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MCM28F256ACH 数据表(PDF) 7 Page - Texas Instruments |
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MCM28F256ACH 数据表(HTML) 7 Page - Texas Instruments |
7 / 14 page AC Electrical Characteristics Read Operations (Continued) Military Industrial Symbol Parameter TC eb55 Cto a125 CTC eb45 Cto a85 C Units VCC e 45V to 55V VCC e 45V to 55V Min Max Min Max tOH Output Hold from Address CE or RE 00 ns Change Whichever Occurs First tFLQV BYTE to Output Delay 160 140 ns tFHQV tFLQZ BYTE Low to Output High Z 35 30 ns tELFL CE Low to BYTE 00 ns tELFH Low or High AC Electrical Characteristics WE Controlled Command Write Operations Military Industrial Symbol Parameter TC eb55 Cto a125 CTC eb45 Cto a85 C Units VCC e 45V to 55V VCC e 45V to 55V Min Max Min Max tAVAV Write Cycle Time 160 140 ns tVPWH VPP Setup to WE Going High 300 250 ns tPHEL RP Setup to CE Going Low 700 600 ns tELWL CE Setup to WE Going Low 40 35 ns tAVWL Address A20–A24 Setup to 20 15 ns WE Going Low tAVWH Address A0–A20 Setup to 70 60 ns WE Going High tDVWH Data Setup to WE Going High 70 60 ns tWLWH WE Pulse Width Low 70 60 ns tWHDX Data Hold from WE High 10 5 ns tWHAX Address Hold from WE High 20 15 ns tWHEH CE Hold from WE High 20 15 ns tWHWL WE Pulse Width High 70 60 ns tGHWL Read Recovery before Write 0 0 ns tWHRL WE High to RYBY Going Low 150 130 ns tRHPL RP Hold from Valid Status Register 00 ns (CSR GSR BSR) Data and RYBY High tPHWL RP High Recovery to WE Going Low 15 125 m s tWHGL Write Recovery before Read 110 100 ns tQVVL VPP Hold from Valid Status Register (CSR 00 m s GSR BSR) Data and RYBY High tWHQV1 Duration of WordByte Write Operation 30 36 m s (Measured to Valid Status Register Data) tWHQV2 Duration of Block Erase Operation 02 024 m s (Measured to Valid Status Register Data) Address lines A20–A24 must be valid during the entire WE Low pulse 6 |
类似零件编号 - MCM28F256ACH |
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类似说明 - MCM28F256ACH |
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