Owner manual

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