AT49F2048-12RC ATMEL Corporation, AT49F2048-12RC Datasheet - Page 6

• Manufacturer Part Number: AT49F2048-12RC
• Description: 2-Megabit 128K x 16 5-volt Only CMOS 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
C
C
ACC
CE
OE
DF
OH
, t
IN
OUT
(1)
(3)(4)
F
(2)
< 5 ns
1.
2.
3.
4.
1. This parameter is characterized and is not 100% tested.
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
Parameter
CE may be delayed up to t
OE may be delayed up to t
change 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)
AT49F2048
ADDRESS
Typ
(1)(2)(3)(4)
OUTPUT
4
8
ACC
CE
ACC
OE
CE
- t
.
- 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
CE
t
OE
AT49F2048-70
Min
0
0
Units
pF
pF
OUTPUT
VALID
Max
70
70
35
25
t
OH
AT49F2048-90
t
Min
DF
CE
0
0
0
ACC
or by t
Output Test Load
.
Max
90
90
40
25
ACC
- t
Conditions
V
V
OE
AT49F2048-12
OUT
Min
IN
0
0
0
after an address
= 0V
= 0V
Max
120
120
50
30
Units
ns
ns
ns
ns
ns