AT49BV-LV001 ATMEL [ATMEL Corporation], AT49BV-LV001 Datasheet - Page 7

• Manufacturer Part Number: AT49BV-LV001
• Description: 1-megabit (128K 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
Note:
R
(f = 1 MHz, T = 25°C)
Symbol
t
t
t
t
t
Symbol
C
C
, t
ACC
CE
OE
DF
OH
IN
OUT
F
(3)(4)
(1)
(2)
< 5 ns
DRIVING
LEVELS
1.
2.
3.
4.
1. This parameter is characterized and is not 100% tested.
AC
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).
(1)
2.4V
0.4V
Typ
4
8
ACC
(1)(2)(3)(4)
.
ADDRESS
1.5V
OUTPUT
CE
ACC
- t
- t
OE
OE
CE
CE
after the falling edge of CE without impact on t
after the address transition without impact on t
AT49LV001(N)(T)-
AC
MEASUREMENT
LEVEL
Min
0
0
0
Max
12
70
6
HIGH Z
ADDRESS
Max
t
ACC
70
70
35
25
t
CE
t
OE
VALID
AT49BV/LV001(N)(T)-
Min
0
0
0
OUTPUT
VALID
AT49BV/LV001(N)(T)
Output Load Test
90
t
OH
Units
pF
pF
t
DF
Max
90
90
40
25
CE
ACC
or by t
1.8K
1.3K
.
ACC
AT49BV/LV001(N)(T)-
3.0V
Min
0
0
0
- t
OUTPUT
OE
after an address change
12
30 pF
PIN
Conditions
V
V
OUT
IN
Max
120
120
50
30
= 0V
= 0V
Units
ns
ns
ns
ns
ns
7