glt440l16 G-Link Technology Corporation, glt440l16 Datasheet - Page 4

• Manufacturer Part Number: glt440l16
• Description: 256k X 16 Cmos Dynamic Ram With Extended Data Output
• Manufacturer: G-Link Technology Corporation

Truth Table: GLT440L16
Notes:
Stanby
Read: Word
Read: Lower Byte
Read: Upper Byte
Write: Word(Early Write)
Write: Lower Byte (Early)
Write: Upper Byte (Early)
Read Write
EDO-Page-
Mode Read
EDO-Page-
Mode Write
EDO-Page-
Mode Read-
Write
Hidden
Refresh
CBR Refresh
1. These READ cycles may also be BYTE READ cycles (either
2. These WRITE cycles may also be BYTE WRITE cycles (either
3. EARLY WRITE only.
4. At least one of the two CAS signals must be active (
RAS
-Only Refresh
Function
G-LINK
1st Cycle
2nd Cycle
1st Cycle
2nd Cycle
1st Cycle
2nd Cycle
Read
Write
L H L
L H L
RAS
H L
H
L
L
L
L
L
L
L
L
L
L
L
L
L
L
Web : www.glink.com.tw
256K X 16 CMOS DYNAMIC RAM WITH EXTENDED DATA OUTPUT
G-Link Technology Corporation,Taiwan
CASL
H L
H L
H L
H L
H L
H L
H
H
H
H
L
L
L
L
L
L
L
L
TEL : [phone]
CASH
H L
H L
H L
H L
H L
H L
H
H
H
H
L
L
L
L
L
L
L
L
- 4 -
UCAS
H L
H L
H L
Email : [e-mail]
WE
H
H
H
H
H
H
H
X
X
X
L
L
L
L
L
or
UCAS
LCAS
L H
L H
L H
OE
UCAS
X
X
X
X
X
X
X
X
L
L
L
L
L
L
L
or
).
ROW/COL Data Out
ROW/COL Lower Byte,Data-Out
ROW/COL Lower Byte,High-Z
ROW/COL Data-In
ROW/COL Lower Byte,Data-In
ROW/COL Lower Byte,High-Z
ROW/COL Data-Out,Data-In
ROW/COL
ROW/COL
ROW/COL
ROW/COL
ROW/COL
ADDRESS
LCAS
or
ROW
COL
COL
COL
LCAS
active).
active).
High-Z
Upper Byte,High-Z
Upper Byte,Data-Out
Upper Byte,High-Z
Upper Byte,Data-In
Data-Out
Data-Out
Data-In
Data-In
Data-Out,Data-In
Data-Out,Data-In
Data-Out
Data-In
High-Z
High-Z
DQs
GLT440L16
Nov. 2004 (Rev.2.6)
Notes
1,2
1,2
1,2
2
2
2
2
2
2
3