at29bv020 ATMEL Corporation, at29bv020 Datasheet - Page 7

• Manufacturer Part Number: at29bv020
• Description: 2-megabit 256k X 8 Single 2.7-volt Battery-voltage Flash Memory
• Manufacturer: ATMEL Corporation

9. AC Read Characteristics
10. AC Read Waveforms
Notes:
0402E–FLASH–2/05
Symbol
t
t
t
t
t
Note:
ACC
CE
OE
DF
OH
(1)
(3)(4)
(2)
1. CE may be delayed up to t
2. OE may be delayed up to t
3. t
4. This parameter is characterized and is not 100% tested.
without impact on t
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
DF
is specified from OE or CE whichever occurs first (CL = 5 pF).
Not recommended for New Designs.
ACC
.
ACC
CE
- t
- t
OE
CE
after the falling edge of CE without impact on t
after the address transition without impact on t
AT29BV020-12
Min
0
0
0
Max
120
120
50
30
AT29BV020-15
Min
0
0
0
Max
150
150
70
40
AT29BV020-25
Min
0
0
0
CE
ACC
or by t
.
Max
250
250
120
60
ACC
- t
OE
AT29BV020-35
Min
0
0
0
after an address change
AT29BV020
Max
350
350
150
75
Units
ns
ns
ns
ns
ns
7