PDSP16515A
DAV
DEN
DOS
DATA
O/P
S3:0
Dummy Strobes
(1)
(2)
(3)
TPS
TPW
TPH
(4)
Un-defined
TLZ
TDD
O/P 1
THZ
O/P 1
TOH
Un-defined
Scale Tag Value
In this zone SCLK and DOS requirements have to be met - See "User Notes - stopping DOS"
TVI
O/P 2
Scale Tag Value
O/P N
THZ
Characteristic
Symbol
Min
Max
Units
DEN Set Up Time
TPS
10
ns
Host Strobe Width
TPW
10
ns
DEN Hold Time
TPH
5
ns
DAV in-active going Delay ( 30 pf load )
T
15
ns
VI
Output Enable Time ( see Fig 13 )
TLZ
18
ns
Output Data Delay Time ( 30 pf load )
TDD
18
ns
Output Disable Time ( see Fig 13 )
THZ
18
ns
Read Cycle Time
TRC
25
ns
Old Data Hold Time
TOH
2
ns
Table 3. Host Controlled Output Timing. ( Advanced Data )
AUX
O/P
PDPSDSPP1166551155
DIN
S3:0
SYSTEM
CLOCK
HHOOSSTT
SYSYSSTTEEMM
Figure. 6. Host Controlled System
11