AT49BV-LV002 ATMEL Corporation, AT49BV-LV002 Datasheet - Page 7

• Manufacturer Part Number: AT49BV-LV002
• Description: 2-Megabit (256K x 8) Single 2.7-volt Battery-Voltage Flash Memory
• Manufacturer: 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
Symbol
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.
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, whichever occurred first
is specified from OE or CE whichever occurs first (CL = 5 pF).
2.4V
0.4V
(1)
Typ
4
8
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
Max
12
6
HIGH Z
ADDRESS
t
ACC
Max
t
70
70
35
25
CE
t
OE
Output Load Test
VALID
AT49BV/LV002(N)(T)-90
Min
0
0
0
OUTPUT
VALID
t
Units
OH
pF
pF
Max
t
90
90
40
25
DF
1.8K
1.3K
CE
ACC
or by t
3.0V
.
OUTPUT
ACC
AT49BV/LV002(N)(T)-12
Min
0
0
0
- t
30 pF
PIN
OE
after an address change
Conditions
V
V
OUT
IN
Max
120
120
50
30
= 0V
= 0V
Units
ns
ns
ns
ns
ns
7