Data polling waveforms, Toggle bit waveforms, Data polling characteristics – Rainbow Electronics AT49LV002NT User Manual
Page 10: Toggle bit characteristics
AT49BV/LV002(N)(T)
10
Notes:
1. These parameters are characterized and not 100% tested.
2. See t
OE
spec in AC Read Characteristics.
Data Polling Waveforms
Notes:
1. These parameters are characterized and not 100% tested.
2. See t
OE
spec in AC Read Characteristics.
Toggle Bit Waveforms
(1)(2)(3)
Notes:
1.
Toggling either OE or CE or both OE and CE will operate toggle bit.
The t
OEHP
specification must be met by the toggling input(s).
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
10
ns
t
OEH
OE Hold Time
10
ns
t
OE
OE to Output Delay
(2)
ns
t
WR
Write Recovery Time
0
ns
HIGH Z
An
An
An
An
An
WE
CE
OE
I/O7
A0-A17
t
OEH
t
OE
t
DH
t
WR
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
(2)
ns
t
OEHP
OE High Pulse
150
ns
t
WR
Write Recovery Time
0
ns
WE
CE
OE
I/O6
t
OEH
HIGH Z
t
DH
t
OE
t
WR
t
OEHP