Datasheet
Table Of Contents
- Features
- Package Types
- Block Diagram
- 1.0 Device Overview
- 2.0 Electrical Characteristics
- 2.1 Terms and Definitions
- 2.1.1 Bus Voltage
- 2.1.2 Common Mode Bus Voltage Range
- 2.1.3 Differential Internal Capacitance, Cdiff (of a CAN node)
- 2.1.4 Differential Internal Resistance, Rdiff (of a CAN node)
- 2.1.5 Differential Voltage, Vdiff (of CAN bus)
- 2.1.6 Internal Capacitance, Cin (of a CAN node)
- 2.1.7 Internal Resistance, Rin (of a CAN node)
- FIGURE 2-1: Physical Layer Definitions
- Absolute Maximum Ratings†
- 2.2 DC Characteristics
- 2.3 AC Characteristics
- 2.4 Timing Diagrams and Specifications
- 2.1 Terms and Definitions
- 3.0 Packaging Information
- Product Identification System
- Appendix A: Revision History
- Worldwide Sales and Service
© 2007 Microchip Technology Inc. DS21667E-page 13
MCP2551
2.4 Timing Diagrams and Specifications
FIGURE 2-4: TIMING DIAGRAM FOR AC CHARACTERISTICS
FIGURE 2-5: TIMING DIAGRAM FOR WAKE-UP FROM STANDBY
FIGURE 2-2: TIMING DIAGRAM FOR BUS DOMINANT TO RXD LOW (STANDBY MODE)
3
5
4
6
0.9V
0.5V
0V
V
DD
TXD (transmit data
input voltage)
VDIFF (CANH,
CANL differential
voltage)
RXD (receive data
output voltage)
0.3 V
DD
0.7 VDD
VTXD = 0.8V
10
0V
V
DD
VRS Slope resistor
input voltage
V
RXD Receive data
output voltage
0.6 VDD
0.3 VDD
VRS = 4V; VTXD = 2V
1.5V
0V
11
VDIFF, Differential
voltage
Receive data
output voltage
0.9V
0.3 V
DD