AT90S8515

Manufacturer Part NumberAT90S8515
Description8-bit microcontroller with 8K bytes in-system programmable flash, 2.7-6.0V
ManufacturerATMEL Corporation
AT90S8515 datasheet
 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
Page 81
82
Page 82
83
Page 83
84
Page 84
85
Page 85
86
Page 86
87
Page 87
88
Page 88
89
Page 89
90
Page 90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
Page 85/112:

Parallel Programming Characteristics

Download datasheet (3Mb)Embed
PrevNext
Parallel Programming
Characteristics
0841G–09/01
Figure 63. Parallel Programming Timing
t
XTAL1
XHXL
t
DVXH
Data & Control
(DATA, XA0/1, BS)
WR
RDY/BSY
OE
DATA
Table 30. Parallel Programming Characteristics, T
Symbol
Parameter
V
Programming Enable Voltage
PP
I
Programming Enable Current
PP
t
Data and Control Setup before XTAL1 High
DVXH
t
XTAL1 Pulse Width High
XHXL
t
Data and Control Hold after XTAL1 Low
XLDX
t
XTAL1 Low to WR Low
XLWL
t
BS Valid to WR Low
BVWL
t
BS Hold after RDY/BSY High
RHBX
(1)
t
WR Pulse Width Low
WLWH
t
WR High to RDY/BSY Low
WHRL
t
WR Low to RDY/BSY High
WLRH
t
XTAL1 Low to OE Low
XLOL
t
OE Low to DATA Valid
OLDV
t
OE High to DATA Tri-stated
OHDZ
t
WR Pulse Width Low for Chip Erase
WLWH_CE
WR Pulse Width Low for Programming the Fuse
t
Bits
WLWH_PFB
Notes:
1. Use t
for Chip Erase and t
WLWH_CE
2. If t
is held longer than t
WLWH
AT90S8515
t
XLWL
t
t
XLDX
BVWL
t
WLWH
t
WHRL
t
XLOL
t
OLDV
= 25 ° C ± 10%, V
A
Min
Typ
11.5
67.0
67.0
67.0
67.0
67.0
67.0
67.0
(2)
20.0
(2)
0.5
0.7
67.0
20.0
5.0
10.0
1.0
1.5
for programming the Fuse bits.
WLWH_PFB
, no RDY/BSY pulse will be seen.
WLRH
t
RHBX
t
WLRH
t
OHDZ
= 5V ± 10%
CC
Max
Units
12.5
V
250.0
µA
ns
ns
ns
ns
ns
ns
ns
ns
0.9
ms
ns
ns
20.0
ns
15.0
ms
1.8
ms
85