AT49F002(N)T
AC Read Characteristics
AT49F002(N)T-55
Symbol
t
ACC
t
CE(1)
t
OE(2)
t
DF(3)(4)
t
OH
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
0
0
0
Min
Max
AT49F002(N)T-70
Min
Max
Units
ns
ns
ns
ns
ns
55
55
30
25
0
0
0
70
70
35
25
AC Read Waveforms
(1)(2)(3)(4)
ADDRESS
CE
ADDRESS
VALID
OE
t
CE
t
OE
t
DF
t
ACC
t
OH
OUTPUT
VALID
OUTPUT
HIGH Z
Notes:
1.
2.
3.
4.
CE may be delayed up to t
ACC
- t
CE
after the address transition without impact on t
ACC
.
OE may be delayed up to t
CE
- t
OE
after the falling edge of CE without impact on t
CE
or by t
ACC
- t
OE
after an address
change without impact on t
ACC
.
t
DF
is specified from OE or CE whichever occurs first (CL = 5 pF).
This parameter is characterized and is not 100% tested.
Input Test Waveform and Measurement Level
Output Load Test
t
R
, t
F
< 5 ns
Pin Capacitance
(f = 1 MHz, T = 25°C)
(1)
Typ
C
IN
C
OUT
Note:
4
8
1. This parameter is characterized and is not 100% tested.
Max
6
12
Units
pF
pF
Conditions
V
IN
= 0V
V
OUT
= 0V
7
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