AT49BV4096-15RC ATMEL Corporation, AT49BV4096-15RC Datasheet - Page 8

• Manufacturer Part Number: AT49BV4096-15RC
• Description: 4-Megabit 256K x 16 3-volt Only CMOS Flash Memory
• Manufacturer: ATMEL Corporation

Sector or Chip Erase Cycle Waveforms
Notes: 1. OE must be high only when WE and CE are both low.
Program Cycle Characteristics
Program Cycle Waveforms
8
Symbol
t
t
t
t
t
t
t
t
BP
AS
AH
DS
DH
WP
WPH
EC
2. For chip erase, the address should be 5555. For sector
AO-A17
erase, the address depends on what sector is to be
erased. (See note 4 under command definitions.)
DATA
OE
WE
CE
AO-A17
AT49BV/LV4096
DATA
(1)
WE
OE
CE
Parameter
Word Programming Time
Address Set-up Time
Address Hold Time
Data Set-up Time
Data Hold Time
Write Pulse Width
Write Pulse Width High
Erase Cycle Time
t
AS
t
AS
5555
WORD 0
t
AH
5555
AA
t
AH
t
t
DS
AA
WP
2AAA
t
t
DS
WP
WORD 1
t
DH
2AAA
55
t
DH
55
5555
t
WPH
WORD 2
Min
100
100
200
200
0
0
5555
80
PROGRAM CYCLE
t
WPH
A0
3. For chip erase, the data should be 10
the data should be 30
5555
WORD 3
ADDRESS
AA
Typ
10
INPUT
DATA
2AAA
WORD 4
55
H
.
Max
t
BP
50
10
Note 2
WORD 5
Note 3
H
, and for sector erase,
t
5555
EC
AA
seconds
Units
ns
ns
ns
ns
ns
ns
s