Ac read waveforms, Input test waveform and measurement level, Output load test – Rainbow Electronics AT49LV002NT User Manual
Page 7: Ac read characteristics, Pin capacitance
AT49BV/LV002(N)(T)
7
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 Waveform and
Measurement Level
t
R
, t
F
< 5
Output Load Test
Note:
1. This parameter is characterized and is not 100% tested.
AC Read Characteristics
Symbol
Parameter
AT49LV002(N)(T)-70
AT49BV/LV002(N)(T)-90
AT49BV/LV002(N)(T)-12
Units
Min
Max
Min
Max
Min
Max
t
ACC
Address to Output Delay
70
90
120
ns
t
CE
(1)
CE to Output Delay
70
90
120
ns
t
OE
(2)
OE to Output Delay
0
35
0
40
0
50
ns
t
DF
(3)(4)
CE or OE to Output Float
0
25
0
25
0
30
ns
t
OH
Output Hold from OE, CE or
Address, whichever occurred first
0
0
0
ns
ADDRESS
OUTPUT
HIGH Z
OUTPUT
OE
CE
t
ACC
t
OE
t
DF
t
OH
t
CE
VALID
ADDRESS VALID
AC
MEASUREMENT
LEVEL
AC
DRIVING
LEVELS
0.4V
2.4V
1.5V
OUTPUT
PIN
3.0V
30 pF
1.8K
1.3K
Pin Capacitance
f = 1 MHz, T = 25°C
(1)
Symbol
Typ
Max
Units
Conditions
C
IN
4
6
pF
V
IN
= 0V
C
OUT
8
12
pF
V
OUT
= 0V