am49lv128bm Meet Spansion Inc., am49lv128bm Datasheet - Page 57
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am49lv128bm
Manufacturer Part Number
am49lv128bm
Description
Stacked Multi-chip Package Mcp ,128 Megabit 8 M ? 16-bit ,uniform Sector Flash Memory And 32 Mbit 2 M ? 16-bit Pseudo-static Ram With Page Mode Featuring Mirrorbit Technology,supplemental Datasheet
Manufacturer
Meet Spansion Inc.
Datasheet
1.AM49LV128BM.pdf
(98 pages)
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FUNCTION TRUTH TABLE
Note:
1.
2. Power Down mode can be entered from Standby state and all DQ
3. Can be either V
June 17, 2004
Should not be kept this logic condition longer than 1 µs.
pins are in High-Z state. Data retention depends on the selection
of Power Down Program. Refer to Power down for details.
Output Disable (No Read)
Output Disable (Note 1)
Power Down (Note 2)
Standby (Deselect)
Read (Upper Byte)
Read (Lower Byte)
Write (Upper Byte)
Write (Lower Byte)
Read (Word)
Write (Word)
No Write
Mode
IL
or V
IH
but must be valid for read or write.
CE2
H
H
L
CE1#
H
X
L
Am49LV128BM
WE#
X
H
H
X
L
H (Note 4)
4. OE# can be VIL during Write operation if the following conditions
OE#
X
H
L
are satisfied; Write pulse is initiated by CE1# (refer to CE1#
Controlled Write timing), or cycle time of the previous operation
cycle is satisfied, OE stays during Write cycle.
LB#
H
H
H
H
H
X
L
L
L
L
X
UB#
H
H
H
H
X
X
L
L
L
L
X
(Note 3)
A20-0
Valid
Valid
Valid
Valid
Valid
Valid
Valid
Valid
X
X
DQ7-0
High-Z
High-Z
High-Z
High-Z Output Valid
Output
Output
Invalid
Invalid
High-Z
Input
Input
Valid
Valid
Valid
Valid
Output Valid
Input Valid
Input Valid
DQ15-8
High-Z
High-Z
High-Z
High-Z
High-Z
Invalid
Invalid
55
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