PEB22554 SIEMENS [Siemens Semiconductor Group], PEB22554 Datasheet - Page 373

• Manufacturer Part Number: PEB22554
• Description: ICs for Communications
• Manufacturer: SIEMENS [Siemens Semiconductor Group]

Figure 81
Siemens/Intel Write Cycle Timing
Table 35
Siemens/Intel Bus Interface Timing Parameter Values
No.
1
2
3
3A
4
5
6
7
7A
8
9
10
11
11A
12
Semiconductor Group
CS
WR
RD
D7 D0
(D15...
...
D8)
Parameter
Address, BHE setup time
Address, BHE hold time
CS setup time
CS hold time
Address, BHE stable before ALE inactive
Address, BHE hold after ALE inactive
ALE pulse width
Address latch setup time before cmd active
ALE to command inactive delay
RD pulse width
RD control interval
Data valid after RD active
Data hold after RD inactive
RD inactive to data bus tristate
WR to RD or RD to WR control interval
13
15
16
14
1)
373
min.
15
0
0
0
20
10
30
0
30
80
70
10
70
12
Limit Values
max.
75
30
PEB 22554
ITT06471
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Unit
ns
ns
09.98