AT28HC64B
Data Polling Characteristics
(1)
Symbol
t
DH
t
OEH
t
OE
t
WR
Parameter
Data Hold Time
OE Hold Time
OE to Output Delay
(2)
Write Recovery Time
0
2. See AC Read Characteristics.
Min
0
0
Typ
Max
Units
ns
ns
ns
ns
Notes: 1. These parameters are characterized and not 100% tested.
Data Polling Waveforms
Toggle Bit Characteristics
(1)
Symbol
t
DH
t
OEH
t
OE
t
OEHP
t
WR
Parameter
Data Hold Time
OE Hold Time
OE to Output Delay
(2)
OE High Pulse
Write Recovery Time
150
0
2. See AC Read Characteristics.
Min
10
10
Typ
Max
Units
ns
ns
ns
ns
ns
Notes: 1. These parameters are characterized and not 100% tested.
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.
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