at49bv002nt-90pi ATMEL Corporation, at49bv002nt-90pi Datasheet - Page 8

• Manufacturer Part Number: at49bv002nt-90pi
• Description: At49bv002 2-megabit 256k X 8 Single 2.7-volt Battery-voltage Flash Memory
• Manufacturer: ATMEL Corporation

AC Read Characteristics
AC Read Waveforms
Notes:
8
Symbol
t
t
t
t
t
ACC
CE
OE
DF
OH
(3)(4)
(1)
(2)
1. CE may be delayed up to t
2. OE may be delayed up to t
3. t
4. This parameter is characterized and is not 100% tested.
AT49BV/LV002(N)(T)
without impact on t
DF
Parameter
Address to Output Delay
CE to Output Delay
OE to Output Delay
CE or OE to Output Float
Output Hold from OE, CE or
Address, whichever
occurred first
is specified from OE or CE whichever occurs first (CL = 5 pF).
ACC
ADDRESS
.
(1)(2)(3)(4)
OUTPUT
ACC
CE
- t
CE
OE
- t
OE
CE
AT49LV002(N)(T)-70
after the falling edge of CE without impact on t
Min
after the address transition without impact on t
0
0
0
Max
HIGH Z
70
70
35
25
ADDRESS
t
ACC
t
CE
t
OE
AT49BV/LV002(N)(T)-90
Min
VALID
0
0
0
OUTPUT
VALID
t
OH
Max
90
90
40
25
t
DF
CE
ACC
or by t
.
AT49BV/LV002(N)(T)-12
ACC
Min
0
0
0
- t
OE
after an address change
Max
120
120
50
30
0982D–FLASH–02/03
Unit
ns
ns
ns
ns
ns
s