PDSP16488A MA
Value
Max.
Characteristic
Symbol
Units
ns
Notes
Min.
T
†
Delay from Data Strobe to MASTER PC1
50
50
30
PCD
T
†
†
Delay from PC0 Input to Write in-active
PC1 In-Active Delay
ns
ns
5
WH
T
PCH
T
ns
†
250
Write from MASTER In-Active
WW
T
†
†
Write In-Active to new Address
EPROM Data Set Up Time
AD
ns
ns
T
20
10
DS
†
†
ns
ns
Data Strobe from MASTER
Chip Enable Set Up Time
T
Single device
RW
T
0
CSU
†
†
†
†
Chip Enable Hold Time
T
CH
0
ns
ns
T
Availible EPROM Access Time
Expansion In to Data Out
PC0 to PC1 Delay
200
DA
T
DEL
30
50
ns
ns
T
Greater than T
at aatllatellemtmppss
EXP
DEL
T
RW
T
WH
DS from
MASTER
T
WW
T
PCD
PC1 from
MASTER
T
EXP
PC1 from next Device
T
PCH
PC1 from Last Device
[ PC0 to MASTER ]
VALID
EPROM
VALID
ADDRESS
T
AD
T
DS
EPROM
DATA
VALID
T
DA
T
CSU
CE
T
DEL
T
CH
Data O/P from
First Device
VALID
T
DEL
Data O/P from
Second Device
VALID
Fig. 9. EPROM Timing
16
MITEL [ MITEL NETWORKS CORPORATION ]
