peb20954 Infineon Technologies Corporation, peb20954 Datasheet - Page 60

• Manufacturer Part Number: peb20954
• Description: Smart Integrated Digital Echo Canceller Sidec
• Manufacturer: Infineon Technologies Corporation

Preliminary Data Sheet
Table 19
1
2
3a
3b
4a
4b
5a
5b
6a
6b
7a
7b
8a
8b
9
10a
10b
11a
No.
Parameter
Address setup before ALE falling edge
Address hold after ALE falling edge
ALE falling edge before CS active if RD
asserted
ALE falling edge before RD active if CS
asserted
AD output after CS active if RD asserted
AD output after RD active if CS asserted
Read data valid after CS active if RD
asserted
Read data valid after RD active if CS
asserted
ALE rising edge after CS active if RD
asserted
ALE rising edge after CS active if RD
asserted
Read data hold after CS inactive if RD
asserted
Read data hold after RD inactive if CS
asserted
AD tristate after CS inactive if RD asserted
AD tristate after RD inactive if CS asserted
RDY asserted after read data valid
RDY tristate after CS inactive if RD, WR or
DS asserted
RDY tristate after RD, WR or DS inactive if
CS asserted
ALE falling edge before CS rising edge if WR
asserted
(preliminary)
Microprocessor Interface Timing for Figure 29 to Figure 36
60
min.
15
10
0
0
30
30
30
30
100
100
0
0
0
0
15
0
0
25
Limit Values
Operational Description
25
max.
90
90
90
90
25
50
20
20
PEB 20954
PEF 20954
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
04.99