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参数资料
| 型号： | EDI8F321024C |
| 英文描述： | 1024Kx32 Static RAM CMOS, High Speed Module(1024Kx32高速CMOS静态RAM模块) |
| 中文描述： | 1024Kx32的CMOS静态RAM，高速模块（1024Kx32高速的CMOS静态内存模块） |
| 文件页数： | 1/6页 |
| 文件大小： | 78K |
| 代理商： | EDI8F321024C |
1
EDI8F321024C Rev. 7 3/98 ECO #9798
EDI8F321024C
1024Kx32 SRAM Module
Features
Pin Configurations and Block Diagram
1024Kx32 bit CMOS Static
Random Access Memory
Access Times: 15, 17, 20, 25, and 35ns
Individual Byte Selects
Fully Static, No Clocks
TTL Compatible I/O
High Density Package
72 Pin ZIP, No. 175
72 lead SIMM, No. 176 (Angle)
72 lead SIMM, No. 356 (Straight)
Common Data Inputs and Outputs
Single +5V (±10%) Supply Operation
The EDI8F321024C is a high speed 32 megabit Static RAM
module organized as 1024K words by 32 bits. This module
is constructed from eight 1024Kx4 Static RAMs in SOJ
packages on an epoxy laminate (FR4) board.
Four chip enables (E-E3) are used to independently
enable the four bytes. Reading or writing can be executed
on individual bytes or any combination of multiple bytes
through proper use of selects.
The EDI8F321024C is offered in 72 pin ZIP and 72 lead
SIMMpackages,whichenable32megabitsofmemorytobe
placed in less than 1.3 square inches of board space.
All inputs and outputs are TTL compatible and operate from
a single 5V supply. Fully asynchronous circuitry requires no
clocks or refreshing for operation and provides equal access
and cycle times for ease of use.
Pins PD1- PD4, are used to identify module memory density
inapplicationswherealternatemodulescanbeinterchanged.
NC
PD3
VSS
PD2
DQ8
DQ9
DQ10
DQ11
A
A1
A2
DQ12
DQ13
DQ14
DQ15
VSS
A15
E1
E3
A17
G
DQ24
DQ25
DQ26
DQ27
A3
A4
A5
VCC
A6
DQ28
DQ29
DQ30
DQ31
A18
NC
PD4
PD1
DQ
DQ1
DQ2
DQ3
VCC
A7
A8
A9
DQ4
DQ5
DQ6
DQ7
W
A14
E
E2
A16
VSS
DQ16
DQ17
DQ18
DQ19
A10
A11
A12
A13
DQ20
DQ21
DQ22
DQ23
VSS
A19
NC
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
32
34
36
38
40
42
44
46
48
50
52
54
56
58
60
62
64
66
68
70
72
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
33
35
37
39
41
43
45
47
49
51
53
55
57
59
61
63
65
67
69
71
A-A19
W
G
E
E1
E2
E3
DQ-DQ3
DQ8-DQ11
DQ16-DQ19
DQ24-DQ27
20
4
DQ4-DQ7
DQ12-DQ15
DQ20-DQ23
DQ28-DQ31
4
Electronic Designs Incorporated
One Research Drive Westborough, MA 01581 USA 508-366-5151 FAX 508-836-4850
http://www.electronic-designs.com
PD1 & PD3 = VSS
PD2 & PD4 = Open
Pin Names
A-A19
Address Inputs
E-E3
Chip Enables
W
Write Enable
G
Output Enable
DQ-DQ31
Common Data
Input/Output
VCC
Power (+5V±10%)
VSS
Ground
NC
No Connection
1024Kx32 Static RAM
CMOS, High Speed Module
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