CSP1027 Datasheet, PDF (58/64 Pages) Agere Systems – CSP1027 Voice Band Codec for Cellular Handset and Modem Applications

CSP1027 Voice Band Codec for
Cellular Handset and Modem Applications
11 Timing Characteristics and Requirements (continued)
11.3 Reset
VIH–
CLK _VIL–
VIH–
RSTB _VIL–
VOH–
CKO1 _VOL–
VOH–
CKO2 _VOL–
t5
t4
t6
Note: CKO1 and CKO2 are active during reset and synchronized by the rising edge of reset.
Figure 41. Reset Timing
Table 28. Timing Requirements for Reset Timing
Abbreviated
Parameter
Min
Reference
t4
Reset Hold (high to change)
2
t5
Reset Setup (valid to high)
4
t6
Reset Pulse (low to high)
6T
Data Sheet
December 1999
5-7620 (F)
Max
Unit
—
ns
—
ns
—
ns
58
Lucent Technologies Inc.