AT28BV64B-25JC ATMEL Corporation, AT28BV64B-25JC Datasheet - Page 8

• Manufacturer Part Number: AT28BV64B-25JC
• Description: 64K (8K x 8) Battery-Voltage Parallel EEPROM with Page Write and Software Data Protection
• Manufacturer: ATMEL Corporation

Software Data Protection Write Cycle Waveforms
Notes:
Data Polling Characteristics
Notes:
Data Polling Waveforms
8
Symbol
t
t
t
t
DH
OEH
OE
WR
1.
2.
3.
1. These parameters are characterized and not 100% tested.
2. See AC Read Characteristics.
A0 - A12 must conform to the addressing sequence for the first three bytes as shown above.
A6 through A12 must specify the same page address during each high to low transition of WE (or CE) after the software
code has been entered.
OE must be high only when WE and CE are both low.
Parameter
Data Hold Time
OE Hold Time
OE to Output Delay
Write Recovery Time
AT28BV64B
(2)
(1)
(1)(2)(3)
Min
0
0
0
Typ
Max
Units
ns
ns
ns
ns