AM29F002BT-70JC Spansion Inc., AM29F002BT-70JC Datasheet - Page 13

• Manufacturer Part Number: AM29F002BT-70JC
• Description: Flash Memory IC
• Manufacturer: Spansion Inc.

Specifications of AM29F002BT-70JC

• Memory Size: 2Mbit
• Memory Configuration: 256K X 8
• Ic Interface Type: Parallel
• Access Time: 70ns
• Memory Case Style: PLCC
• No. Of Pins: 32
• Operating Temperature Range: 0°C To +70°C
• Termination Type: SMD

Autoselect Mode
T he a u to s e l e c t m od e p r ov id e s m a nu fa c t ur e r an d
d evi ce ide ntific ation , a nd s ec tor p rotec tio n ve rific atio n,
th ro u gh id en tifi er c od e s ou tpu t on D Q 7 –D Q 0 . T hi s
m o de is pr im ar ily in tend ed fo r p rogr am m in g e qu ipm e nt
to a utom a ti ca lly m a tc h a d ev ic e to be pro gram m e d w i th
its c o rre s p on di ng p ro gr am m in g al go ri th m . H ow e v er,
the au to s elec t c od es c a n al so be ac c e ss e d in -s y s te m
thro ug h th e c om m a nd re gis ter.
W h en u s in g p ro gra m m in g eq ui pm e nt, th e au to s el ec t
m o de r equ ire s V
A 1, an d A 0 m u s t b e a s s h ow n in A uto s el ec t C o de s
(H i gh Vol ta ge M ethod ) tabl e. In ad dition , w h en ve rify ing
s ec tor pr otec tion , the s ec tor ad dre s s m us t a ppe ar on
L = Logic Low = V
Sector Protection/Un protection
T h e h ar dw ar e s e c to r pro te c ti on fe atur e dis a bles bo th
p rogr am and e ras e op era tio ns in any s ec to r. T he ha rd-
w a r e s e c to r u n p r ot ec tio n fe at ur e re - e n ab l es bo th
Manufacturer ID : AM D
Devic e ID :
Am29F002B/Am29F002NB
(Top Boot Block )
Devic e ID :
Am29F002B/Am29F002NB
(Bottom Boot Block)
Sector Protec tion Verification
Secto r
SA0
SA1
SA2
SA3
SA4
SA5
SA6
D escription
Tab le 3.
Ta b le 4 .
A 17
ID
IL
0
0
0
0
0
1
1
, H = Logic High = V
on add res s p in A 9. Ad dre ss p ins A 6,
A m 2 9F 0 02B /A m 29F 0 02 N B B o tt o m B o o t B lo ck Sec to r A d d r es s Tab le
A m 29 F 002 B /A m 29 F 002 N B Au to s elec t C od e s (H ig h Vo ltag e M e th o d )
A 16
0
0
0
0
1
0
1
CE#
L
L
L
L
L
L
IH
A 15
, SA = Sector Address, X = Don’t care.
OE#
0
0
0
1
X
X
X
L
L
L
L
L
L
A m 29 F 002 B /A m 29 F 00 2N B
WE#
H
H
H
H
H
H
A14
0
1
1
X
X
X
X
A 17
A 13
SA
to
X
X
X
A12
A10
A13
to
X
X
X
X
X
0
1
X
X
X
X
th e a ppr opr iate hig he st o rde r a dd res s b its. R e fer to th e
c o rre sp on ding S ec to r A ddr es s Table s . T h e C o m m an d
D e finition s tabl e s h ow s the re m ain ing a ddr es s b its that
a re d on ’t c a re. W he n al l nec e ss a ry bi ts ha ve bee n s et
a s req uir ed, the pro gram m ing equ ipm e nt c an th en rea d
th e co rre s pon din g ide ntifier c od e on D Q 7– D Q0 .
To ac c e s s th e a uto s el ec t c od es in -s y s te m , th e h os t
s y s te m c an is s ue the au to s e le c t c om m a n d v i a th e
c o m m an d r egi ster, a s s how n in the C om m a nd D efin i-
tio ns ta ble. T h is m e th od do es not req uire V
“ C om m a nd D efini tio ns ” on pa ge 1 3
th e autos e lec t m ode .
p rog ram and e ras e ope ratio ns in pr evi ous ly pro te c te d
s e c to rs .
V
V
V
V
A 9
ID
ID
ID
ID
Secto r Size
A8
A7
to
X
X
X
X
(Kbytes)
16
32
64
64
64
8
8
A6
L
L
L
L
A 5
A 2
to
X
X
X
X
A 1
H
L
L
L
(in hexadecim al)
00000h–03FFF h
04000h–05FFF h
06000h–07FFF h
08000h–0F FFF h
10000h–1F FFF h
20000h–2F FFF h
30000h–3F FFF h
Ad dress R ange
fo r d etails on us in g
A0
L
H
H
L
(unprotec ted)
(protec ted)
ID
. Se e Se e
DQ7
DQ0
B0h
01h
34h
01h
00h
to
11