Data Sheet

MCP2515
DS21801D-page 72 Preliminary © 2005 Microchip Technology Inc.
TABLE 13-5: CLKOUT PIN AC CHARACTERISTICS
FIGURE 13-1: START-OF-FRAME PIN AC CHARACTERISTICS
CLKOUT Pin AC/DC Characteristics
Industrial (I): T
AMB = -40°C to +85°C VDD = 2.7V to 5.5V
Extended (E): T
AMB = -40°C to +125°C VDD = 4.5V to 5.5V
Param.
No.
Sym Characteristic Min Max Units Conditions
t
h
CLKOUT
CLKOUT Pin High Time 15 — ns TOSC = 40 ns (Note 1)
t
l
CLKOUT
CLKOUT Pin Low Time 15 — ns TOSC = 40 ns (Note 1)
t
r
CLKOUT
CLKOUT Pin Rise Time — 5 ns Measured from 0.3 VDD to 0.7 VDD
(Note 1)
t
f
CLKOUT
CLKOUT Pin Fall Time — 5 ns Measured from 0.7 VDD to 0.3 VDD
(Note 1)
t
d
CLKOUT
CLOCKOUT Propagation Delay — 100 ns Note 1
15 t
h
SOF
Start-Of-Frame High Time — 2 TOSC ns Note 1
16 t
d
SOF
Start-Of-Frame Propagation
Delay
—2TOSC +
0.5 T
Q
ns Measured from CAN bit sample
point. Device is a receiver.
CNF1.BRP<5:0> = 0 (Note 2)
Note 1: All CLKOUT mode functionality and output frequency is tested at device frequency limits, however, 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