SERCON410B Datasheet, PDF (16/34 Pages) STMicroelectronics – SERCOS INTERFACE CONTROLLER

SERCON410B
AC ELECTRICAL CHARACTERISTICS (Continued)
Figure 7. Timing of Serial Clock Inputs RxC and TxC and Related Signals
3.4.3 Serial Clock
(SREGEN = 0, external clock regeneration, RxC and TxC are inputs)
Symbol
Parameter
fRTXC
t_RTXC0
tRTXX1
t_RTOUT
t_RXDSU
Clock Frequency RxC, TxC
RxC, TxC Low
RxC, TxC High
Output Delay RxC, TxC to TxD6-1,
TxDNRZ, IDLE, RECACTN
Setup RxD to Falling Edge of RxC
Min.
40
40
Value
Type
15
Max.
10
45
Unit
MHz
ns
ns
ns
ns
Figure 8. Timing of Serial Clock Inputs RxC and TxC and Related Signals
3.4.4 Address Latch
Symbol
Parameter
t_ALEW
tALESU
tALEHD
tDA
12/30
Pulse Width ALEL, ALEH
Setup Time D15-0 To Falling Edge ALEH,
ALEL
Hold Time Falling Edge ALEH, ALEL to D15-0
Delay from D15-0 to A15-0
®
Min.
25
10
5
Value
Type
Max.
20
Unit
ns
ns
ns
ns