AT29LV256-20PI ATMEL [ATMEL Corporation], AT29LV256-20PI Datasheet - Page 5

• Manufacturer Part Number: AT29LV256-20PI
• Description: 256K 32K x 8 3-volt Only CMOS Flash Memory
• Manufacturer: ATMEL [ATMEL Corporation]

Notes:
1. CE may be delayed up to t
2. OE may be delayed up to t
AC Read Characteristics
Input Test Waveforms and Measurement Level
t
Pin Capacitance
Note:
AC Read Waveforms
R
Symbol
t
t
t
t
t
ACC
CE
OE
DF
OH
, t
tion without impact on t
of CE without impact on t
change without impact on t
C
C
F
(3, 4)
(1)
(2)
IN
OUT
< 5 ns
1. These parameters are characterized and not 100% tested.
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
ACC
CE
ACC
CE
ACC
.
(f = 1 MHz, T = 25°C)
or by t
- t
- t
.
OE
CE
(1, 2, 3, 4)
ACC
after the falling edge
after the address transi-
- t
OE
Typ
4
8
after an address
AT29LV256-15
Min
0
0
0
(1)
Max
150
150
70
40
Max
3. t
4. This parameter is characterized and is not 100% tested.
12
6
(C
DF
L
is specified from OE or CE whichever occurs first
= 5 pF).
AT29LV256-20
Min
0
0
0
Max
200
200
100
50
Output Test Load
Units
pF
pF
AT29LV256
AT29LV256-25
Min
0
0
0
Conditions
V
V
Max
250
250
120
IN
OUT
60
= 0V
= 0V
Units
ns
ns
ns
ns
ns
4-37