IDT72V3652/72V3662/72V3672 3.3V CMOS SyncBiFIFOTM 2,048 x 36 x 2, 4,096 x " />
參數(shù)資料
型號(hào): IDT72V3652L15PF
廠商: IDT, Integrated Device Technology Inc
文件頁(yè)數(shù): 27/29頁(yè)
文件大小: 0K
描述: IC BI FIFO 4096X36 15NS 120QFP
標(biāo)準(zhǔn)包裝: 45
系列: 72V
功能: 異步,同步
存儲(chǔ)容量: 147K(4K x 36)
數(shù)據(jù)速率: 67MHz
訪問(wèn)時(shí)間: 15ns
電源電壓: 3.15 V ~ 3.45 V
工作溫度: 0°C ~ 70°C
安裝類型: 表面貼裝
封裝/外殼: 120-LQFP
供應(yīng)商設(shè)備封裝: 120-TQFP(14x14)
包裝: 托盤
其它名稱: 72V3652L15PF
7
COMMERCIALTEMPERATURERANGE
IDT72V3652/72V3662/72V3672 3.3V CMOS SyncBiFIFOTM
2,048 x 36 x 2, 4,096 x 36 x 2 and 8,192 x 36 x 2
FEBRUARY 4, 2009
DETERMINING ACTIVE CURRENT CONSUMPTION AND POWER DISSIPATION
The ICC(f) current for the graph in Figure 1 was taken while simultaneously reading and writing a FIFO on the IDT72V3652/72V3662/72V3672 with
CLKA and CLKB set to fS. All data inputs and data outputs change state during each clock cycle to consume the highest supply current. Data outputs were
disconnected to normalize the graph to a zero capacitance load. Once the capacitance load per data-output channel and the number of these device's
inputs driven by TTL HIGH levels are known, the power dissipation can be calculated with the equation below.
CALCULATING POWER DISSIPATION
With ICC(f) taken from Figure 1, the maximum power dissipation (PT) of these FIFOs may be calculated by:
PT = VCC x ICC(f) +
Σ(CL x VCC2 X fo)
N
where:
N = number of outputs = 36
CL = outputcapacitanceload
fo = switching frequency of an output
Figure 1. Typical Characteristics: Supply Current (ICC) vs. Clock Frequency (fS)
4660 drw03
A35
A34
A33
A32
VCC
A31
A30
GND
A29
A28
A27
A26
A25
A24
A23
FWFT
A22
VCC
A21
A20
A19
A18
GND
A17
A16
A15
A14
A13
VCC
A12
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
B35
B34
B33
B32
GND
B31
B30
B29
B28
B27
B26
VCC
B25
B24
GND
B23
B22
B21
B20
B19
B18
GND
B17
B16
VCC
B15
B14
B13
B12
GND
90
89
88
87
86
85
84
83
82
81
80
79
78
77
76
75
74
73
72
71
70
69
68
67
66
65
64
63
62
61
91
120
119
118
117
116
115
114
113
112
111
110
109
108
107
106
105
104
103
102
101
100
99
98
97
96
95
94
93
92
VCC
GND
CLKA
ENA
W/
RA
CSA
FFA
/IRA
EFA
/ORA
VCC
AFA AEA
MBF2
MBA
RST1
FS0
GND
FS1
RST2 MBB
MBF1 VCC
AEB AFB
EFB
/ORB
FFB
/IRB
GND
CSB W
/R
B
ENB
CLKB
GND
A11
A10
A
9
A
8
A
7
A
6
GND
A
5
A
4
A
3
VCC
A
2
A
1
A
0
GND
B
0
B
1
B
2
B
3
B
4
B
5
GND
B
6
VCC
B
7
B
8
B
9
B10
B11
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
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