KSZ8864

The KSZ8864RMN is a highly-integrated, Layer 2 managed 4-port switch with optimized design, plentiful features and smallest package size.  The KSZ8864 supports Automotive applications. 

It is designed for cost-sensitive 10/100Mbps 4-port switch systems with on-chip termination, lowest-power consumption, and small package to save system cost. It has 1.4Gbps high-performance memory bandwidth, shared memory-based switch fabric with full non-blocking configuration.

It also provides an extensive feature set such as the power management, programmable rate limiting and priority ratio, tag/port-based VLAN, packet filtering, quality of service (QoS), four queue prioritization, management interface, MIB counters. Port 3 and Port 4 support either MII or RMII interfaces with SW3-MII/RMII and SW4-MII/RMII for KSZ8864RMN data interface. The KSZ8864RMN provides multiple CPU control/data interfaces to effectively address both current and emerging fast Ethernet applications.

The KSZ8864RMN consists of 10/100 fast Ethernet PHYs with patented and enhanced mixed-signal technology, media access control (MAC) units, a high-speed non-blocking switch fabric, a dedicated address lookup engine, and an on-chip frame buffer memory.

The KSZ8864RMN contains four MACs and two PHYs. The two PHYs support the 10/100Base-T/TX. All registers of MACs and PHYs units can be managed by the control interface of SPI or the SMI. MIIM registers of the PHYs can be accessed through the MDC/MDIO interface. EEPROM can set all control registers by I2C controller interface for the unmanaged mode.

Microchip's complimentary and confidential LANCheck® online design review service is available for customers who have selected our products for their application design-in. The  is subject to  and requires a myMicrochip account.

Features
  • Fully managed 4-port 10/100Mbps switch with dual MII/RMII interfaces
  • IEEE802.1q VLAN
  • QoS packet prioritization
  • IEEE802.1d rapid spanning tree protocol (RSTP)
  • Programmable rate limiting at the ingress and egress on a per port and priority basis
  • Source MAC address filtering for ring support
  • MIB counters for fully compliant statistics, gathering 34 MIB counters per port
  • Ultra-low power consumption with integrated line termination
  • Single 3.3V supply with internal 1.2V LDO controller
  • Flexible VDDIO support 3.3V, 2.5V, and 1.8V
  • AEC-Q100 qualified
  • Industrial temperature range: -40°C to +85°C
  • Small 64-Pin 8mm x 8mm QFN
Parameter
Parameter Name Value Value
Description 4-Port 10/100 Ethernet Switch with 2x MAC, MII/RMII 4-Port 10/100 Ethernet Switch with 2x MAC, MII/RMII
Ethernet Bandwidth 10Base-T/100Base-TX 10Base-T/100Base-TX
MAC 4 4
PHY 2 2
TX/RX RAM Buffer(Bytes) n/a n/a
Interrupt Pin Yes Yes
LEDs 4 4
Op. Voltage (V) 3.3 3.3
# Ethernet Ports 4 4
Interface MII/RMII MII/RMII
Temp. Range Min. (°C) -40 -40
Temp. Range Max. (°C) 85 85
Host Interface MII/RMII MII/RMII
Dual MII Support Yes Yes
Automotive Yes Yes
# of Ether Ports 4 4
Managed Yes Yes
Copper Support 10/100(2) 10/100(2)
MII Yes (2) Yes (2)
RMII Yes (2) Yes (2)
Supply Voltage (V) 3.3 3.3
Vdd I/O (V) 1.8/2.5/3.3 1.8/2.5/3.3
LinkMD Cable Diag Yes Yes
Int Term Yes Yes
Pin-Pin With KSZ8864RMN KSZ8864RMN
ESD Rating (KV) 5KV 5KV
Smart Power Adjust Yes Yes
Largest Pkt-Size Bytes 2000 2000
IPV6 Yes Yes
# of VLAN 128 128
Flow Ctrl Yes Yes
Rate Limiting Yes Yes
Rapid Spanning Tree Yes Yes
Static MAC Addr Yes Yes
Documents
KSZ8864CNX_RMNUB Integrated 4-Port 10/100 Mgd Switch with 2 MACs MII or RMII IntData Sheets11/05/20151544KB
KSZ8895/KSZ8864 - Silicon Errata & Data Sheet ClarificationErrata05/09/2016293KB
Migration from KSZ8864RMN_RMNU to KSZ8864CNX_RMNUBMigration Documents10/15/201576KB
AN2157 - Transient Protection in Power Over Ethernet ApplicationsAppNote05/24/2016229KB
Micrel AN 109 - Unmanaged Ethernet Redundant RingAppNote10/02/201567KB
Micrel AN 114 - Virtual LANAppNote10/02/201585KB
Micrel AN 24 - Ethernet over POFAppNote10/01/2015149KB
Micrel AN 25 - EtherSynch - Synchronization PerfectedAppNote10/01/2015267KB
Micrel AN 27 - Fast Ethernet: Delivery of Data in Industrial ApplicationsAppNote10/01/2015108KB
Micrel AN 31 - General PCB Design and Layout GuidelinesAppNote10/01/2015104KB
Micrel AN 32 - Get in Sync!AppNote10/01/20151432KB
Micrel AN 44 - Interfacing Fast Ethernet to ProcessorsAppNote10/01/2015149KB
Micrel AN 45 - Interfacing Fast Ethernet Transceivers to MAC ProcessorsAppNote10/01/2015122KB
Micrel AN 57 - Management Interfaces for Micrel SwitchesAppNote10/02/2015171KB
Micrel AN 8 - Capacitive Coupling Ethernet Transceivers without Using TransformersAppNote09/30/2015103KB
Micrel AN 81 - PHY Speed and Duplex ConfigurationAppNote10/02/2015132KB
Micrel AN 91 - Reducing Maintenance Costs With Cable Diagnosis and Micrels LinkMDAppNote10/02/2015420KB
Micrel ANLAN207 - Management Interfaces for Micrel SwitchesAppNote11/12/2015171KB
KSZ8895 Linux driver for revision 3.14 taredSoftware Library01/21/2016
KSZ8895 Linux driver for revision 3.18 taredSoftware Library01/21/2016
KSZ8895 Linux driver for revision 3.3 taredSoftware Library01/21/2016
KSZ8864CNX_RMNUB_DP_V1.5.zipDesign Guides02/19/20165835KB
Ordering Information
Part NumberLeadsPackage TypeTemp RangePacking1+26+100+1000+5000+
KSZ8864CNXCA64VQFN0C to +70CTRAY5.434.534.123.803.61
KSZ8864CNXIA64VQFN-40C to +85CTRAY6.105.084.624.274.05
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RoHS Information
PartNumberDeviceWeightShippingWeightLeadCountPackageTypePackageWidthSolderCompositionJEDECIndicatorRoHSChinaEFUP
KSZ8864RMNUB-TR0.1775000.78800064VQFN8x8x0.9mmMatte Tine3
KSZ8864CNXCA-TR0.1775000.78800064VQFN8x8x0.9mmMatte Tine3
KSZ8864CNXIA0.1775001.02692364VQFN8x8x0.9mmMatte Tine3
KSZ8864RMN0.1750000.79885164VQFN8x8x0.9mmNiPdAue4
KSZ8864RMNI0.1750000.79885164VQFN8x8x0.9mmNiPdAue4
KSZ8864RMNUB0.1775001.02692364VQFN8x8x0.9mmMatte Tine3
KSZ8864CNXIA-TR0.1775000.78800064VQFN8x8x0.9mmMatte Tine3
KSZ8864CNXCA0.1775001.02692364VQFN8x8x0.9mmMatte Tine3
KSZ8864CNX_RMNUB Integrated 4-Port 10/100 Mgd Switch with 2 MACs MII or RMII Int KSZ8864
KSZ8895/KSZ8864 - Silicon Errata & Data Sheet Clarification KSZ8895
Migration from KSZ8864RMN_RMNU to KSZ8864CNX_RMNUB KSZ8864CNX-EVAL
AN2157 LAN9353
Micrel AN 109 KSZ8995
Micrel AN 114 KSZ8999
Micrel AN 24 KSZ8999
Micrel AN 25 KSZ8999
Micrel AN 27 KSZ8999
Micrel AN 31 KSZ8999
Micrel AN 32 KSZ8999
Micrel AN 44 KSZ8997
Micrel AN 45 KSZ8999
Micrel AN 57 KSZ8993
Micrel AN 8 KSZ8999
Micrel AN 81 KSZ8895
Micrel AN 91 KSZ8999
Micrel ANLAN207 KSZ8895
KSZ8864CNX_RMNUB_DP_V1.5.zip KSZ8864
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