am49lv128bm Meet Spansion Inc., am49lv128bm Datasheet - Page 61
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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PSRAM AC CHARACTERISTICS
Read Operation
Notes:
1. Maximum value is applicable if CE1# is kept at Low
2. Address should not be changed within minimum t
3. The output load 50pF.
4. The output load 5pF.
5. Applicable to A3 to A20 when CE1# is kept at Low.
June 17, 2004
without change of address input of A3 to A20.
Address Hold Time from CE1# High (Note 9)
LB#/UB# High to Output High-Z (Note 3)
LB#/UB# Low to Output High-Z (Note 4)
Page Address Access Time (Notes 3,6)
CE1# High to Output High-Z (Note 3)
Page Read Cycle Time (Notes 1,6,7)
CE1# Low to Output Low-Z (Note 4)
OE# High to Output High-Z (Note 3)
OE# Low to Output Low-Z (Note 4)
Address Hold Time from OE# High
Address Setup Time to CE1# Low
Address Access Time (Notes 3,5)
Address Setup Time to OE# Low
Address Invalid Time (Notes 5,8)
Output Data Hold Time (Note 3)
LB#/UB# Access Time (Note 3)
Read Cycle Time (Notes 1, 2)
CE1# Access Time (Note 3)
OE# Access Time (Note 3)
CE1# High Pulse Width
Parameter
RC.
Am49LV128BM
6. Applicable only to A0, A1 and A2 when CE1# is kept at Low
7. In case Page Read Cycle is continued with keeping CE1#
8. Applicable when at least two of address inputs among
9. t
for the page address access.
stays Low, CE1# must be brought to High within 4 µs. In
other words, Page Read Cycle must be closed within 4 µs.
applicable are switched from previous state.
Symbol
RC
t
t
t
t
t
t
t
CHAH
OHAH
t
t
t
t
t
t
t
t
PRC
t
CHZ
OHZ
ASC
ASO
t
t
t
PAA
CLZ
OLZ
BHZ
t
BLZ
RC
CE
OE
OH
CP
(min) and t
AA
BA
AX
PRC
(min) must be satisfied.
Min.
65
25
10
12
-5
-5
-5
–
–
–
–
–
5
5
0
0
–
–
–
–
Value
Max.
1000
1000
65
40
65
30
20
20
20
20
–
–
–
–
–
–
–
–
–
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
59
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