A42L8316S-30 AMICC [AMIC Technology], A42L8316S-30 Datasheet - Page 5

• Manufacturer Part Number: A42L8316S-30
• Description: 256K X 16 CMOS DYNAMIC RAM WITH EDO PAGE MODE
• Manufacturer: AMICC [AMIC Technology]

Truth Table
Note:
PRELIMINARY
Function
Standby
Read: Word
Read: Lower Byte
Read: Upper Byte
Write: Word
Write: Lower Byte
Write: Upper Byte
Read-Write
EDO-Page-Mode Read: Hi-Z
EDO-Page-Mode Write
EDO-Page-Mode Read-Write
Hidden Refresh Read
Hidden Refresh Write
CBR Refresh
Self Refresh
RAS -Only Refresh
-First cycle
-Subsequent Cycles
-First cycle
-Subsequent Cycles
-First cycle
-Subsequent Cycles
1. Byte Write may be executed with either
2. Byte Read may be executed with either
3. Only one
(August, 2002, Version 0.1)
CAS
signal (
L H L
L H L
H L
H L
RAS
UCAS
H
L
L
L
L
L
L
L
L
L
L
L
L
L
L
UCAS LCAS
or
H L
H L
H L
H L
H L
H L
H
H
H
H
L
L
L
L
L
L
L
L
L
LCAS
UCAS
UCAS
H L
H L
H L
H L
H L
H L
) must be active.
H
H
H
H
L
L
L
L
L
L
L
L
L
or
or
LCAS
4
LCAS
H L
H L
H L
WE
X
H
H
H
H
H
H
X
X
H
L
L
L
L
L
L
active.
active.
L H
H L
H L
L H
L H
OE
H
H
H
H
H
X
L
L
L
L
X
X
X
X
Address
Row/Col.
Row/Col.
Row/Col.
Row/Col.
Row/Col.
Row/Col.
Row/Col.
Row/Col.
Row/Col.
Row/Col.
Row/Col.
Row/Col.
Row
Col.
Col.
Col.
X
X
X
AMIC Technology, Inc.
Data Out
Data Out
Data Out
I/O
A42L8316 Series
Data In
I/O
I/O
I/O
I/O
I/O
8-15
0-7
I/O
8-15
8-15
I/O
Data Out
0-7
Data Out
Data Out
Data Out
0-7
Data In
Data In
Data In
High-Z
High-Z
High-Z
High-Z
= Data Out
= Data Out
I/Os
8-15
= Data In
0-7
= High-Z
= Data In
= High-Z
= X
= X
High-Z
Data In
Data In
Data In
Notes
1, 2
1, 2
1,2
2
2
1
1
2
1
3