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參數資料
| 型號： | MCM6728BWJ12 |
| 廠商： | MOTOROLA INC |
| 元件分類： | SRAM |
| 英文描述： | 256K x 4 Bit Fast Static Random Access Memory |
| 中文描述： | 256K X 4 STANDARD SRAM, 12 ns, PDSO28 |
| 封裝： | 0.400 INCH, PLASTIC, SOJ-28 |
| 文件頁數： | 1/8頁 |
| 文件大小： | 147K |
| 代理商： | MCM6728BWJ12 |
MCM6728B
1
Motorola, Inc. 1995
256K x 4 Bit Fast Static Random
Access Memory
The MCM6728B is a 1,048,576 bit static random access memory organized
as 262,144 words of 4 bits. This device is fabricated using high performance sili-
con–gate BiCMOS technology. Static design eliminates the need for external
clocks or timing strobes.
This device meets JEDEC standards for functionality and revolutionary pinout,
and is available in a 400 mil plastic small–outline J–leaded package.
Single 5 V
±
10% Power Supply
Fully Static — No Clock or Timing Strobes Necessary
All Inputs and Outputs Are TTL Compatible
Three State Outputs
Fast Access Times: 8, 10, 12 ns
Center Power and I/O Pins for Reduced Noise
BLOCK DIAGRAM
ROW
DECODER
MEMORY
MATRIX
512 ROWS x 512 x 4
COLUMNS
INPUT
DATA
CONTROL
COLUMN I/O
COLUMN DECODER
A
A
A
A
A
A
A
A
DQ0
A
A
A
A
A
E
W
VCC
VSS
A
A
A
A
A
DQ3
Order this document
by MCM6728B/D
SEMICONDUCTOR TECHNICAL DATA
PIN ASSIGNMENT
MCM6728B
WJ PACKAGE
400 MIL SOJ
CASE 810–03
28
27
26
25
24
23
22
21
20
19
18
17
A
A
A
A
E
A
W
A
A
A
VCC
VSS
2
3
1
5
6
4
7
9
10
8
12
13
11
14
A
A
A
A
DQ2
A
A
DQ3
A
A
A
A
16
15
VCC
VSS
DQ0
DQ1
A0 – A17
E
. . . . . . . . . . . . . . . . . . . . . .
W
. . . . . . . . . . . . . . . . . . . .
DQ0 – DQ3
. . . . . . . .
VCC
. . . . . . . . . . . .
VSS
. . . . . . . . . . . . . . . . . . . . . . .
NC
. . . . . . . . . . . . . . . . .
Address Input
Chip Enable
Write Enable
Data Input/Output
+ 5 V Power Supply
. . . . . . . . . . . . .
Ground
No Connection
PIN NAMES
REV 2
5/95
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相關代理商/技術參數 |
參數描述 |
|---|---|
| MCM6728BWJ12R | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:256K x 4 Bit Fast Static Random Access Memory |
| MCM6728BWJ8 | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:256K x 4 Bit Fast Static Random Access Memory |
| MCM6728BWJ8R | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:256K x 4 Bit Fast Static Random Access Memory |
| MCM6729 | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:256K x 4 Bit Fast Static Random Access Memory |
| MCM6729B | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:256K x 4 Bit Fast Static Random Access Memory |
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