參數(shù)資料
型號(hào): NSBMC290VF
廠商: National Semiconductor Corporation
英文描述: Burst Mode Memory Controller
中文描述: 突發(fā)模式內(nèi)存控制器
文件頁數(shù): 3/20頁
文件大?。?/td> 318K
代理商: NSBMC290VF
Pin Descriptions
PGA Pin
QFP Pin
Signal
J2
J1
L2
M3
N1
K1
6
5
A0
A1
A2
A3
A4
A5
11
21
12
7
L3
M1
K2
L1
H2
H1
20
10
8
9
3
2
A6
A7
A8
A9
A10
A11
G2
G1
F1
F3
F2
E1
132
131
129
130
128
126
A12
A13
A14
A15
A16
A17
E2
D1
D2
C1
E3
B1
125
124
123
122
127
121
A18
A19
A20
A21
A22
A23
C2
D3
A1
B2
A2
B3
120
118
119
112
110
111
A24
A25
A26
A27
A28
A29
C4
C3
K11
N13
L12
M13
113
115
53
54
55
56
A30
A31
AA0
AA1
AA2
AA3
K13
J12
J13
J11
H11
59
60
61
62
65
AA4
AA5
AA6
AA7
AA8
PGA Pin
QFP Pin
Signal
G13
G12
C11
B11
A12
A11
66
67
87
88
89
90
AA9
AA10
AB0
AB1
AB2
AB3
B9
A9
C9
B8
A7
B7
93
94
95
96
99
100
AB4
AB5
AB6
AB7
AB8
AB9
C7
N6
F11
E13
E12
D13
101
30
71
72
73
74
AB10
BINV
CASA0
CASA1
CASA2
CASA3
A5
B5
A4
B4
L8
M10
105
106
107
108
37
41
CASB0
CASB1
CASB2
CASB3
DBACK
DBLEA
N12
L6
N10
N11
M9
M5
43
31
40
42
39
26
DBLEB
DBREQ
DBTXA
DBTXB
DRDY
DREQ
L4
M4
N8
N7
M11
M12
19
24
35
32
44
45
DREQT0
DREQT1
IBACK
IBREQ
IBTXA
IBTXB
M8
M6
N2
B13
B12
36
29
22
77
80
IRDY
IREQ
IREQT
MWEA
MWEB
PGA Pin
QFP Pin
Signal
K3
M2
N3
L5
N9
N5
15
13
23
28
38
27
OPT0
OPT1
OPT2
PDA
PEN
PIA
N4
G11
A6
A13
C12
D11
25
68
102
78
79
82
R/
*
W
RASA
RASB
Reserved
Reserved
Reserved
L7
G3
L10
J3
A3
A8
34
1
46
14
4
47
Reserved
RESET
RSTOUT
SYSCLK
V
CC
V
CC
B6
B10
D12
E11
F13
H3
57
63
69
75
81
91
V
CC
V
CC
V
CC
V
CC
V
CC
V
CC
H12
L9
L13
A10
C5
C6
97
103
109
33
48
58
V
CC
V
CC
V
CC
V
SS
V
SS
V
SS
C8
C10
C13
F12
H13
K12
64
70
76
86
92
98
V
SS
V
SS
V
SS
V
SS
V
SS
V
SS
L11
M7
104
114
V
SS
V
SS
Note:
In order for the switching characteristics of this device to be guaranteed, it is necessary to connect
all
of the power pins (V
CC
, V
SS
) to the appropriate power
levels. The use of low impedance wiring to the power pins is required. In systems using the Am29000 with its attendant high switching rates, multi-layer printed
circuit boards with buried power and ground planes are required.
3
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