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MCM6729 Datasheet(PDF) 1 Page - Motorola, Inc

Part No. MCM6729
Description  256K x 4 Bit Fast Static Random Access Memory
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Maker  MOTOROLA [Motorola, Inc]
Homepage  http://www.freescale.com
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MCM6729 Datasheet(HTML) 1 Page - Motorola, Inc

   
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MCM6729
1
MOTOROLA FAST SRAM
256K x 4 Bit Fast Static Random
Access Memory
The MCM6729 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 silicon–
gate BiCMOS technology. Static design eliminates the need for external clocks
or timing strobes.
Output enable (G) is a special control feature that provides increased system
flexibility and eliminates bus contention problems.
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: 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
G
Order this document
by MCM6729/D
MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
PIN ASSIGNMENT
MCM6729
WJ PACKAGE
400 MIL SOJ
CASE 857A–02
32
31
30
29
28
27
26
25
24
23
22
21
2
3
1
5
6
4
7
9
10
8
12
13
11
14
20
15
16
19
18
17
A
A
A
A
E
A
W
A
A
A
VCC
A
A
A
A
DQ2
A
G
DQ3
A
A
A
A
VSS
VCC
VSS
DQ0
DQ1
NC
A
NC
NC
A0 – A17
Address Input
. . . . . . . . . . . . . .
E
Chip Enable
. . . . . . . . . . . . . . . . . . . . . .
W
Write Enable
. . . . . . . . . . . . . . . . . . . .
G
Output Enable
. . . . . . . . . . . . . . . . . . .
DQ0 – DQ3
Data Input/Output
. . . . . . . .
VCC
+ 5 V Power Supply
. . . . . . . . . . . .
VSS
Ground
. . . . . . . . . . . . . . . . . . . . . . .
NC
No Connection
. . . . . . . . . . . . . . . . . .
PIN NAMES
REV 4
5/95
© Motorola, Inc. 1995


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