10 apply to the ICS1893AF. Refer to the
1893 Data Sheet for detailed specifications and timings.
The ICS1893AF uses the same twisted-pair transmit and
receive circuits as the ICS1893Y-10, and the same
recommended board layout techniques apply to the
ICS1893AF.
The ICS1893AF is intended for Node applications using
the standard MII interface to the MAC.
All changes are listed in the ICS1893AF / ICS1893Y-10
Feature Set Comparison Table on page 2.
• DSP-based baseline wander correction to virtually
eliminate killer packets across temperature range of
-5º to +85º C.
• Low-power, 0.35-micron CMOS (typically 400mW)
• Single-chip, fully integrated PHY provides PCS, PMA,
PMD and AUTONEG Sublayers of the IEEE Std.
• 10Base-T and 100Base-TX IEEE 8802-3 compliant
• Clock or crystal supported.
• Media Independent Interface (MII) supported.
• Managed or Unmanaged Applications
• 10M or 100M Half and Full Duplex Modes
• Auto-Negotiation with Next Page. Parallel detection
for Legacy products.
• Fully-integrated, DSP-based PMD includes:
- Adaptive equalization and baseline wander correction
- Transmit wave shaping and stream cipher scrambler
- MLT-3 encoder and NRZ/NRZI encoder
• Highly configurable supports:
- Node applications, managed or unmanaged
- 10M or 100M half and full duplex modes
ICS1893AF Features
• Single 3.3V power supply
• Supports category 5 cables with attenuation in excess
of 24dB at 100 MHz across a temperature range from -
5º to +85º C.
• Loopback mode for Diagnostic Functions
• Small footprint 48-lead 300mil SSOP package.
10/100 MII
MAC
Interface
MII
Management
Interface
Interface
Mux
MII
Extended
Register
Set
PCS
• Framer
• CRS/COL Detection
• Parallel to Serial
• 4B/5B
100Base-TX
PMA
• Clock Recovery
• Link Monitor
• Signal Detection
• Error Detection
TP_PMD
• MLT-3
• Stream Cipher
• Adaptive Equalizer
• Base Line Wander
• Correction
10Base-T
Low
Jitter
Clock
Synthesizer
Configuration
and
Status
Integrated
Switch
Auto-
Negotiation
Clock
Power
ICS1893 Block Diagram
LEDs &
PHY Address
Document Revision: 5 April 2002
Twisted Pair
Interface to
Magnetics
Modules &
RJ45
Connector
Page 1
1 page  
Product Brief
ICS1893AF
ICS1893AF Pin Descriptions (Cont’d.)
Signal Name
10/100
100TCSR
10TCSR
www.DataSheet4RUE.cFomIN
REFOUT
RESETn
Pin No
9
16
15
47
46
22
Configuration Pins
Signal Description
Output Indication , High=100baseTX Operation
100M Transmit Current Set Resistors (see Figure)
10M Transmit Current Set Resistor
Frequency Reference Input: 25 MHz Input Clock or Crystal
Frequency Reference Output for Crystal
System Reset (active low)
Signal Name
MDIO
MDC
RXD3
RXD2
RXD1
RXD0
RXDV
RXCLK
RXER
TXCLK
TXEN
TXD0
TXD1
TXD2
TXD3
COL
CRS
MAC/Repeater Interface Pins
Pin No.
26
27
28
29
30
31
32
34
35
Signal Description
Management Data Input/Output
Management Data Clock
Receive Data 3
Receive Data 2
Receive Data 1
Receive Data 0
Receive Data Valid
Receive Clock
Receive Error
37 Transmit Clock
38 Transmit Enable
39 Transmit Data 0
40 Transmit Data 1
41 Transmit Data 2
42 Transmit Data 3
43 Collision Detect
44 Carrier Sense
Document Revision: 5 April 2002
Page 5
5 Page 
Product Brief
Cyrstal Operation
REF_OUT
46
REF_IN
47
25.000MHz
www.DataSheet4U.com
33 pF
33 pF
Or
Oscillator Operation
REF_OUT
46
NC
CMOS
25.000
MHz
33 pF
REF_IN
47
10 pF
ICS1893AF
Document Revision: 5 April 2002
Page 11
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet ICS1893AF.PDF ] | |
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