AT49LV002 ATMEL [ATMEL Corporation], AT49LV002 Datasheet - Page 7

• Manufacturer Part Number: AT49LV002
• Description: 2-Megabit 256K x 8 Single 2.7-Volt Battery-Voltage Flash Memory
• Manufacturer: ATMEL [ATMEL Corporation]

AC Read Characteristics
AC Read Waveforms
Notes:
Input Test Waveform and
Measurement Level
t
Pin Capacitance
(f = 1 MHz, T = 25°C)
Note:
R
DRIVING
Symbol
t
t
t
t
t
C
C
LEVELS
, t
ACC
CE
OE
DF
OH
IN
OUT
(1)
(3)(4)
(2)
F
AC
< 5
1.
2.
3.
4.
1. This parameter is characterized and is not 100% tested.
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
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
is specified from OE or CE whichever occurs first (CL = 5 pF).
2.4V
0.4V
(1)
1.5V
ACC
ADDRESS
(1)(2)(3)(4)
.
OUTPUT
CE
ACC
OE
CE
- t
- t
AC
MEASUREMENT
LEVEL
OE
CE
after the falling edge of CE without impact on t
after the address transition without impact on t
AT49LV002(N)(T)-70
Min
0
0
0
HIGH Z
ADDRESS
t
Max
ACC
70
70
35
25
t
CE
Typ
t
OE
4
8
Output Load Test
AT49BV/LV002(N)(T)-90
VALID
Min
0
0
0
OUTPUT
Max
VALID
12
6
t
OH
Max
90
90
40
25
t
DF
1.8K
1.3K
CE
ACC
Units
or by t
pF
pF
3.0V
.
AT49BV/LV002(N)(T)-12
OUTPUT
ACC
Min
0
0
0
- t
30 pF
PIN
OE
after an address change
Conditions
V
V
Max
OUT
120
120
IN
50
30
= 0V
= 0V
Units
ns
ns
ns
ns
ns
7