at49f020-90ti ATMEL Corporation, at49f020-90ti Datasheet - Page 5

• Manufacturer Part Number: at49f020-90ti
• Description: 2-megabit 256k X 8 5-volt Only Flash Memory
• Manufacturer: ATMEL Corporation

AC Read Characteristics
AC Read Waveforms
Notes:
Input Test Waveforms and
Measurement Level
Pin Capacitance
f = 1 MHz, T = 25°C
Note:
Symbol
t
t
t
t
t
Symbol
C
C
t
ACC
CE
OE
DF
OH
R
IN
OUT
, t
(1)
(3)(4)
(2)
F
< 5 ns
1.
2.
3.
4.
1. This parameter is characterized and is not 100% tested.
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
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
is specified from OE or CE whichever occurs first (CL = 5 pF).
(1)
Typ
4
8
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
Min
AT49F020-90
0
0
0
Max
12
6
Max
90
90
40
25
Output Test Load
Min
AT49F020-12
0
0
0
Units
pF
pF
Max
120
120
50
30
CE
ACC
or by t
.
ACC
Min
AT49F020-15
0
0
0
- t
OE
after an address change
Conditions
Max
V
150
150
70
40
V
OUT
IN
= 0V
= 0V
Units
ns
ns
ns
ns
ns
5