AT49F001N ATMEL [ATMEL Corporation], AT49F001N Datasheet - Page 7

• Manufacturer Part Number: AT49F001N
• Description: 1-Megabit 128K x 8 5-volt Only Flash Memory
• Manufacturer: ATMEL [ATMEL Corporation]

AC Read Characteristics
AC Read Waveforms
Notes:
Input Test Waveform and
Measurement Level
t
Pin Capacitance
(f = 1 MHz, T = 25°C)
Note:
R
Symbol
C
C
, t
t
t
t
t
t
ACC
CE
OE
DF
OH
IN
OUT
F
(3)(4)
(1)
(2)
< 5 ns
1.
2.
3.
4.
1. This parameter is characterized and is not 100% tested.
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)
ACC
(1)(2)(3)(4)
.
ADDRESS
OUTPUT
CE
ACC
AT49F001(N)(T)-50
- t
Min
- t
0
0
0
OE
OE
CE
CE
after the falling edge of CE without impact on t
after the address transition without impact on t
Max
50
50
30
25
HIGH Z
ADDRESS
AT49F001(N)(T)-70
t
ACC
Min
t
0
0
0
CE
Typ
t
OE
4
8
Output Load Test
VALID
Max
70
70
35
25
OUTPUT
VALID
Max
12
1.3K
6
55 ns
AT49F001(N)(T)-90
t
5.0V
OH
Min
0
0
0
OUTPUT
t
1.8K
DF
CE
PIN
ACC
30 pF
Units
or by t
Max
pF
pF
90
90
40
25
.
ACC
70/90/120 ns
1.8K
1.3K
- t
AT49F001(N)(T)-12
Min
OE
5.0V
0
0
0
after an address change
OUTPUT
Conditions
V
PIN
V
OUT
100 pF
IN
Max
120
120
50
30
= 0V
= 0V
Units
ns
ns
ns
ns
ns
7