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參數(shù)資料
| 型號： | MCM321024 |
| 廠商： | Motorola, Inc. |
| 英文描述： | 1M x 32 Bit Fast Static RAM Module |
| 中文描述： | 100萬× 32位高速靜態(tài)RAM模塊 |
| 文件頁數(shù)： | 1/8頁 |
| 文件大?。?/td> | 80K |
| 代理商： | MCM321024 |
MCM321024
1
Motorola, Inc. 1996
Advance Information
1M x 32 Bit
Fast Static RAM Module
The MCM321024 is an 32M bit static random access memory module orga-
nized as 1,048,576 words of 32 bits. The module is a 72–lead single in–line
memory module (SIMM) consisting of eight MCM6249 fast static RAMs pack-
aged in 32–lead SOJ packages and mounted on a printed circuit board along with
sixteen decoupling capacitors.
The MCM6249 is a high performance CMOS fast static RAM organized as
1,048,576 words of 4 bits. Static design eliminates the need for external clocks
or timing strobes, while CMOS circuitry reduces power consumption and pro-
vides for greater reliability.
The MCM321024 is equipped with output enable (G
)
and four separate byte
enable (E1 – E4) inputs, allowing for greater system flexibility. The G input, when
high, will force the outputs to high impedance. Ex high will do the same for byte x.
PD0 – PD3 are reserved for density identification. PD0 and PD2 are connected
to ground. These pins can be used to identify the density of the memory module.
Single 5 V
±
10% Power Supply
Fast Access Time: 20/25 ns
Three–State Outputs
Fully TTL Compatible
JEDEC Standard Pinout
Power Requirement: 1520/1400 mA Maximum, Active AC
High Board Density SIMM Package
Byte Operation: Four Separate Chip Enables, One for Each Byte (Eight Bits)
High Quality Six–Layer FR4 PWB with Separate Internal Power and
Ground Planes
Incorporates Motorola’s State–of–the–Art Fast Static RAMs
A0 – A19
W
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
G
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
E1 – E4
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DQ0 – DQ31
. . . . . . . . . . . . . . . . . . . . . .
VCC
. . . . . . . . . . . . . . . . . . . . . . . . . . .
VSS
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
PD0 – PD3
. . . . . . . . . . . . . . . . . . . . . . . .
NC
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Address Inputs
Write Enable
Output Enable
Byte Enables
Data Input/Output
+ 5 V Power Supply
. . . . . . . . . . . . . . . . . . . . . . . . . . .
Ground
Package Density
No Connect
For proper operation of the device, VSS must be connected
to ground.
PIN NAMES
This document contains information on a new product. Specifications and information herein are subject to change without notice.
Order this document
by MCM321024/D
SEMICONDUCTOR TECHNICAL DATA
MCM321024
PIN ASSIGNMENT
TOP VIEW
72 LEAD SIMM — CASE TBD
PD0
2
DQ1
DQ2
DQ3
VCC
A7
A8
A9
DQ4
DQ5
DQ6
DQ7
W
A14
E1
VSS
PD1
DQ8
DQ9
DQ10
A0
A1
A2
DQ12
DQ13
DQ14
DQ15
VSS
A15
E2
DQ11
19
21
23
25
27
29
1
3
5
7
9
11
13
15
17
20
22
24
26
28
30
32
4
6
8
10
12
14
16
18
31
DQ0
33
35
34
36
E3
A16
38
40
VSS
DQ16
DQ17
DQ18
DQ19
A10
A11
A12
A13
DQ20
DQ21
DQ22
DQ23
VSS
A19
NC
E4
G
A17
DQ24
DQ25
DQ27
A3
A4
A5
VCC
A6
DQ28
DQ29
DQ30
DQ31
DQ26
55
57
59
61
63
65
37
39
41
43
45
47
49
51
53
56
58
60
62
64
66
68
42
44
46
48
50
52
54
67
A18
NC
69
71
70
72
NC
PD2
NC
PD3
REV 1
11/15/96
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| MCM321024SG20 | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:1M x 32 Bit Fast Static RAM Module |
| MCM321024SG25 | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:1M x 32 Bit Fast Static RAM Module |
| MCM32200 | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:2M x 32 Bit Dynamic Random Access Memory Module |
| MCM32200S10 | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:2M x 32 Bit Dynamic Random Access Memory Module |
| MCM32200S80 | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:2M x 32 Bit Dynamic Random Access Memory Module |
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