at49f008-90ti ATMEL Corporation, at49f008-90ti Datasheet - Page 6

• Manufacturer Part Number: at49f008-90ti
• Description: At49f008 8-megabit 1m X 8 5-volt Only Flash Memory
• Manufacturer: ATMEL Corporation

AC Read Characteristics
AC Read Waveforms
Notes:
Input Test Waveforms and
Measurement level
t
Pin Capacitance
f = 1 MHz, T = 25° C
Note:
6
R
Symbol
t
t
t
t
t
t
Symbol
C
C
, t
ACC
CE
OE
DF
OH
RO
IN
OUT
DRIVING
F
(3)(4)
LEVELS
(1)
(2)
< 5 ns
AC
1.
2.
3.
4.
1. This parameter is characterized and is not 100% tested.
CE may be delayed up to t
OE may be delayed up to t
without impact on t
t
This parameter is characterized and is not 100% tested.
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,
RESET to Output Delay
whichever occurred first
is specified from OE or CE whichever occurs first (CL = 5 pF).
3.0V
0.0V
(1)
Typ
4
8
AT49F008
1.5V
ACC
.
ADDRESS
OUTPUT
CE
ACC
RESET
- t
- t
OE
AC
MEASUREMENT
LEVEL
CE
OE
CE
after the falling edge of CE without impact on t
after the address transition without impact on t
Max
12
6
HIGH Z
t
RO
ADDRESS VALID
t
ACC
t
CE
Min
t
AT49F008-90
OE
0
0
0
Output Test Load
Max
800
OUTPUT
90
90
40
25
VALID
t
OH
Min
AT49F008-12
t
Units
DF
0
0
0
pF
pF
1.8K
1.3K
CE
ACC
or by t
Max
120
120
800
5.0V
50
30
.
ACC
OUTPUT
- t
PIN
Min
AT49F008-15
OE
100 pF
0
0
0
after an address change
Conditions
V
V
OUT
Max
150
150
800
IN
70
40
= 0V
= 0V
Units
ns
ns
ns
ns
ns
ns