DECODER OUTPUT — SHORT FRAME (VDD = 5.0 V, TA = – 40 to + 85°C)
Parameter
Symbol
Min
Enable Low Hold Time
th(DOE)L
30
Enable Valid Time
Enable Hold Time
Rising Edge of DDC to Valid DDO
tv(DOE)
15
th(DOE)
15
tv(DDO)
—
Delay Time from 8th DDC Low to DDO Output Disabled
tz(DDO)
—
Max
Unit
—
ns
—
ns
—
ns
40
ns
30
ns
DDC
1
2
3
4
5
6
7
8
DOE
DDO
MSB
LSB
MSB
DDC
th(DOE)L
tv(DOE)
DOE
th(DOE)
tv(DDO)
DDO
MSB
Figure 7. Decoder Output Timing — Short Frame
LSB
tz(DDO)
LSB
MOTOROLA
MC145532
11