AT40K20
AT40K05
AT40K10
AT40K40
AT40K05LV
AT40K10LV
AT40K20LV
AT40K40LV
Right Side (Bottom to Top)
84
PLCC
100
PQFP
100
TQFP
144
LQFP
160
PQFP
208
PQFP
240
PQFP
304
352
128 I/O
192 I/O
256 I/O
384 I/O
GND
PQFP(2)
SBGA(2)
I/O77
I/O78
I/O117
I/O118
I/O157
I/O158
I/O235
I/O236
I/O237
I/O238
I/O239(D4)
I/O240
VCC
62
63
59
60
86
87
96
97
126
127
146
147
119
118
R1
P3
I/O79(D4)
I/O80
I/O119(D4)
I/O120
VCC
I/O159(D4)
I/O160
VCC
61
62
63
64
64
65
66
67
61
62
63
64
88
89
90
91
98
99
128
129
130
131
148
149
150
151
117
116
115
114
P2
P1
VCC
100
101
VCC(1)
GND(1)
GND
GND
GND
GND
I/O81
(D3)
I/O121
(D3)
I/O161
(D3)
I/O241
(D3)
65
66
68
69
65
66
92
93
102
103
132
133
152
153
113
112
N2
N4
I/O82
I/O122
I/O162
I/O242
(CHECK)
(CHECK)
(CHECK)
(CHECK)
I/O243
I/O244
I/O245
I/O246
GND
I/O83
I/O84
I/O123
I/O124
I/O163
I/O164
70
67
94
95
104
105
134
135
154
155
111
110
N3
M1
I/O125
I/O126
I/O165
I/O166
I/O167
I/O168
I/O247
I/O248
I/O249
I/O250
I/O251
I/O252
VCC
136
137
156
157
109
108
107
106
M2
M3
M4
L1
VCC(1)
GND(1)
L2
GND
I/O169
I/O170
GND
158
I/O253
I/O254
I/O255
I/O256
I/O257
I/O258
GND
105
104
L3
K2
L4
I/O85
(D2)
I/O127
(D2)
I/O171
(D2)
I/O259
(D2)
67
68
71
72
68
69
96
97
106
107
138
139
159
103
J1
I/O86
I/O128
VCC
I/O172
VCC
I/O260
VCC
160
161
162
102
101
99
K3
VCC(1)
J2
I/O87
I/O129
I/O173
I/O261
98
108
140
Notes: 1. Pads labeled GND or VCC are internally bonded to Ground or VCC planes within the package. They have no direct con-
nection to any specific package pin.
2. This package has an inverted die.
46
AT40K/AT40KLV Series FPGA
0896C–FPGA–04/02
ATMEL [ ATMEL ]
