TS80C31X2-VCAD View Datasheet(PDF) - Atmel Corporation
Part Name
Description
Manufacturer
TS80C31X2-VCAD Datasheet PDF : 42 Pages
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TS80C31X2
7.5.2 External Program Memory Characteristics
Symbol
T
TLHLL
TAVLL
TLLAX
TLLIV
TLLPL
TPLPH
TPLIV
TPXIX
TPXIZ
TPXAV
TAVIV
TPLAZ
Table 18. Symbol Description
Parameter
Oscillator clock period
ALE pulse width
Address Valid to ALE
Address Hold After ALE
ALE to Valid Instruction In
ALE to PSEN
PSEN Pulse Width
PSEN to Valid Instruction In
Input Instruction Hold After PSEN
Input Instruction FloatAfter PSEN
PSEN to Address Valid
Address to Valid Instruction In
PSEN Low to Address Float
Speed
Symbol
T
TLHLL
TAVLL
TLLAX
TLLIV
TLLPL
TPLPH
TPLIV
TPXIX
TPXIZ
TAVIV
TPLAZ
Table 19. AC Parameters for Fix Clock
-M
40 MHz
Min Max
25
40
10
10
70
15
55
35
0
18
85
10
-V
X2 mode
30 MHz
60 MHz equiv.
-V
standard mode
40 MHz
-L
X2 mode
20 MHz
40 MHz equiv.
-L
standard mode
30 MHz
Min Max Min Max Min Max Min Max
33
25
50
33
25
42
35
52
4
12
5
13
4
12
5
13
45
78
65
98
9
17
10
18
35
60
50
75
25
50
30
55
0
0
0
0
12
20
10
18
53
95
80
122
10
10
10
10
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
32
Rev. C - 15 January, 2001
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