AT49BV001 ATMEL Corporation, AT49BV001 Datasheet - Page 7

• Manufacturer Part Number: AT49BV001
• Description: 1-Megabit 128K 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
Note:
R
(f = 1 MHz, T = 25°C)
Symbol
t
t
t
t
t
C
C
, t
ACC
CE
OE
DF
OH
IN
OUT
F
(1)
(3)(4)
(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
ACC
ADDRESS
(1)(2)(3)(4)
.
OUTPUT
1.5V
CE
ACC
OE
CE
- t
- t
OE
CE
after the falling edge of CE without impact on t
after the address transition without impact on t
AT49LV001(N)(T)-70
AC
MEASUREMENT
LEVEL
Min
0
0
0
HIGH Z
ADDRESS
t
ACC
Max
70
70
35
25
t
CE
Typ
t
OE
4
8
AT49BV/LV001(N)(T)-90
VALID
Min
0
0
0
OUTPUT
Max
VALID
12
Output Load Test
6
t
OH
Max
90
90
40
25
t
DF
CE
ACC
Units
or by t
pF
pF
1.8K
1.3K
.
AT49BV/LV001(N)(T)-12
ACC
3.0V
Min
0
0
0
- t
OUTPUT
OE
after an address change
30 pF
PIN
Conditions
V
V
OUT
IN
Max
120
120
50
30
= 0V
= 0V
Units
ns
ns
ns
ns
ns
7