Preliminary W24256A
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AC CHARACTERISTICS
(VDD = 5V ±10%, VSS = 0V, TA = 0 to 70° C)
Read Cycle
PARAMETER SYM. W24256A-15 W24256A-35 UNIT
MIN. MAX. MIN. MAX.
Read Cycle Time TRC 15 - 35 - nS
Address Access Time TAA - 15 - 35 nS
Chip Select Access Time TACS - 15 - 35 nS
Output Enable to Output Valid TAOE - 7 - 12 nS
Chip Selection to Output in Low Z TCLZ∗ 3 - 3 - nS
Output Enable to Output in Low Z TOLZ∗ 0 - 0 - nS
Chip Deselection to Output in High
Z TCHZ∗ - 4 - 7 nS
Output Disable to Output in High Z TOHZ∗ - 4 - 7 nS
Output Hold from Address Change TOH 3 - 3 - nS
∗ These parameters are sampled but not 100% tested.
Write Cycle
PARAMETER SYM. W24256A-15 W24256A-35 UNIT
MIN. MAX. MIN. MAX.
Write Cycle Time TWC 15 - 35 - nS
Chip Selection to End of Write TCW 12 - 20 - nS
Address Valid to End of Write TAW 12 - 20 - nS
Address Setup Time TAS 0 - 0 - nS
Write Pulse Width TWP 11 - 15 - nS
Write Recovery Time CS , WE TWR 1.5 - 1.5 - nS
Data Valid to End of Write TDW 8 - 10 - nS
Data Hold from End of Write TDH 0 - 0 - nS
Write to Output in High Z TWHZ∗ - 5 - 5 nS
Output Disable to Output in High Z TOHZ∗ - 5 - 5 nS
Output Active from End of Write TOW 3 - 3 - nS
∗ These parameters are sampled but not 100% tested.