at49f2048 ATMEL Corporation, at49f2048 Datasheet - Page 6

• Manufacturer Part Number: at49f2048
• Description: 2-megabit 128k X 16 5-volt Only Flash Memory
• Manufacturer: ATMEL Corporation

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
Symbol
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.
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).
AT49F2048
Typ
(1)
4
8
ACC
(1)(2)(3)(4)
.
ADDRESS
OUTPUT
CE
ACC
- t
OE
CE
- t
OE
CE
after the falling edge of CE without impact on t
after the address transition without impact on t
Max
12
6
HIGH Z
t
ADDRESS VALID
ACC
t
Min
CE
AT49F2048-70
t
OE
0
0
Output Test Load
Max
70
70
30
25
OUTPUT
VALID
t
OH
Units
Min
AT49F2048-90
pF
pF
0
0
0
t
DF
CE
ACC
or by t
Max
.
90
90
30
25
ACC
- t
OE
Min
AT49F2048-12
0
0
0
after an address change
Conditions
V
V
OUT
IN
Max
120
120
30
30
= 0V
= 0V
Units
ns
ns
ns
ns
ns