| 전자부품 데이터시트 검색엔진 |
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TMS29LF040 데이터시트(PDF) 15 Page - Texas Instruments |
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TMS29LF040 데이터시트(HTML) 15 Page - Texas Instruments |
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15 / 38 page ![]() TMS29LF040, TMS29VF040 524288 BY 8-BIT FLASH MEMORIES SMJS825D – SEPTEMBER 1995 – REVISED JUNE 1998 15 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251–1443 timing requirements controlled by W (see Figure 4, Figure 7, Figure 9, Figure 11, Figure 13, Figure 15, and Figure 17) ALTERNATE SYMBOL ’29LF040-80 ’29LF040-90 ’29LF040-10 ’29VF040-10 UNIT SYMBOL MIN TYP MAX MIN TYP MAX MIN TYP MAX tAVAV Cycle time, write tc(W) 80 90 100 ns tWHWH1 Cycle time, programming operation tc(W)PR 20 20 20 µs tWHWH2 Cycle time, sector-erase operation 2 30 2 30 2 30 s tWHWH3 Cycle time, chip-erase operation 14 120 14 120 14 120 s tWLAX Hold time, address th(A) 45 45 45 ns tWHDX Hold time, data valid after W high th(D) 0 0 0 ns tWHEH Hold time, E th(E) 0 0 0 ns tWHWL Pulse duration, W high tw(WH) 20 20 20 ns tWLWH1 Pulse duration, W low tw(WL) 35 45 45 ns tWLWH2 Pulse duration, W low (see Note 7) 100 100 100 µs tWLWH3 Pulse duration, W low (see Note 8) 10 10 10 ms tGHWL Recovery time, read before write trec(R) 0 0 0 ns tAVWL Setup time, address tsu(A) 0 0 0 ns tDVWH Setup time, data tsu(D) 35 45 45 ns tAVGH Setup time, A0 and A6 low and A1 high to G high (see Note 7) 0 0 0 ns tAVGEH Setup time, A0 low and A1 high to G and E high (see Note 8) 0 0 0 ns tELWL Setup time, E tsu(E) 0 0 0 ns tGHWH Setup time, G 0 0 0 ns tVCEL Setup time, VCC 50 50 50 µs tEHVWL Setup time, E VID to W (see Note 8) 4 4 4 µs tGHVWL Setup time, G VID to W (see Notes 7 and 8) 4 4 4 µs tHVT Transition time, VID (see Notes 7 and 8) 4 4 4 µs NOTES: 7. Sector-protect timing (see Figure 15) 8. Sector-unprotect timing (see Figure 17) |
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