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28F320C3 Datasheet(PDF) 44 Page - Intel Corporation |
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28F320C3 Datasheet(HTML) 44 Page - Intel Corporation |
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44 / 68 page ![]() Intel£ Advanced+ Boot Block Flash Memory (C3) 44 Datasheet Table 18. Write Operations—16 Mbit Density #Sym Parameter Density 16 Mbit Unit Product 70ns 80ns 90ns 110 ns VCC 3.0 V – 3.6 V 80 100 2.7V –3.6 V 70 80 90 110 Note Min Min Min Min Min Min W1 tPHWL / tPHEL RP# High Recovery to WE# (CE#) Going Low 4,5 150 150 150 150 150 150 ns W2 tELWL / tWLEL CE# (WE#) Setup to WE# (CE#) Going Low 4,5 0 0 0 0 0 0 ns W3 tWLWH / tELEH WE#(CE#) PulseWidth 1,4,5 45 50 50 60 70 70 ns W4 tDVWH / tDVEH Data Setup to WE# (CE#) Going High 2,4,5 40 40 50 50 60 60 ns W5 tAVWH / tAVEH Address Setup to WE# (CE#) Going High 2,4,5 50 50 50 60 70 70 ns W6 tWHEH / tEHWH CE# (WE#) Hold Time from WE# (CE#) High 4,5 0 0 0 0 0 0 ns W7 tWHDX / tEHDX Data Hold Time from WE# (CE#) High 2,4,5 0 0 0 0 0 0 ns W8 tWHAX / tEHAX Address Hold Time from WE# (CE#) High 2,4,5 0 0 0 0 0 0 ns W9 tWHWL / tEHEL WE# (CE#) Pulse Width High 1,4,5 25 30 30 30 30 30 ns W10 tVPWH / tVPEH VPP Setup to WE# (CE#) Going High 3,4,5 200 200 200 200 200 200 ns W11 tQVVL VPP Hold from Valid SRD 3,4 0 0 0 0 0 0 ns W12 tBHWH / tBHEH WP# Setup to WE# (CE#) Going High 3,4 0 0 0 0 0 0 ns W13 tQVBL WP# Hold from Valid SRD 3,4 0 0 0 0 0 0 ns W14 tWHGL WE#HightoOE# GoingLow 3,4 30 30 30 30 30 30 ns NOTES: 1. Write pulse width (tWP) is defined from CE# or WE# going low (whichever goes low last) to CE# or WE# going high (whichever goes high first). Hence, tWP =tWLWH =tELEH =tWLEH =tELWH. Similarly, write pulse width high (tWPH) is defined from CE# or WE# going high (whichever goes high first) to CE# or WE# going low (whichever goes low last). Hence, tWPH =tWHWL =tEHEL =tWHEL =tEHWL. 2. Refer to Table 7, “Command Bus Operations” on page 24 for valid AIN or DIN. 3. Sampled, but not 100% tested. 4. See Figure 11, “AC Input/Output Reference Waveform” on page 49 for timing measurements and maximum allowable input slew rate. 5. See Figure 9, “Write Operations Waveform” on page 47. |
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