peb2035 ETC-unknow, peb2035 Datasheet - Page 123

• Manufacturer Part Number: peb2035
• Description: Communications Advanced Cmos Frame Aligner
• Manufacturer: ETC-unknow

Figure 21
DMA Timing
DMA Timing
Semiconductor Group
Parameter
RDQ to DATA valid
DATA float after RDQ
RDQ pulse width
RDQ control interval
RREQ reset after RDQ
DATA setup before end of write
DATA hold after WRQ
WRQ pulse width
WRQ control interval
XREQ reset after WRQ
ACKNLQ x RDQ
D0 - D7
RREQ
ACKNLQ x WRQ
D0 - D7
XREQ
I/O Read Cycle
I/O Write Cycle
t
DRD
t
t
DWW
DRR
123
t
DDW
Symbol
t
t
t
t
t
t
t
t
t
t
DRD
DDF
DRR
DRI
RRE
DDW
DWD
DWW
DWI
XRE
Data
Data
t
t
DDF
DWD
min.
10
100
70
35
10
70
70
t
t
DWI
DRI
t
t
RRE
XRE
Limit Values
ITT00552
max.
90
30
120
120
PEB 2035
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns