Timing waveforms, Data polling and toggle bit timing parameters, Read cycle timing diagram – Rainbow Electronics W49F002U User Manual
Page 15
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W49F002U
Publication Release Date: April 2000
- 15 -
Revision A2
AC Characteristics, continued
Data Polling and Toggle Bit Timing Parameters
PARAMETER SYM. W49F002U-70 W49F002U-90 W49F002U-120 UNIT
MIN.
MAX.
MIN.
MAX.
MIN.
MAX.
OE to Data Polling Output Delay T
OEP
- 35 - 40 - 50
nS
CE to Data Polling Output Delay T
CEP
- 70 - 90 - 120
nS
OE to Toggle Bit Output Delay
T
OET
- 35 - 40 - 50
nS
CE to Toggle Bit Output Delay
T
CET
- 70 - 90 - 120
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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