AT49BV-LV040 ATMEL Corporation, AT49BV-LV040 Datasheet - Page 6

• Manufacturer Part Number: AT49BV-LV040
• Description: 4-megabit (512K x 8) Single 2.7-volt Battery-Voltage 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
Symbol
C
C
, t
ACC
CE
OE
DF
OH
IN
OUT
F
(3)(4)
(1)
(2)
< 5 ns
1. CE may be delayed up to t
2. OE may be delayed up to t
3. t
4. This parameter is characterized and is not 100% tested.
1. This parameter is characterized and is not 100% tested.
without impact on t
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 comes first
DF
is specified from OE or CE, whichever occurs first (CL = 5 pF).
AT49BV/LV040
(1)
Typ
4
8
ACC
(1)(2)(3)(4)
.
ACC
CE
- t
- t
OE
CE
after the falling edge of CE without impact on t
after the address transition without impact on t
Min
AT49LV040-70
Max
0
0
0
12
6
Max
70
70
35
25
Output Test Load
AT49BV/LV040-90
Min
0
0
0
Units
pF
pF
Max
CE
90
90
40
25
ACC
or by t
.
ACC
Min
AT49BV040-12
- t
0
0
0
OE
after an address change
Conditions
V
V
Max
OUT
120
120
50
30
IN
= 0V
= 0V
Units
ns
ns
ns
ns
ns