AT49F008 ATMEL Corporation, AT49F008 Datasheet - Page 6

• Manufacturer Part Number: AT49F008
• Description: 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
C
C
ACC
CE
OE
DF
OH
RO
, t
IN
OUT
F
(3)(4)
(1)
(2)
< 5 ns
1.
2.
3.
4.
1. This parameter is characterized and is not 100% tested.
DRIVING
LEVELS
AC
CE may be delayed up to t
OE may be delayed up to t
change 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
AT49F008
Typ
4
8
ADDRESS
OUTPUT
1.5V
RESET
ACC
CE
ACC
OE
CE
- t
.
- t
OE
CE
after the falling edge of CE without impact on t
after the address transition without impact on t
AC
MEASUREMENT
LEVEL
Max
12
6
HIGH Z
t
RO
ADDRESS VALID
t
ACC
t
CE
t
Min
AT49F008-90
OE
0
0
0
Max
800
Units
25
90
90
40
OUTPUT
pF
pF
VALID
t
OH
Min
AT49F008-12
0
0
0
t
DF
Output Test Load
CE
1.8K
1.3K
ACC
Max
120
120
800
or by t
50
30
.
5.0V
ACC
OUTPUT
Min
AT49F008-15
- t
Conditions
0
0
0
V
V
OE
PIN
OUT
100 pF
IN
after an address
= 0V
= 0V
Max
150
150
800
70
40
Units
ns
ns
ns
ns
ns
ns