sercon410b STMicroelectronics, sercon410b Datasheet - Page 20

• Manufacturer Part Number: sercon410b
• Description: Sercos Interface Controller
• Manufacturer: STMicroelectronics

SERCON410B
AC ELECTRICAL CHARACTERISTICS (Continued)
Figure 12. Write Access to DUAL Port RAM
3.4.8 Write Access to Dual Port RAM
16/30
Symbol
t
t
MBHWH
t
MWRW
t
t
t
t
t
MBSY
ASU
AHD
DSU
DHD
WR1
Setup time A10-0, BHEN, MCSN0-1, WRN
(only Motorola mode) to falling edge of
WRN (Intel mode) or RDN (Motorola mode
with low active strobe) or rising edge RDN
(Motorola mode with high active strobe)
Hold time A10-0, BHEN, MCSN0-1, WRN
(only Motorola mode) to rising edge of WRN
(Intel mode) or RDN (Motorola mode with low
active strobe) or rising edge RDN (Motorola
mode with high active strobe)
Pulse width WRN or RDN
Setup time D15-0 to end of write access
Hold time D15-0 after end of write access
Delay WRN or RDN (begin of write access)
to BUSYN low
Setup time BUSYN high to end of write
access
WRN and RDN high after end of write
access
Parameter
Min.
30
10
10
30
40
0
0
Value
Type
Max.
35
Unit
ns
ns
ns
ns
ns
ns
ns
ns