IS61LPD51218A-250B3I中文资料(15)

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IS61VPD25636A, IS61VPD51218A, IS61LPD25636A, IS61LPD51218A

READ/WRITE CYCLE SWITCHING CHARACTERISTICS (Over Operating Range)

SymbolfMAXtKCtKHtKLtKQtKQX(2)tKQLZ(2,3)tKQHZ(2,3)tOEQtOELZ(2,3)tOEHZ(2,3)tAStWStCEStAVStDStAHtWHtCEHtAVHtDHtPDStPUS

ParameterClock FrequencyCycle TimeClock High TimeClock Low TimeClock Access TimeClock High to Output InvalidClock High to Output Low-ZClock High to Output High-ZOutput Enable to Output ValidOutput Enable to Output Low-ZOutput Disable to Output High-ZAddress Setup TimeRead/Write Setup TimeChip Enable Setup TimeAddress Advance Setup TimeData Setup TimeAddress Hold TimeWrite Hold TimeChip Enable Hold TimeAddress Advance Hold TimeData Hold TimeZZ High to Power DownZZ Low to Power Down

-250

Min.Max.

—4.01.71.7—0.80.8——0—1.21.21.21.21.20.30.30.30.30.3——

250———2.6——2.62.6—2.6——————————22

-200

Min.Max.

—522—1.51——0—1.41.41.41.41.40.40.40.40.40.4——

200———3.1——3.03.1—3.0——————————22

UnitMHznsnsnsnsnsnsnsnsnsnsnsnsnsnsnsnsnsnsnsnscyccyc

ISSI

®

Note:

1. Configuration signal MODE is static and must not change during normal operation.2. Guaranteed but not 100% tested. This parameter is periodically sampled.3.Tested with load in Figure 2.