AT89C5131A-TISIL(2004) View Datasheet(PDF) - Atmel Corporation
Part Name
Description
Manufacturer
AT89C5131A-TISIL Datasheet PDF : 34 Pages
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External Data Memory Write
Cycle
ALE
Table 19. AC Parameters for a Variable Clock
Symbol
TRLRH
TWLWH
TRLDV
TRHDX
TRHDZ
TLLDV
TAVDV
TLLWL
TLLWL
TAVWL
TQVWX
TQVWH
TWHQX
TRLAZ
TWHLH
TWHLH
Type
Min
Min
Max
Min
Max
Max
Max
Min
Max
Min
Min
Min
Min
Max
Min
Max
Standard
Clock
6T-x
6T-x
5T-x
x
2T-x
8T-x
9T-x
3T-x
3T+x
4T-x
T-x
7T-x
T-x
x
T-x
T+x
X2 Clock
3T-x
3T-x
2.5 T - x
x
T-x
4T -x
4.5 T - x
1.5 T - x
1.5 T + x
2T-x
0.5 T - x
3.5 T - x
0.5 T - x
x
0.5 T - x
0.5 T + x
X Parameter
20
20
25
0
20
40
60
25
25
25
15
25
10
0
15
15
TWHLH
PSEN
WR
PORT 0
PORT 2
ADDRESS
OR SFR-P2
TLLWL
TWLWH
TLLAX
A0-A7
TAVWL
TQVWX
TQVWH
DATA OUT
ADDRESS A8-A15 OR SFR P2
TWHQX
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
22 AT89C5131A-L
4338A–USB–08/04
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