Datasheet

MCP2515
DS20001801J-page 76  2003-2019 Microchip Technology Inc.
TABLE 13-5: CLKOUT PIN AC CHARACTERISTICS
FIGURE 13-1: START-OF-FRAME PIN AC CHARACTERISTICS
CLKOUT Pin AC/DC Characteristics V
DD
= 2.7V to 5.5V
Industrial (I): T
AMB
= -40°C to +85°C
Extended (E): T
AMB
= -40°C to +125°C
Param.
No.
Sym Characteristic Min Max Units Conditions
t
hCLKOUT
CLKOUT Pin High Time 15 — ns T
OSC
= 40 ns (Note 1)
t
lCLKOUT
CLKOUT Pin Low Time 15 — ns T
OSC
= 40 ns (Note 1)
t
rCLKOUT
CLKOUT Pin Rise Time — 5 ns Measured from 0.3 V
DD
to
0.7 V
DD
(Note 1)
t
fCLKOUT
CLKOUT Pin Fall Time — 5 ns Measured from 0.7 V
DD
to
0.3 V
DD
(Note 1)
t
dCLKOUT
CLKOUT Propagation Delay — 100 ns (Note 1)
15 t
hSOF
Start-of-Frame High Time — 2 T
OSC
ns (Note 1)
16 t
dSOF
Start-of-Frame Propagation
Delay
—2 T
OSC
+ 0.5 T
Q
ns Measured from CAN bit sample
point; device is a receiver,
BRP[5:0] (CNF1[5:0]) = 0
(Note 2)
Note 1: All CLKOUT mode functionality and output frequency are tested at device frequency limits; however,
the CLKOUT prescaler is set to divide by one. This parameter is periodically sampled and not 100% tested.
2: Design guidance only, not tested.
RXCAN
16
15
Sample Point