AT49BV320 ATMEL [ATMEL Corporation], AT49BV320 Datasheet - Page 20

• Manufacturer Part Number: AT49BV320
• Description: 32-megabit (2M x 16/4M x 8) 3-volt Only Flash Memory
• Manufacturer: ATMEL [ATMEL Corporation]

AC Read Characteristics
AC Read Waveforms
Notes:
20
Symbol
t
t
t
t
t
t
t
RC
ACC
CE
OE
DF
OH
RO
(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/LV320(T)/321(T)
without impact on t
Parameter
Read Cycle Time
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
RESET to Output Delay
DF
is specified from OE or CE, whichever occurs first (CL = 5 pF).
RESET
ACC
OUTPUT
ADDRESS
(1)(2)(3)(4)
OE
CE
.
ACC
CE
- t
- t
OE
CE
after the falling edge of CE without impact on t
after the address transition without impact on t
HIGH Z
AT49BV/LV32X(T)-85
Min
0
0
0
tACC
tRO
ADDRESS VALID
tCE
tOE
tRC
Max
100
85
85
85
40
25
AT49BV/LV32X(T)-90
OUTPUT
VALID
Min
0
0
0
tOH
tDF
Max
100
90
90
90
40
25
CE
ACC
or by t
.
AT49BV/LV32X(T)-11
ACC
Min
0
0
0
- t
OE
after an address change
Max
110
110
110
100
45
30
1494H–FLASH–01/03
Units
ns
ns
ns
ns
ns
ns
ns