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A428316S-25 View Datasheet(PDF) - AMIC Technology

Part Name
Description
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A428316S-25 Datasheet PDF : 23 Pages
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A428316 Series
Truth Table
Function
Standby
Read: Word
Read: Lower Byte
RAS UCAS LCAS WE
OE
H
H
H
X
X
L
L
L
H
L
L
H
L
H
L
Read: Upper Byte
L
L
H
H
L
Write: Word
Write: Lower Byte
L
L
L
L
H
L
H
L
L
H
Write: Upper Byte
L
L
H
L
H
Read-Write
L
L
L
HL LH
EDO-Page-Mode Read: Hi-Z
-First cycle
L
HL HL
H
HL
-Subsequent Cycles
L
HL HL
H
HL
EDO-Page-Mode Write
-First cycle
L
HL HL
L
H
-Subsequent Cycles
L
HL HL
L
H
EDO-Page-Mode Read-Write
-First cycle
L
HL HL HL LH
-Subsequent Cycles
L
HL HL HL LH
Hidden Refresh Read
LHL L
L
H
L
Hidden Refresh Write
LHL L
L
L
X
RAS -Only Refresh
L
H
H
X
X
CBR Refresh
HL
L
L
X
X
Note: 1. Byte Write may be executed with either UCAS or LCAS active.
2. Byte Read may be executed with either UCAS or LCAS active.
3. Only one CAS signal (UCAS or LCAS ) must be active.
Address
X
Row/Col.
Row/Col.
Row/Col.
Row/Col.
Row/Col.
Row/Col.
Row/Col.
I/Os
High-Z
Data Out
I/O0-7 = Data Out
I/O8-15 = High-Z
Notes
I/O0-7 = High-Z
I/O8-15 = Data Out
Data In
I/O0-7 = Data In
I/O8-15 = X
I/O0-7 = X
I/O8-15 = Data In
Data Out Data In 1,2
Row/Col.
Data Out
2
Col.
Data Out
2
Row/Col.
Data In
1
Col.
Data In
1
Row/Col. Data Out Data In 1, 2
Col.
Data Out Data In 1, 2
Row/Col.
Data Out
2
Row/Col. Data In High-Z
1
Row
High-Z
X
High-Z
3
(February, 2009, Version 1.2)
4
AMIC Technology, Corp.

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