Data polling waveforms, Toggle bit waveforms, Data polling characteristics – Rainbow Electronics Preliminary User Manual
Page 11: Toggle bit characteristics
AT49F004/4096A(T)
11
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
(1)
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
A0-A18
I/O7
OE
An
An
An
An
An
HIGH Z
CE
WE
tDH
tOE
tOEH
tWR
Toggle Bit Characteristics
(1)
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