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AT49F1024 Datasheet(PDF) 6 Page - ATMEL Corporation

Part No. AT49F1024
Description  1-Megabit 64K x 16 5-volt Only Flash Memory
Download  13 Pages
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Maker  ATMEL [ATMEL Corporation]
Homepage  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

AT49F1024 Datasheet(HTML) 6 Page - ATMEL Corporation

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AT49F1024/1025
6
AC Read Waveforms(1)(2)(3)(4)
Notes:
1.
CE may be delayed up to t
ACC - tCE after the address transition without impact on tACC.
2.
OE may be delayed up to t
CE - tOE after the falling edge of CE without impact on tCE or by tACC - tOE after an address change
without impact on t
ACC.
3.
t
DF is specified from OE or CE whichever occurs first (CL = 5 pF).
4.
This parameter is characterized and is not 100% tested.
Input Test Waveforms and
Measurement Level
t
R, tF < 5 ns
Output Test Load
Note:
1. This parameter is characterized and is not 100% tested.
AC Read Characteristics
Symbol
Parameter
AT49F1024-45
AT49F1025-45
AT49F1024-55
AT49F1025-55
AT49F1024-70
AT49F1025-70
AT49F1024-90
AT49F1025-90
Units
Min
Max
Min
Max
Min
Max
Min
Max
tACC
Address to Output Delay
45
55
70
90
ns
t
CE
(1)
CE to Output Delay
45
55
70
90
ns
t
OE
(2)
OE to Output Delay
0
30
30
35
0
40
ns
tDF
(3)(4)
CE or OE to Output Float
0
25
0
25
0
25
0
25
ns
tOH
Output Hold from OE, CE or Address, whichever
occurred first
000
0
ns
OUTPUT
PIN
5.0V
45/55/70 ns
90/120 ns
30 pF
1.8K
1.3K
OUTPUT
PIN
5.0V
100 pF
1.8K
1.3K
Pin Capacitance
f = 1 MHz, T = 25°C(1)
Typ
Max
Units
Conditions
C
IN
46
pF
V
IN = 0V
C
OUT
812
pF
V
OUT = 0V


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