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TMS28F033 Datasheet(PDF) 33 Page - Texas Instruments |
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TMS28F033 Datasheet(HTML) 33 Page - Texas Instruments |
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33 / 52 page ![]() TMS28F033 4194304-BIT SYNCHRONOUS FLASH MEMORY SMJS833 – NOVEMBER 1997 33 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251–1443 switching characteristics over recommended ranges of supply voltage and ambient temperature range, synchronous reads with asynchronous OE operations (see Figure 20) PARAMETER 3.3-V VDDE RANGE 5-V VDDE RANGE UNITS MIN MAX MIN MAX tGLQD OE low to data bus driven 0 0 ns DCR[7:6] = 00 TBD TBD ns tGLQV OE low to data valid DCR[7:6] = 01 TBD TBD ns DCR[7:6] = 1X TBD TBD ns tGHQX OE high to data invalid TBD TBD ns tGHQZ OE high to data high Z TBD TBD ns timing requirements over recommended ranges of supply voltage and ambient temperature range, synchronous write/erase operations (see Figure 22, Figure 24, and Figure 25) 3.3-V VDDE RANGE 5-V VDDE RANGE UNITS MIN MAX MIN MAX tCHEH Hold time, E from CLK high TBD TBD ns tCHRH Hold time, WR from CLK high 3 3 ns tCHWH Hold time, WE from CLK high 2 2 ns tCHDX Hold time, CLK high to data 3 3 ns tYHVL Hold time, VPP from RY/BY high 0 0 ns tCHYH1 Duration of double-word/word write operation TBD TBD TBD TBD ns tCHYH2 Duration of double-word/word write operation in low-power programming (LPP) mode TBD TBD TBD TBD ns tCHYH3 Duration of block-erase operation TBD TBD TBD TBD ns tCHYH4 Duration of block-erase operation in LPP mode TBD TBD TBD TBD ns tELCH Setup time, E to CLK high TBD TBD ns tRLCH Setup time, WR to CLK high 10 10 ns tWLCH Setup time, WE to CLK high 9 9 ns tDVCH Setup time, data to CLK high 10 10 ns tVHCH Setup time, VPP to LBA/CLK high TBD TBD ns tCHYL CLK high to RY/BY low TBD TBD ns |
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