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AT49BV322A-70TI

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25
3308J–FLASH–4/05
AT49BV322A(T)
Notes: 1. These parameters are characterized and not 100% tested.
2. See t
OE
spec in “AC Read Characteristics” on page 21.
25. Data Polling Waveforms
Notes: 1. These parameters are characterized and not 100% tested.
2. See t
OE
spec in “AC Read Characteristics” on page 21.
27. Toggle Bit Waveforms
(1)(2)(3)
Notes: 1. Toggling either OE or CE or both OE and CE will operate toggle bit. The t
OEHP
specification must be met by the toggling
input(s).
2. Beginning and ending state of I/O6 will vary.
3. Any address location may be used but the address should not vary.
24. Data Polling Characteristics
(1)
Symbol Parameter Min Typ Max Units
t
DH
Data Hold Time 10 ns
t
OEH
OE Hold Time 10 ns
t
OE
OE to Output Delay
(2)
ns
t
WR
Write Recovery Time 0 ns
A0-A20
WE
CE
OE
I/O7
t
DH
t
OEH
t
OE
HIGH Z
An
An
An
An
An
t
WR
26. Toggle Bit Characteristics
(1)
Symbol Parameter Min Typ Max Units
t
DH
Data Hold Time 10 ns
t
OEH
OE Hold Time 10 ns
t
OE
OE to Output Delay
(2)
ns
t
OEHP
OE High Pulse 50 ns
t
WR
Write Recovery Time 0 ns
26
3308J–FLASH–4/05
AT49BV322A(T)
28. Software Product Identification
Entry
(1)
29. Software Product Identification
Exit
(1)(6)
Notes: 1. Data Format: I/O15 - I/O8 (Don’t Care); I/O7 - I/O0 (Hex)
Address Format: A11 - A0 (Hex), A-1, and A11 - A20
(Don’t Care).
2. A1 - A20 = V
IL
. Manufacturer Code is read for A0 = V
IL
;
Device Code is read for A0 = V
IH
.
3. The device does not remain in identification mode if
powered down.
4. The device returns to standard operation mode.
5. Manufacturer Code: 1FH(x8); 001FH(x16)
Device Code:C8 (x8) - AT49BV322A;
00C8 (x16) - AT49BV322A;
C9H (x8) - AT49BV322AT;
00C9H (x16) - AT49BV322AT.
6. Either one of the Product ID Exit commands can be used.
LOAD DATA AA
TO
ADDRESS 555
LOAD DATA 55
TO
ADDRESS AAA
LOAD DATA 90
TO
ADDRESS 555
ENTER PRODUCT
IDENTIFICATION
MODE
(2)(3)(5)
LOAD DATA AA
TO
ADDRESS 555
LOAD DATA 55
TO
ADDRESS AAA
LOAD DATA F0
TO
ADDRESS 555
EXIT PRODUCT
IDENTIFICATION
MODE
(4)
OR
LOAD DATA F0
TO
ANY ADDRESS
EXIT PRODUCT
IDENTIFICATION
MODE
(4)
30. Sector Lockdown Enable
Algorithm
(1)
Notes: 1. Data Format: I/O15 - I/O8 (Don’t Care); I/O7 - I/O0 (Hex)
Address Format: A11 - A0 (Hex), A-1, and A11 - A20
(Don’t Care).
2. Sector Lockdown feature enabled.
LOAD DATA AA
TO
ADDRESS 555
LOAD DATA 55
TO
ADDRESS AAA
LOAD DATA 80
TO
ADDRESS 555
LOAD DATA AA
TO
ADDRESS 555
LOAD DATA 55
TO
ADDRESS AAA
LOAD DATA 60
TO
SECTOR ADDRESS
PAUSE 200 µs
(2)
27
3308J–FLASH–4/05
AT49BV322A(T)
31. Common Flash Interface Definition Table
Address Data
Comments
AT49BV322A(T)
(x16 Mode)
AT49BV322A(T)
(x8 Mode) AT49BV322A(T)
10h 20h 0051h “Q”
11h 22h 0052h “R”
12h 24h 0059h “Y”
13h 26h 0002h
14h 28h 0000h
15h 2Ah 0041h
16h 2Ch 0000h
17h 2Eh 0000h
18h 30h 0000h
19h 32h 0000h
1Ah 34h 0000h
1Bh 36h 0027h VCC min write/erase
1Ch 38h 0036h VCC max write/erase
1Dh 3Ah 00B5h VPP min voltage
1Eh 3Ch 00C5h VPP max voltage
1Fh 3Eh 0004h Typ word write – 12 µs
20h 40h 0000h
21h 42h 000Ah Typ block erase, 1000 ms
22h 44h 0010h Typ chip erase, 50,000 ms
23h 46h 0004h Max word write/typ time
24h 48h 0000h n/a
25h 4Ah 0002h Max block erase/typ block erase
26h 4Ch 0002h Max chip erase/ typ chip erase
27h 4Eh 0016h Device size
28h 50h 0002h x8/x16 device
29h 52h 0000h x8/x16 device
2Ah 54h 0000h Multiple byte write not supported
2Bh 56h 0000h Multiple byte write not supported
2Ch 58h 0002h 2 regions, x = 2
2Dh 5Ah 003Eh 64K bytes, Y = 62
2Eh 5Ch 0000h 64K bytes, Y = 62
2Fh 5Eh 0000h 64K bytes, Z = 256
30h 60h 0001h 64K bytes, Z = 256
31h 62h 0007h 8K bytes, Y = 7
32h 64h 0000h 8K bytes, Y = 7
33h 66h 0020h 8K bytes, Z = 32
34h 68h 0000h 8K bytes, Z = 32
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AT49BV322A-70TI

Mfr. #:
Buy AT49BV322A-70TI
Manufacturer:
Microchip Technology / Atmel
Description:
NOR Flash 32M (2Mx16)
Lifecycle:
New from this manufacturer.
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