Datasheet

 2013-2014 Microchip Technology Inc. DS20005167C-page 13
MCP2561/2
FIGURE 2-3: TEST LOAD CONDITIONS
FIGURE 2-4: TEST CIRCUIT FOR ELECTRICAL CHARACTERISTICS
2.3 AC Characteristics
Electrical Characteristics: Extended (E): TAMB = -40°C to +125°C and High (H): TAMB = -40°C to +150°C; 
VDD = 4.5V to 5.5V, VIO = 1.8V to 5.5V (Note 2), RL = 60; unless otherwise specified.
Param.
No.
Sym. Characteristic Min. Typ. Max. Units Conditions
1 tBIT Bit Time 1 — 69.44 µs
2 fBIT Bit Frequency 14.4 — 1000 kHz
3 tTXD-BUSON Delay TXD Low to Bus Dominant — — 70 ns
4 tTXD-BUSOFF Delay TXD High to Bus Recessive — — 125 ns
5 tBUSON-RXD Delay Bus Dominant to RXD — — 70 ns
6 tBUSOFF-RXD Delay Bus Recessive to RXD — — 110 ns
7 tTXD - RXD Propagation Delay TXD to RXD — — 125 ns Negative edge on TXD
8 — — 235 Positive edge on TXD
9 tFLTR(WAKE) Delay Bus Dominant to RXD 
(Standby mode)
0.5 1 4 µs Standby mode
10 tWAKE Delay Standby 
to Normal Mode
5 25 40 µs Negative edge on STBY
11 tPDT Permanent Dominant Detect Time — 1.25 — ms TXD = 0V
12 tPDTR Permanent Dominant Timer Reset — 100 — ns The shortest recessive
pulse on T
XD or CAN bus
to reset Permanent
Dominant Timer
VDD/2
CL
RL
Pin Pin
V
SS
VSS
CL
RL = 464 
C
L = 50 pF for all digital pins
Load Condition 1
Load Condition 2
GND
RXD
SPLIT
T
XD
RL
100 pF
30 pF
CANH
CANL
CAN
Transceiver
0.1 µF
V
DD
STBY
Note: On MCP2562, V
IO is connected to VDD.