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AT49BV4096A-12TC

P1-P3P4-P6P7-P9P10-P12P13-P15
AT49BV004(T)/4096A(T)
10
Program Cycle Waveforms
Sector or Chip Erase Cycle Waveforms
Notes: 1. OE must be high only when WE and CE are both low.
2. For chip erase, the address should be 5555. For sector erase, the address depends on what sector is to be erased.
(See note 4 under command definitions.)
3. For chip erase, the data should be 10H, and for sector erase, the data should be 30H.
Program Cycle Characteristics
Symbol Parameter Min Typ Max Units
t
BP
Byte/Word Programming Time 30 µs
t
AS
Address Set-up Time 0 ns
t
AH
Address Hold Time 100 ns
t
DS
Data Set-up Time 100 ns
t
DH
Data Hold Time 0 ns
t
WP
Write Pulse Width 100 ns
t
WPH
Write Pulse Width High 50 ns
t
EC
Erase Cycle Time 10 seconds
OE
INPUT DATA
ADDRESS
A0
55
5555 5555
AA
2AAA
t
BP
t
WPH
t
WP
CE
WE
t
AS
t
AH
t
DH
t
DS
5555
AA
PROGRAM CYCLE
A0-A18
DATA
OE
(1)
AA
80
55 55
5555
5555
AA
2AAA 2AAA
t
WPH
t
WP
CE
WE
t
AS
t
AH
t
EC
t
DH
t
DS
5555
A0-A18
DATA
Note 2
Note 3
BYTE/
WORD 0
BYTE/
WORD 1
BYTE/
WORD 2
BYTE/
WORD 3
BYTE/
WORD 4
BYTE/
WORD 5
AT49BV004(T)/4096A(T)
11
Notes: 1. These parameters are characterized and not 100% tested.
2. See t
OE
spec in AC Read Characteristics.
Data Polling Waveforms
Notes: 1. These parameters are characterized and not 100% tested.
2. See t
OE
spec in AC Read Characteristics.
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.
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-A18
I/O7
OE
An An An
An
An
HIGH Z
CE
WE
tDH
tOE
tOEH
tWR
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 150 ns
t
WR
Write Recovery Time 0 ns
AT49BV004(T)/4096A(T)
12
Software Product Identification Entry
(1)
Software Product Identification Exit
(1)(6)
Notes: 1. Data Format: I/O15 - I/O8 (Don’t Care); I/O7 - I/O0 (Hex)
Address Format: A15 - A0 (Hex), A-1, and A15 - A18
(Don’t Care).
2.
A1 - A18 = V
IL
.
Manufacture 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 pow-
ered down.
4. The device returns to standard operation mode.
5. Manufacturer Code: 161FH
Device Code: 11H (AT49BV004), 1692H (AT49BV4096A),
1692H (AT49BV004T), 1690H (AT49BV4096AT)
6. Either one of the Product ID Exit commands can be used.
Boot Block
Lockout Enable Algorithm
(1)
Notes: 1. Data Format: I/O15 - I/O8 (Don’t Care); I/O7 - I/O0 (Hex)
Address Format: A15 - A0 (Hex), A-1, and A15 - A18
(Don’t Care).
2. Boot block lockout feature enabled.
LOAD DATA AA
TO
ADDRESS 5555
LOAD DATA 55
TO
ADDRESS 2AAA
LOAD DATA 90
TO
ADDRESS 5555
ENTER PRODUCT
IDENTIFICATION
MODE
(2)(3)(5)
LOAD DATA AA
TO
ADDRESS 5555
LOAD DATA 55
TO
ADDRESS 2AAA
LOAD DATA F0
TO
ADDRESS 5555
EXIT PRODUCT
IDENTIFICATION
MODE
(4)
OR
LOAD DATA F0
TO
ANY ADDRESS
EXIT PRODUCT
IDENTIFICATION
MODE
(4)
LOAD DATA AA
TO
ADDRESS 5555
LOAD DATA 55
TO
ADDRESS 2AAA
LOAD DATA 80
TO
ADDRESS 5555
LOAD DATA AA
TO
ADDRESS 5555
LOAD DATA 55
TO
ADDRESS 2AAA
LOAD DATA 40
TO
ADDRESS 5555
PAUSE 1 second
(2)
P1-P3P4-P6P7-P9P10-P12P13-P15

AT49BV4096A-12TC

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Description:
IC FLASH 4M PARALLEL 48TSOP
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