CSP1027 Datasheet, PDF (60/64 Pages) Agere Systems – CSP1027 Voice Band Codec for Cellular Handset and Modem Applications

CSP1027 Voice Band Codec for
Cellular Handset and Modem Applications
Data Sheet
December 1999
11 Timing Characteristics and Requirements (continued)
VOH–
IOCK _VOL–
t24
t24
t23
t23
VOH–
SYNC _VOL–
Figure 43. Serial I/O Active Mode Timing Diagram
5-7622 (F)
Table 31. Timing Characteristics for Active Mode
Abbreviated
Reference
Parameter
t23
Sync Delay (high to valid)
t24
Sync Hold (high to invalid)
5.0 V
3.3 V
3.0 V
Unit
Min Max Min Max Min Max
—
26
—
50
—
55
ns
2
—
2
—
2
—
ns
60
Lucent Technologies Inc.