Data polling characteristics(1), Data polling waveforms, Toggle bit characteristics(1) – Rainbow Electronics AT28HC256 User Manual
Page 9: Toggle bit waveforms, Data polling characteristi cs, Toggle bit characteristic s
AT28HC256
9
Notes:
1. These parameters are characterized and not 100% tested.
2. See “AC Read Characteristics” on page 5.
Data Polling Waveforms
Notes:
1. These parameters are characterized and not 100% tested.
2. See “AC Read Characteristics” on page 5.
Toggle Bit Waveforms
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.
Data Polling Characteristics
Symbol
Parameter
Min
Typ
Max
Units
t
DH
Data Hold Time
0
ns
t
OEH
OE Hold Time
0
ns
t
OE
OE to Output Delay
ns
t
WR
Write Recovery Time
0
ns
Toggle Bit Characteristics
Symbol
Parameter
Min
Typ
Max
Units
t
DH
Data Hold Time
10
ns
t
OEH
OE Hold Time
10
ns
t
OE
OE to Output Delay
ns
t
OEHP
OE High Pulse
150
ns
t
WR
Write Recovery Time
0
ns