ENCODER OUTPUT — SHORT FRAME (VDD = 5.0 V, TA = – 40 to + 85°C)
Parameter
Symbol
Min
Enable Low Hold Time
th(EOE)L
30
Enable Valid Time
Enable Hold Time
Data Valid Time
tv(EOE)
15
th(EOE)
15
tv(EDO)
—
Data Three–State Time (with 150 pF Load)
tz(EDO)
1
Max
Unit
—
ns
—
ns
—
ns
40
ns
30
ns
EDC
1
2
3
4
5
6
7
8
EOE
*
LSB
EDO
MSB
* 32 kbps transcoding rate selected for this frame at EIE
@
LSB
MSB
@ 64 kbps transcoding rate selected for this frame at EIE
EDC
th(EOE)L
tv(EOE)
EOE
EDO
th(EOE)
tv(EDO)
tx(EDO)
MSB
LSB
Figure 3. Encoder Output Timing — Short Frame
MOTOROLA
MC145532
7