AT49F1604(T)/1614(T)
10
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 (CL = 5 pF).
4. This parameter is characterized and is not 100% tested.
Input Test Waveforms and
Measurement Level
t
R
, t
F
< 5 ns
Output Test Load
Note: 1. This parameter is characterized and is not 100% tested.
AC Read Characteristics
Symbol Parameter
AT49F16X4(T)-90
UnitsMin Max
t
ACC
Address to Output Delay 90 ns
t
CE
(1)
CE to Output Delay 90 ns
t
OE
(2)
OE to Output Delay 040ns
t
DF
(3)(4)
CE or OE to Output Float 0 25 ns
t
OH
Output Hold from OE, CE or Address, whichever occurred first 0 ns
t
RO
RESET to Output Delay 800 ns
OUTPUT
VALID
OUTPUT
HIGH Z
RESET
OE
tOE
tCE
ADDRESS VALID
tDF
tOH
tACC
tRO
CE
ADDRESS
3.0
Pin Capacitance
f = 1 MHz, T = 25°C
(1)
Symbol Typ Max Units Conditions
C
IN
46pFV
IN
= 0V
C
OUT
812pFV
OUT
= 0V
