at49f8011 ATMEL Corporation, at49f8011 Datasheet - Page 13

• Manufacturer Part Number: at49f8011
• Description: 8-megabit 512k X 16/ 1m X 8 5-volt Only Flash Memory
• Manufacturer: ATMEL Corporation

Program Cycle Characteristics
Program Cycle Waveforms
Sector or Chip Erase Cycle Waveforms
Notes:
1264D–FLASH–5/03
Symbol
t
t
t
t
t
t
t
t
t
BP
AS
AH
DS
DH
WP
WPH
EC
SEC
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
3. For chip erase, the data should be 10H, and for sector erase, the data should be 30H.
4. The t
note 3 under command definitions.)
Parameter
Byte/Word Programming Time
Address Set-up Time
Address Hold Time
Data Set-up Time
Data Hold Time
Write Pulse Width
Write Pulse Width High
Chip Erase Cycle Time
Sector Erase Cycle Time
WPH
A0-A18
DATA
time between the 5th and 6th bus cycle should be a minimum of 150 ns.
A0 -A18
WE
OE
CE
DATA
WE
OE
CE
(1)
t
AS
t
AS
5555
WORD 0
t
5555
AH
AA
t
AH
AA
t
t
DS
WP
2AAA
t
t
DS
WP
WORD 1
t
2AAA
DH
55
t
DH
55
5555
t
WPH
WORD 2
5555
80
PROGRAM CYCLE
t
WPH
A0
5555
WORD 3
ADDRESS
AA
INPUT
DATA
2AAA
WORD 4
Min
100
50
50
10
50
0
55
(4)
(4)
t
BP
Note 2
WORD 5
Note 3
Typ
200
10
t
EC
AT49F8011(T)
5555
AA
Max
50
10
seconds
Units
ms
µs
ns
ns
ns
ns
ns
ns
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