11

3648B–PEEPR–4/09

AT28HC64BF

Note:

1. These parameters are characterized and not 100% tested. See “AC Read Characteristics” on page 6.

23. Data Polling Waveforms

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

2. See “AC Read Characteristics” on page 6.

25. Toggle Bit Waveforms(1)(2)(3)

Notes: 1. Toggling either OE or CE or both OE and CE will operate toggle bit.

2. Beginning and ending state of I/O6 will vary.

3. Any address location may be used, but the address should not vary.

22. Data Polling Characteristics(1)

Symbol

Parameter

Min

Typ

Max

Units

Data Hold Time

0

ns

OE Hold Time

0

ns

OE to Output Delay(1)

ns

Write Recovery Time

0

ns

24. Toggle Bit Characteristics(1)

Symbol

Parameter

Min

Typ

Max

Units

Data Hold Time

10

ns

OE Hold Time

10

ns

OE to Output Delay(2)

ns

OE High Pulse

150

ns

Write Recovery Time

0

ns

(2)