AT28BV64B-20JU Просмотр технического описания (PDF) - Atmel Corporation

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AT28BV64B-20JU

64K (8K x 8) Battery-Voltage Parallel EEPROM with Page Write and Software Data Protection

Atmel Corporation 

18. Software Data Protection Write Cycle Waveforms(1)(2)(3)

Notes:

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

code has been entered.

3. OE must be high only when WE and CE are both low.

19. Data Polling Characteristics(1)

Symbol Parameter

tDH

tOEH

tOE

tWR

Notes:

Data Hold Time

OE Hold Time

OE to Output Delay(2)

Write Recovery Time

1. These parameters are characterized and not 100% tested.

2. See AC Read Characteristics.

20. Data Polling Waveforms

Min

Typ

Max

Units

0

ns

0

ns

ns

0

ns

10 AT28BV64B

0299H–PEEPR–10/06

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