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WED2EG472512V5D2 Datasheet(PDF) 4 Page - White Electronic Designs Corporation

Part # WED2EG472512V5D2
Description  16MB (4x512Kx72) SYNC BURST PIPELINE, DUAL KEY DIMM
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Manufacturer  WEDC [White Electronic Designs Corporation]
Direct Link  http://www.whiteedc.com
Logo WEDC - White Electronic Designs Corporation

WED2EG472512V5D2 Datasheet(HTML) 4 Page - White Electronic Designs Corporation

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White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com
White Electronic Designs
WED2EG472512V-D2
Jan, 2000
Rev. A
ADVANCED
White Electronic Designs Corp. reserves the right to change products or specifications without notice.
SYNC BURST - TRUTH TABLE
Note A : All truth Table Functions Repeat for Bank 3 (E3#)and Bank 4 (E4#).
Operation
E1#
E2#
E3#
E4#
ADSP#
ADSC#
ADV#
GW#
G#
CK
DQ
Addr. Used
Deselected Cycle, Power Down; Bank 1
H
X
X
L
X
X
X
L-H
High-Z
None
Deselected Cycle, Power Down; Bank 2
X
H
X
L
X
X
X
L-H
High-Z
None
Read Cycle, Begin Burst; Bank 1
L
H
L
X
X
X
L
L-H
Q
External
Read Cycle, Begin Burst; Bank 1
L
H
L
X
X
X
H
L-H
High-Z
External
Read Cycle, Begin Burst; Bank 2
H
L
L
X
X
X
L
L-H
Q
External
Read Cycle, Begin Burst; Bank 2
H
L
L
X
X
X
H
L-H
High-Z
External
Write Cycle, Begin Burst; Bank 1
L
H
H
L
X
L
X
L-H
D
External
Write Cycle, Begin Burst; Bank 2
H
L
H
L
X
L
X
L-H
D
External
Read Cycle, Begin Burst; Bank 1
L
H
H
L
X
H
L
L-H
Q
External
Read Cycle, Begin Burst; Bank 1
L
H
H
L
X
H
H
L-H
High-Z
External
Read Cycle, Begin Burst; Bank 2
H
L
H
L
X
H
L
L-H
Q
External
Read Cycle, Begin Burst; Bank 2
H
L
H
L
X
H
H
L-H
High-Z
External
Read Cycle, Continue Burst; Bank 1
X
H
X
H
L
H
L
L-H
Q
Next
Read Cycle, Continue Burst; Bank 1
X
H
X
H
L
H
H
L-H
High-Z
Next
Read Cycle, Continue Burst; Bank 2
H
X
X
H
L
H
L
L-H
Q
Next
Read Cycle, Continue Burst; Bank 2
H
X
X
H
L
H
H
L-H
High-Z
Next
Read Cycle, Continue Burst; Bank 1
H
H
X
H
L
H
L
L-H
Q
Next
Read Cycle, Continue Burst; Bank 1
H
H
X
H
L
H
H
L-H
High-Z
Next
Read Cycle, Continue Burst; Bank 2
H
H
X
H
L
H
L
L-H
Q
Next
Read Cycle, Continue Burst; Bank 2
H
H
X
H
L
H
H
L-H
High-Z
Next
Write Cycle, Continue Burst; Bank 1
X
H
H
H
L
L
X
L-H
D
Next
Write Cycle, Continue Burst; Bank 1
H
H
X
H
L
L
X
L-H
D
Next
Write Cycle, Continue Burst; Bank 2
H
X
H
H
L
L
X
L-H
D
Next
Write Cycle, Continue Burst; Bank 2
H
H
X
H
L
L
X
L-H
D
Next
Read Cycle, Suspend Burst; Bank 1
X
H
H
H
H
H
L
L-H
Q
Current
Read Cycle, Suspend Burst; Bank 1
X
H
H
H
H
H
H
L-H
High-Z
Current
Read Cycle, Suspend Burst; Bank 2
H
X
H
H
H
H
L
L-H
Q
Current
Read Cycle, Suspend Burst; Bank 2
H
X
H
H
H
H
H
L-H
High-Z
Current
Read Cycle, Suspend Burst; Bank 1
H
H
X
H
H
H
L
L-H
Q
Current
Read Cycle, Suspend Burst; Bank 1
H
H
X
H
H
H
H
L-H
High-Z
Current
Read Cycle, Suspend Burst; Bank 2
H
H
X
H
H
H
L
L-H
Q
Current
Read Cycle, Suspend Burst; Bank 2
H
H
X
H
H
H
H
L-H
High-Z
Current
Write Cycle, Suspend Burst; Bank 1
X
H
H
H
H
L
X
L-H
D
Current
Write Cycle, Suspend Burst; Bank 1
H
H
X
H
H
L
X
L-H
D
Current
Write Cycle, Suspend Burst; Bank 2
H
X
H
H
H
L
X
L-H
D
Current
Write Cycle, Suspend Burst; Bank 2
H
H
X
H
H
L
X
L-H
D
Current


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