Timing waveforms, Data polling and toggle bit timing parameters, Read cycle timing diagram – Rainbow Electronics W49F020 User Manual
Page 13
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Preliminary W49F020
Publication Release Date: October 1999
- 13 -
Revision A1
AC Characteristics, continued
Data Polling and Toggle Bit Timing Parameters
PARAMETER SYM.
W49F020-70 W49F020-90
UNIT
MIN.
MAX.
MIN.
MAX.
OE to Data Polling Output Delay
T
OEP
-
35 - 40
nS
CE to Data Polling Output Delay
T
CEP
-
70 - 90
nS
OE to Toggle Bit Output Delay
T
OET
-
35 - 40
nS
CE to Toggle Bit Output Delay
T
CET
-
70 - 90
nS
TIMING WAVEFORMS
Read Cycle Timing Diagram
Address A17-0
DQ7-0
Data Valid
Data Valid
High-Z
CE
OE
WE
T
RC
V
IH
T
CLZ
T
OLZ
T
OE
T
CE
T
OH
T
AA
T
CHZ
T
OHZ
High-Z
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