MB84VD23581FJ-70 Datasheet, PDF (35/56 Pages) SPANSION – 64 M ( x 16) FLASH MEMORY & 64 M ( x 16) Mobile FCRAM

MB84VD23581FJ-70
s 64 M FCRAM CHARACTERISTICS for MCP
1. FCRAM Power Down Program Key Table
Basic Key Table
Definition
KEY
A16
A17
Mode Select
A19
A20
A21
Area Select
A19 A20 A21
LLL
LHX
HLX
HHH
AREA
BOTTOM *²
RESERVED
RESERVED
TOP *³
Available Key Table
MODE
NAP
16M Partial
SLEEP
A16
A17
Mode Select
L
L
H
L
H
L
H
H
A16
A17
MODE
L
L
NAP *⁴
L
H
RESERVED
H
L
16M Partial
H
H
SLEEP *^4, *⁵
A19
A20
A21
Area Select
X
X
X
L
L
L
H
H
H
X
X
X
Data Retention
Area
None
Bottom 16M only
Top 16M only
None
*1 : The Power Down Program can be performed one time after compliance of Power-up timings and it
should not be re-programmed after regular Read or Write.
Unspecified addresses, A18 and A15 to A0, can be either High or Low during the programming.
The RESERVED key should not be used.
*2 : BOTTOM area is from the lowest address location. (i.e., A21 to A0 = L)
*3 : TOP area is from the highest address location. (i.e., A21 to A0 = H)
*4 : NAP and SLEEP do not retain the data and Area Select is ignored.
*5 : Default state. Power Down Program to this SLEEP mode can be omitted.
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