参数资料
型号: IDT7054S20PRF
厂商: IDT, Integrated Device Technology Inc
文件页数: 2/11页
文件大小: 0K
描述: IC SRAM 32KBIT 20NS 128TQFP
标准包装: 6
格式 - 存储器: RAM
存储器类型: SRAM - 四端口,异步
存储容量: 32K (4K x 8)
速度: 20ns
接口: 并联
电源电压: 4.5 V ~ 5.5 V
工作温度: 0°C ~ 70°C
封装/外壳: 128-LQFP
供应商设备封装: 128-TQFP(14x20)
包装: 托盘
其它名称: 7054S20PRF
IDT7054S/L
High-Speed 4K x 8 FourPort? Static RAM
externally arbitrated or withstand contention when all ports simultaneously
access the same FourPort RAM location.
The IDT7054 provides four independent ports with separate control,
address, and I/O pins that permit independent, asynchronous access for
reads or writes to any location in memory. It is the user’s responsibility to
ensure data integrity when simultaneously accessing the same memory
location from all ports. An automatic power down feature, controlled by CE ,
permits the on-chip circuitry of each port to enter a very low power standby
power mode.
Pin Configurations (1,2,3)
11/14/01
Military, Industrial and Commercial Temperature Ranges
Fabricated using IDT’s CMOS high-performance technology, this
FourPort SRAM typically operates on only 750mW of power. Low-power
(L) versions offer battery backup data retention capability, with each port
typically consuming 50μW from a 2V battery.
The IDT7054 is packaged in a ceramic 108-pin Pin Grid Array (PGA)
and a 128-pin Thin Quad Flatpack (TQFP). The military grade product
is manufactured in compliance with the latest revision of MIL-PRF-38535
QML, making it ideally suited to military temperature applications demand-
ing the highest level of performance and reliability.
81
80
77
74
72
69
68
65
63
60
57
54
R/ W
P2
84
NC
A 11
P2
83
OE
78
A 7
P2
A 8
76
A 5
P2
A 10
73
A 3
P2
A 4
70
A 0
P2
A 1
67
A 0
P3
A 1
64
A 3
P3
A 4
A 5
P3
61
A 10
59
A 7
P3
A 8
56
A 11
P3
OE
R/ W
P3
53
NC
12
11
P2
P2
P2
P2
P2
P3
P3
P3
P3
P3
87
86
82
79
75
71
66
62
58
55
51
50
A 2
P1
A 1
P1
CE
P2
A 9
P2
A 6
P2
A 2
P2
A 2
P3
A 6
P3
A 9
P3
CE
P3
A 1
P4
A 2
P4
10
90
88
85
52
49
47
A 5
P1
92
A 10
P1
91
A 3
P1
A 6
P1
89
A 0
P1
A 4
P1
48
A 0
P4
A 4
P4
46
A 3
P4
A 6
P4
45
A 5
P4
A 10
P4
09
08
95
A 8
P1
94
A 7
P1
93
V CC
IDT7054G
G108-1 (4)
44
GND
43
A 7
P4
42
A 8
P4
07
96
A 9
P1
97
A 11
P1
98
CE
P1
108-Pin PGA
Top View (5)
39
CE
P4
40
A 11
P4
41
A 9
P4
06
99
100
102
35
37
38
R/ W
P1
101
NC
OE
P1
103
I/O 1
I/O 0
P1
106
GND
GND
31
GND
OE
P4
34
I/O 7
36
R/ W
P4
NC
05
04
P1
P4
104
105
1
4
8
12
17
21
25
28
32
33
I/O 2
I/O 3
I/O 6
V CC
GND
V CC
V CC
GND
V CC
I/O 2
I/O 5
I/O 6
03
P1
P1
P1
P4
P4
P4
107
2
5
7
10
13
16
19
22
24
29
30
I/O 4
P1
108
I/O 5
P1
A
3
I/O 7
P1
NC
B
6
I/O 0
P2
I/O 1
P2
C
I/O 2
P2
9
I/O 3
P2
D
I/O 4
P2
11
I/O 5
P2
E
I/O 6
P2
14
I/O 7
P2
F
I/O 1
P3
15
I/O 0
P3
G
I/O 3
P3
18
I/O 2
P3
H
I/O 5
P3
20
I/O 4
P3
J
I/O 7
P3
23
I/O 6
P3
K
I/O 3
P4
26
I/O 0
P4
L
I/O 4
P4
27
I/O 1
P4
M
02
01
INDEX
NOTES:
1. All V CC pins must be connected to the power supply.
2. All GND pins must be connected to the ground supply.
3. Package body is approximately 1.21 in x 1.21 in x .16 in.
4. This package code is used to reference the package diagram.
5. This text does not indicate orientation of the actual part-marking.
6.42
3241 drw 02
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