Timing waveforms, Data polling characteristics, Toggle bit characteristics – Rainbow Electronics W29C040 User Manual
Page 13: Read cycle timing diagram
W29C040
Publication Release Date: May 1999
- 13 -
Revision A5
AC Characteristics, continued
DATA Polling Characteristics
(1)
PARAMETER
SYMBOL
MIN.
TYP.
MAX.
UNIT
Data Hold Time
T
DH
10
-
-
nS
OE Hold Time
T
OEH
10
-
-
nS
OE to Output Delay
(2)
T
OE
-
-
-
nS
Write Recovery Time
T
WR
0
-
-
nS
Notes:
(1) These parameters are characterized and not 100% tested.
(2) See T
OE
spec in A.C. Read Cycle Timing Parameters
.
Toggle Bit Characteristics
(1)
PARAMETER
SYMBOL
MIN.
TYP.
MAX.
UNIT
Data Hold Time
T
DH
10
-
-
nS
OE Hold Time
T
OEH
10
-
-
nS
OE to Output Delay
(2)
T
OE
-
-
-
nS
OE High Pulse
T
OEHP
150
-
-
nS
Write Recovery Time
T
WR
0
-
-
nS
Notes:
(1) These parameters are characterized and not 100% tested.
(2) See T
OE
spec in A.C. Read Cycle Timing Parameters
.
TIMING WAVEFORMS
Read Cycle Timing Diagram
Address A18-0
DQ7-0
Data Valid
Data Valid
High-Z
CE
OE
WE
T
RC
V
IH
T
OE
T
CE
T
OH
T
AA
T
CHZ
T
OHZ
High-Z