at49bv001nt-90pi ATMEL Corporation, at49bv001nt-90pi Datasheet - Page 8

• Manufacturer Part Number: at49bv001nt-90pi
• 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:
8
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. 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.
AC
AT49BV/LV001(N)(T)
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
occurred first
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
ACC
OUTPUT
CE
- t
- t
OE
OE
CE
CE
AT49LV001(N)(T)-70
after the falling edge of CE without impact on t
Min
after the address transition without impact on t
0
0
0
AC
MEASUREMENT
LEVEL
Max
12
6
Max
HIGH Z
70
70
35
25
ADDRESS
t
ACC
t
CE
t
OE
AT49BV/LV001(N)(T)-90
VALID
Min
0
0
0
OUTPUT
VALID
Output Load Test
t
OH
Units
pF
pF
Max
t
DF
90
90
40
25
CE
ACC
or by t
.
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
Max
IN
120
120
50
30
1110C–FLASH–9/03
= 0V
= 0V
Units
ns
ns
ns
ns
ns