Rainbow Electronics W49F002U - Manual (Page 15)

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