ENC28J60T-I/SS
ENC28J60
Manufacturer
Microchip Technology
Overview
Part: ENC28J60 from Microchip
Type: Stand-Alone Ethernet Controller with SPI Interface
Key Specs:
- SPI Interface Clock Speed: up to 20 MHz
- Transmit/Receive Packet Buffer: 8-Kbyte Dual Port SRAM
- Operating Voltage: 3.1V to 3.6V (3.3V typical)
- Clock Input Requirement: 25 MHz
- Temperature Range: -40°C to +85°C Industrial, 0°C to +70°C Commercial (SSOP only)
Features:
- IEEE 802.3™ Compatible Ethernet Controller
- Integrated MAC and 10Base-T PHY
- Supports Full and Half-Duplex modes
- Programmable Automatic Retransmit on Collision
- Hardware Managed Circular Receive FIFO
- Internal DMA for Fast Data Movement
- Hardware Assisted Checksum Calculation for Various Network Protocols
- Programmable Receive Packet Filtering
- Two Programmable LED Outputs for LINK, TX, RX, Collision and Full/Half-Duplex Status
- 5V Tolerant Inputs
Applications:
- Ethernet network interface for any controller equipped with SPI
- Connecting a microcontroller to an Ethernet network
Package:
- 28-Pin SPDIP
- 28-Pin SSOP
- 28-Pin SOIC
- 28-Pin QFN
Features
- IEEE 802.3™ Compatible Ethernet Controller
- Fully Compatible with 10/100/1000Base-T Networks
- Integrated MAC and 10Base-T PHY
- Supports One 10Base-T Port with Automatic Polarity Detection and Correction
- Supports Full and Half-Duplex modes
- Programmable Automatic Retransmit on Collision
- Programmable Padding and CRC Generation
- Programmable Automatic Rejection of Erroneous Packets
- SPI Interface with Clock Speeds up to 20 MHz
Electrical Characteristics
Absolute Maximum Ratings
- Ambient temperature under bias-40°C to +85°C (Industrial)
- Voltage on VDD, VDDOSC, VDDPLL, VDDRX and VDDTX, with respect to VSS -0.3V to 3.6V
- Voltage on RESET, CS, SCK and SI, with respect to VSS -0.3V to 6.0V
- Voltage on CLKOUT, SO, OSC1, OSC2, LEDA and LEDB, with respect to VSS-0.3V to VDD + 0.3V
- Voltage on TPIN+/- and TPOUT+/- with respect to VSS -0.3V to 5.0V
- VCAP with respect to VSS (Note 1) -0.3V to 2.75V
- ESD protection on all pins 2 kV
- Current sourced or sunk by LEDA, LEDB12 mA
- Current sourced or sunk by CLKOUT 8 mA
- Current sourced or sunk by INT and SO4 mA
Note 1: VCAP is not designed to supply an external load. No external voltage should be applied to this pin.
† Notice: Stresses above those listed under "Maximum Ratings" may cause permanent damage to the device. This is a stress rating only and functional operation of the device at those or any other conditions above those indicated in the operational listings of this specification is not implied. Exposure to maximum rating conditions for extended periods may affect device reliability.
16.1 DC Characteristics: ENC28J60 (Industrial and Commercial)
| DC CHARACTERISTICS | Standard Operating Conditions -40°C TA +85°C, 3.10V VDD 3.60V (Industrial) 0°C TA +70°C, 3.10V VDD 3.60V (Commercial) | ||
|---|---|---|---|
| Param. No. | Sym | Characteristic | Min |
| D001 | VDD | Supply Voltage | 3.10 |
| D002 | VPOR | VDD Power-on Reset Voltage | — |
| D003 | SVDD | VDD Rise Rate to Ensure Internal Power-on Reset Signal | 0.05 |
| VIH | Input High Voltage | ||
| D004 | SCK, CS, SI, RESET | 2.25 | |
| D005 | OSC1 | 0.7 VDD | |
| VIL | Input Low Voltage | ||
| D006 | SCK, CS, SI, RESET | VSS | |
| D007 | OSC1 | VSS | |
| VOH | Output High Voltage | ||
| LEDA, LEDB | VDD – 0.7 | ||
| CLKOUT | VDD – 0.7 | ||
| INT, SO | VDD – 0.7 | ||
| VOL | Output Low Voltage | ||
| LEDA, LEDB | — | ||
| CLKOUT INT, SO | — — | ||
| RPU | Weak Pull-up Resistance | 74K | |
| IIL | Input Leakage Current | ||
| All Input Pins except OSC1 | — | ||
| OSC1 pin | — | ||
| IDD | Operating Current | ||
| Transmitting Ethernet Packets | — | ||
| Active, not Transmitting Ethernet Packets | — | ||
| IDDS | Standby Current (Sleep mode) | — |
| Note 1: | Negative current is defined as current sourced by the pin. |
|---|
TABLE 16-1: AC CHARACTERISTICS: ENC28J60 (INDUSTRIAL AND COMMERCIAL)
| Standard Operating Conditions | |
|---|---|
| AC CHARACTERISTICS | -40°C TA +85°C, 3.10V VDD 3.60V (Industrial) |
| 0°C TA +70°C, 3.10V VDD 3.60V (Commercial) |
TABLE 16-2: OSCILLATOR TIMING CHARACTERISTICS
| Param. No. | Sym | Characteristic | Min | Max | Units | Conditions |
|---|---|---|---|---|---|---|
| FOSC | Clock In Frequency | 25 | 25 | MHz | ||
| TOSC | Clock In Period | 40 | 40 | ns | ||
| TDUTY | Duty Cycle (external clock input) | 40 | 60 | % | ||
| f | Clock Tolerance | — | 50 | ppm |
TABLE 16-3: RESET AC CHARACTERISTICS
| Param. No. | Sym | Characteristic | Min | Max | Units | Conditions |
|---|---|---|---|---|---|---|
| trl | RESET Pin High Time (between Reset events) | 2 | — | s | ||
| tRSTLOW | RESET Pin Low Time to Trigger Reset | 400 | — | ns |
TABLE 16-4: CLKOUT PIN AC CHARACTERISTICS
| Param. No. | Sym | Characteristic | Min | Max | Units | Conditions |
|---|---|---|---|---|---|---|
| t_hCLKOUT | CLKOUT Pin High Time | 16.5 | — | ns | TDUTY = 50% (Note 1) | |
| t_lCLKOUT | CLKOUT Pin Low Time | 16.5 | — | ns | TDUTY = 50% (Note 1) | |
| t_rCLKOUT | CLKOUT Pin Rise Time | — | 3 | ns | Measured from 0.1 VDD to 0.9 VDD, Load = 10 pF (Note 1) | |
| t_fCLKOUT | CLKOUT Pin Fall Time | — | 4 | ns | Measured from 0.9 VDD to 0.1 VDD, Load = 10 pF (Note 1) |
Note 1: CLKOUT prescaler is set to divide by one.
TABLE 16-5: REQUIREMENTS FOR EXTERNAL MAGNETICS
| Parameter | Min | Norm | Max | Units | Conditions |
|---|---|---|---|---|---|
| RX Transformer Turns Ratio | — | 1:1 | — | — | — |
| TX Transformer Turns Ratio | — | 1:1 | — | — | Transformer Center Tap = 3.3V |
| Insertion Loss | 0.0 | 0.6 | 1.1 | dB | — |
| Primary Inductance | 350 | — | — | µH | 8 mA bias |
| Transformer Isolation | — | 1.5 | — | kV | — |
| Differential to Common Mode Rejection | 40 | — | — | dB | 0.1 to 10 MHz |
| Return Loss | -16 | — | — | dB | — |
Absolute Maximum Ratings
- Ambient temperature under bias-40°C to +85°C (Industrial)
- Voltage on VDD, VDDOSC, VDDPLL, VDDRX and VDDTX, with respect to VSS -0.3V to 3.6V
- Voltage on RESET, CS, SCK and SI, with respect to VSS -0.3V to 6.0V
- Voltage on CLKOUT, SO, OSC1, OSC2, LEDA and LEDB, with respect to VSS-0.3V to VDD + 0.3V
- Voltage on TPIN+/- and TPOUT+/- with respect to VSS -0.3V to 5.0V
- VCAP with respect to VSS (Note 1) -0.3V to 2.75V
- ESD protection on all pins 2 kV
- Current sourced or sunk by LEDA, LEDB12 mA
- Current sourced or sunk by CLKOUT 8 mA
- Current sourced or sunk by INT and SO4 mA
Note 1: VCAP is not designed to supply an external load. No external voltage should be applied to this pin.
† Notice: Stresses above those listed under "Maximum Ratings" may cause permanent damage to the device. This is a stress rating only and functional operation of the device at those or any other conditions above those indicated in the operational listings of this specification is not implied. Exposure to maximum rating conditions for extended periods may affect device reliability.
Related Variants
The following components are covered by the same datasheet.
| Part Number | Manufacturer | Package |
|---|---|---|
| ENC28J60 | Microchip Technology | — |
| ENC28J60-I/ML | Microchip Technology | — |
| ENC28J60-I/SO | Microchip Technology | — |
| ENC28J60-I/SP | Microchip Technology | — |
| ENC28J60/SS | Microchip Technology | — |
| ENC28J60T | Microchip Technology | — |
| ENC28J60T-I/SO | Microchip Technology | — |
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