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TMS28F200AST Datasheet(PDF) 53 Page - Texas Instruments |
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TMS28F200AST Datasheet(HTML) 53 Page - Texas Instruments |
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53 / 79 page  TMS28F002Axy, TMS28F200Axy 262144 BY 8-BIT/131072 BY 16-BIT AUTO-SELECT BOOT-BLOCK FLASH MEMORIES SMJS826D – JANUARY 1996 – REVISED SEPTEMBER 1997 53 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251–1443 power-up and reset switching characteristics for TMS28F002AFy and TMS28F200AFy over recommended ranges of supply voltage (commercial and extended temperature ranges) (see Notes 11, 12, and 13) (see Table 9 and Figure 7) ALT ’28F002AFy 60 ’28F200AFy 60 ’28F002AFy 70 ’28F200AFy 70 ’28F002AFy 80 ’28F200AFy 80 PARAMETER ALT. SYMBOL 5 V VCC RANGE 5 V VCC RANGE 5 V VCC RANGE UNIT MIN MAX MIN MAX MIN MAX tsu(VCC) Setup time, RP low to VCC at 4.5 V MIN (to VCC at 3 V MIN or 3.6 V MAX) (see Note 14) tPL5V tPL3V 0 0 0 ns ta(DV) Access time from address valid to data valid for VCC = 5 V ± 10% tAVQV 60 70 80 ns tsu(DV) Setup time, RP high to data valid for VCC = 5 V ± 10% tPHQV 450 450 450 ns th(RP5) Hold time, VCC at 4.5 V (MIN) to RP high t5VPH 2 2 2 µs NOTES: 11. Characterization data available 12. All ac current values are RMS unless otherwise noted. 13. E and G are switched low after power up. 14. The power supply can switch low concurrently with RP going low. power-up and reset switching characteristics for TMS28F002AFy and TMS28F200AFy over recommended ranges of supply voltage (automotive temperature range) (see Notes 11, 12, 13) ALT ’28F002AFy70 ’28F200AFy70 ’28F002AFy80 ’28F200AFy80 ’28F002AFy90 ’28F200AFy90 PARAMETER ALT. SYMBOL 5 V VCC RANGE 5 V VCC RANGE 5 V VCC RANGE UNIT MIN MAX MIN MAX MIN MAX tsu(VCC) Setup time, RP low to VCC at 4.5 V MIN (to VCC at 3 V MIN or 3.6 V MAX) (see Note 14) tPL5V tPL3V 0 0 0 ns ta(DV) Access time from address valid to data valid for VCC = 5 V ± 10% tAVQV 70 80 90 ns tsu(DV) Setup time, RP high to data valid for VCC = 5 V ± 10% tPHQV 450 450 450 ns th(RP5) Hold time, VCC at 4.5 V (MIN) to RP high t5VPH 2 2 2 µs NOTES: 11. Characterization data available 12. All ac current values are RMS unless otherwise noted. 13. E and G are switched low after power up. 14. The power supply can switch low concurrently with RP going low. |
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