AT49F1604 ATMEL Corporation, AT49F1604 Datasheet - Page 12

• Manufacturer Part Number: AT49F1604
• Description: 16-Megabit 1M x 16/2M x 8 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:
12
R
Symbol
t
t
t
t
t
t
C
C
, t
ACC
CE
OE
DF
OH
RO
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
RESET to Output Delay
is specified from OE or CE whichever occurs first (CL = 5 pF).
AT49F16X4(T)
3.0
(1)
Typ
ACC
4
8
(1)(2)(3)(4)
RESET
.
OUTPUT
ADDRESS
CE
OE
CE
ACC
- t
- t
OE
CE
after the falling edge of CE without impact on t
after the address transition without impact on t
HIGH Z
Max
12
6
tACC
tRO
ADDRESS VALID
tCE
tOE
Output Test Load
OUTPUT
Units
VALID
pF
pF
AT49F16X4(T)-70
tOH
Min
0
0
0
tDF
CE
Conditions
V
V
ACC
OUT
IN
Max
800
or by t
70
70
35
25
= 0V
.
= 0V
ACC
AT49F16X4(T)-90
- t
Min
OE
0
0
0
after an address change
Max
800
90
90
40
25
Units
ns
ns
ns
ns
ns
ns