Owner manual

W24257
- 4 -
AC Characteristics, continued
(VDD = 5V ±10%, VSS = 0V, TA = 0 to 70° C)
Read Cycle
PARAMETER SYM. W24257-70 W24257-10 UNIT
MIN. MAX. MIN. MAX.
Read Cycle Time TRC 70 - 100 - nS
Address Access Time TAA - 70 - 100 nS
Chip Select Access Time TACS - 70 - 100 nS
Output Enable to Output Valid TAOE - 35 - 50 nS
Chip Selection to Output in Low Z TCLZ* 10 - 10 - nS
Output Enable to Output in Low Z TOLZ* 5 - 5 - nS
Chip Deselection to Output in High Z TCHZ* - 30 - 35 nS
Output Disable to Output in High Z TOHZ* - 30 - 35 nS
Output Hold from Address Change TOH 10 - 10 - nS
∗ These parameters are sampled but not 100% tested
Write Cycle
PARAMETER SYM. W24257-70 W24257-10 UNIT
MIN. MAX. MIN. MAX.
Write Cycle Time TWC 70 - 100 - nS
Chip Selection to End of Write TCW 60 - 80 - nS
Address Valid to End of Write TAW 60 - 80 - nS
Address Setup Time TAS 0 - 0 - nS
Write Pulse Width TWP 45 - 60 - nS
Write Recovery Time
CS
,
WE
TWR 0 - 0 - nS
Data Valid to End of Write TDW 30 - 40 - nS
Data Hold from End of Write TDH 0 - 0 - nS
Write to Output in High Z TWHZ* - 30 - 30 nS
Output Disable to Output in High Z TOHZ* - 30 - 30 nS
Output Active from End of Write TOW 0 - 0 - nS
∗ These parameters are sampled but not 100% tested