AT49F1025 ATMEL Corporation, AT49F1025 Datasheet - Page 6
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AT49F1025
Manufacturer Part Number
AT49F1025
Description
1-Megabit 64K x 16 5-volt Only Flash Memory
Manufacturer
ATMEL Corporation
Datasheet
1.AT49F1025.pdf
(13 pages)
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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
, t
ACC
CE
OE
DF
OH
IN
OUT
(1)
(3)(4)
(2)
F
< 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
AT49F1024/1025
is specified from OE or CE whichever occurs first (C
(1)
ACC
(1)(2)(3)(4)
.
CE
ACC
- t
- t
OE
CE
after the falling edge of CE without impact on t
after the address transition without impact on t
AT49F1024-45
AT49F1025-45
Min
0
0
0
Typ
4
8
Max
L
45
45
30
25
Output Test Load
= 5 pF).
AT49F1024-55
AT49F1025-55
Min
0
0
Max
12
6
1.8K
1.3K
45/55/70 ns
Max
25
55
55
30
5.0V
OUTPUT
CE
AT49F1024-70
AT49F1025-70
ACC
Min
Units
30 pF
or by t
PIN
0
0
pF
pF
.
ACC
Max
1.8K
1.3K
70
70
35
25
- t
90/120 ns
5.0V
OE
after an address change
OUTPUT
AT49F1024-90
AT49F1025-90
Min
0
0
0
Conditions
100 pF
V
PIN
V
OUT
IN
= 0V
Max
= 0V
90
90
40
25
Units
ns
ns
ns
ns
ns