
PROCESSOR
TECHNOLOGY
CORPORATION
8KRA
STATIC
READ/WRITE
MEMORY
MODULE
CONTENTS
SECTION
TITLE
PAGE
I
INTRODUCTION
and
GENERAL
INFORMATION
1.1
Introduction
..................................
1-1
1.2
General
Information
............................
1-1
1.2.1
8KRA
Memory
Description
................
I-rl
1.2.2
Receiving
Inspection
....................
1-2
1.2.3
Warranty
Information
....................
1-2
1.2.4
Replacement
Parts
......................
1-2
1.2.5
Factory
Service
........................
1-2
II
ASSEMBLY
2.1
Parts
and
Components
.............................
II-l
2.2
Assembly
Tips
.....................................
II-l
2.3
Assembly
Precautions
..........................
II-l
2.3.1
Handling
MOS
Integrated
Circuits
........
II-l
2.3.2
Soldering
.................................
II-4
2.3.3
Installing
and
Removing
8KRA
...............
II-4
2.3.4
Installing
and
Removing
Integrated
Circuits
...................................
II-4
2.3.5
Use
of
Clip
Leads
.........................
II-4
2.4
Required
Tools,
Equipment
and
Materials
........
II-4
2.5
Orientation
.......................................
II-5
2.6
Assembly
Procedure
............................
II-5
III
OPTION
SELECTION
3.1
Option
Selection
..............................
III-l
3.2
Waiting
Time
Option
(Area
A)
....................
III-l
3.3
Power-up
Initialization
(Area
B)
..............
III-l
3.4
Memory
Disable
Option
(Area
C)
................
III-2
3.5
Starting
Address
Selection
....................
III-3
IV
THEORY
OF
OPERATION
4.1
General
Description
............................
IV-
1
4.2
Read
Operation
...................................
IV-1
4.3
Write
Operation
................................ IV-
2
4.4
Wait
States
.................................... IV-
3
4.5
Power
Supply
..................................
IV-
4