z89138 ZiLOG Semiconductor, z89138 Datasheet - Page 20

• Manufacturer Part Number: z89138
• Description: Voice Processing Controllers
• Manufacturer: ZiLOG Semiconductor

Z89138/Z89139
Voice Processing Controllers
AC ELECTRICAL CHARACTERISTICS
Handshake Timing Diagrams
20
Data Out
(Output)
(Input)
(Output)
/DAV
Data In
RDY
(Input)
/DAV
RDY
1
7
Data In Valid
Figure 10. Output Handshake Timing
3
Figure 9. Input Handshake Timing
4
P R E L I M I N A R Y
Data Out Valid
Delayed DAV
8
2
10
9
Next Data In Valid
Delayed RDY
Delayed
5
RDY
Delayed DAV
Next Data Out Valid
6
11
DS97TAD0201
Zilog