AT49BV040A Просмотр технического описания (PDF) - Atmel Corporation
Номер в каталоге
Компоненты Описание
производитель
AT49BV040A Datasheet PDF : 17 Pages
| |||
Program Cycle Characteristics
Symbol
tBP
tAS
tAH
tDS
tDH
tWP
tWPH
tEC
Parameter
Byte 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
Program Cycle Waveforms
Min
Typ
Max
Units
30
50
µs
0
ns
40
ns
40
ns
0
ns
30
ns
30
ns
7
8
seconds
A0 - A18
Sector or Chip Erase Cycle Waveforms
OE (1)
CE
WE
tAS
tWP
tAH
tDH
tWPH
A0 - A18
555
AAA
555
555
AAA
Note 2
tDS
tEC
Notes:
DATA
AA
55
80
AA
55
Note 3
BYTE 0
BYTE 1
BYTE 2
BYTE 3
BYTE 4
BYTE 5
1. OE must be high only when WE and CE are both low.
2. For chip erase, the address should be 555. 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.
10 AT49BV040A
3358A–FLASH–6/03
Share Link: 