Owner's manual

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
TOE
T
CE
T
OH
T
AA
T
CHZ
T
OHZ
High-Z