DECODER OUTPUT — LONG FRAME (VDD = 5.0 V, TA = – 40 to + 85°C)
Parameter
Symbol
Min
Enable Low Hold Time
th(DOE)L
30
Enable Valid Time
Rising Edge of DDE to Valid DDO (When DDC is High)
Rising Edge of DDC to Valid DDO (When DOE is High)
tv(DOE)
15
tDOE–DDO
—
tDDC–DDO
—
Delay Time from 8th DDC Low or DOE Low to DDO Output Disabled
tz(DDO)
0
Max
Unit
—
ns
—
ns
40
ns
45
ns
30
ns
DDC
1
2
3
4
5
67
8
DOE
DDO
MSB
MSB
DDC
th(DOE)L
DOE
tDDC–DDO
DDO
tv(DOE)
tDOE–DDO
MSB
Figure 8. Decoder Output Timing — Long Frame
MC145532
12
MOTOROLA