at28bv64b ATMEL Corporation, at28bv64b Datasheet - Page 10

• Manufacturer Part Number: at28bv64b
• Description: 64k 8k X 8 Battery-voltage Parallel Eeprom With Page Write And Software Data Protection
• Manufacturer: ATMEL Corporation

18. Software Data Protection Write Cycle Waveforms
Notes:
19. Data Polling Characteristics
Notes:
20. Data Polling Waveforms
10
Symbol
t
t
t
t
DH
OEH
OE
WR
1. A0 - A12 must conform to the addressing sequence for the first three bytes as shown above.
2. A6 through A12 must specify the same page address during each high to low transition of WE (or CE) after the software
3. OE must be high only when WE and CE are both low.
1. These parameters are characterized and not 100% tested.
2. See AC Read Characteristics.
AT28BV64B
code has been entered.
Parameter
Data Hold Time
OE Hold Time
OE to Output Delay
Write Recovery Time
(2)
(1)
Min
0
0
0
(1)(2)(3)
Typ
Max
0299H–PEEPR–10/06
Units
ns
ns
ns
ns