at28hc256e-70pc ATMEL Corporation, at28hc256e-70pc Datasheet - Page 6

• Manufacturer Part Number: at28hc256e-70pc
• Description: 256 32k X 8 High-speed Parallel Eeprom
• Manufacturer: ATMEL Corporation

9. AC Read Characteristics
10. AC Read Waveforms
Notes:
6
t
t
t
t
t
ACC
CE
OE
DF
OH
Symbol
(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.
AT28HC256
without impact on t
DF
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
is specified from OE or CE whichever occurs first (C
Parameter
ACC
.
ACC
CE
(1)(2)(3)(4)
- t
- t
OE
CE
after the falling edge of CE without impact on t
after the address transition without impact on t
AT28HC256-70
Min
0
0
0
L
= 5 pF).
Max
70
70
35
35
Min
AT28C256-90
0
0
0
CE
Max
ACC
90
90
40
40
or by t
.
ACC
Min
AT28HC256-12
- t
0
0
0
OE
after an address change
Max
120
120
50
50
0007L–PEEPR–03/08
Units
ns
ns
ns
ns
ns