AT28LV64B
5
AC Read Waveforms
(1)(2)(3)(4)
Notes: 1. CE may be delayed up to t
ACC
-t
CE
after the address transition without impact on t
ACC
.
2. 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
.
3. t
DF
is specified from OE or CE whichever occurs first (C
L
=5pF).
4. This parameter is characterized and is not 100% tested.
Input Test Waveforms and
Measurement Level
Output Test Load
Note: 1. This parameter is characterized and is not 100% tested.
AC Read Characteristics
Symbol Parameter
AT28LV64B-20 AT28LV64B-25
UnitsMin Max Min Max
t
ACC
Address to Output Delay 200 250 ns
t
CE
(1)
CE to Output Delay 200 250 ns
t
OE
(2)
OE to Output Delay 0 80 0 100 ns
t
DF
(3)(4)
CE or OE toOutputFloat 055060ns
t
OH
Output Hold from OE,CEor Address, whichever
occurred first
00ns
t
R
,t
F
<20ns
Pin Capacitance
f=1MHz,T=25°C
(1)
Symbol Typ Max Units Conditions
C
IN
46pFV
IN
=0V
C
OUT
812pFV
OUT
=0V