PDSP16488A Datasheet, PDF (19/33 Pages) Mitel Networks Corporation – Single Chip 2D Convolver with Integral Line Delays

Switching Characteristics for EPROM mode
Characteristic
Delay from DS low to Master PC1
Delay from PC0 low to DS high
Delay from DS high to PC1 high
DS high time
DS high to new EPROM address
EPROM data setup time
DS low time
CE setup time
CE hold time
EPROM data access time
Expansion in to data out
PC0 to PC1 delay
Symbol
Value
Units
Min. Max.
Conditions
t_PCD
50 ns
t_WH
5
ns
t_PCH
50 ns
t_WW 250
ns
t_AD
30 ns
t_DS
20
ns
t_RW
10
ns Single device
t_CSU
0
ns
t_CH
0
ns
t_DA
200
ns
t_DEL
30 ns
t_EXP
50 ns Greater than t_DEL at all temperatures
DS FROM MASTER
PC1 FROM MASTER
PC1 FROM NEXT DEVICE
PC1 FROM LAST DEVICE
(PC0 TO MASTER)
EPROM ADDRESS
EPROM DATA
CE
t RW
tWW
t WH
t PCD
tEXP
tPCH
VALID
t AD
VALID
tDA
t DS
VALID
tCSU
t CH
DATA OUTPUT FROM FIRST DEVICE
DATA OUTPUT FROM SECOND DEVICE
tDEL
VALID
tDEL
VALID
Fig. 11 EPROM timing
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