sercon410b STMicroelectronics, sercon410b Datasheet - Page 18

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

SERCON410B
AC ELECTRICAL CHARACTERISTICS (Continued)
Figure 10. Read Access of Dual Port RAM
3.4.6 Read Access of Dual Port RAM
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Symbol
t
t
t
MRDD
MBHD
t
t
MBSY
t
t
ASU
AHD
RDZ
RD1
Setup time A10-0, BHEN, MCSN0-1, WRN
(only Motorola mode) to falling edge RDN
(Intel or 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 RDN
(Intel Motorola mode with low active strobe)
or falling edge RDN (Motorola mode with high
active strobe)
Access time RDN to D15-0 valid
Delay RDN to BUSYN low
Delay BUSYN high to D15-0 valid
Delay RDN to D15-0 high-Z
RDN and WRN high after end of read access
Parameter
Min.
30
0
0
Value
Type
Max.
35
30
60
15
Unit
ns
ns
ns
ns
ns
ns
ns