AT49BV040 ATMEL Corporation, AT49BV040 Datasheet - Page 6

• Manufacturer Part Number: AT49BV040
• 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
C
C
ACC
CE
OE
DF
OH
, t
IN
OUT
F
(3)(4)
(1)
(2)
< 5 ns
1.
2.
3.
4.
1.
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
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.
This parameter is characterized and is not 100% tested.
DF
is specified from OE or CE whichever occurs first (CL = 5 pF).
AT49BV/LV040
(1)
Typ
(1)(2)(3)(4)
4
8
ACC
CE
ACC
- t
- t
.
OE
CE
after the falling edge of CE without impact on t
after the address transition without impact on t
Max
12
6
AT49BV/LV040-12
Min
0
0
0
Max
120
120
50
30
Units
pF
pF
AT49BV/LV040-15
Min
0
0
0
Output test Load
Max
CE
150
150
70
40
ACC
or by t
.
ACC
AT49BV/LV040-20
Min
Conditions
V
0
0
0
- t
V
OUT
OE
IN
= 0V
after an address
= 0V
Max
200
200
80
50
Units
ns
ns
ns
ns
ns