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M27256-3F1 Folha de dados(PDF) 6 Page - STMicroelectronics |
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M27256-3F1 Folha de dados(HTML) 6 Page - STMicroelectronics |
6 / 11 page Symbol Alt Parameter Test Condition Min Max Unit tAVEL tAS Address Valid to Chip Enable Low 2 µs tQVEL tDS Input Valid to Chip Enable Low 2 µs tVCHEL tVCS VCC High to Chip Enable Low 2 µs tVPHEL tOES VPP High to Chip Enable Low 2 µs tVPLVPH tPRT VPP Rise Time 50 ns tELEH tPW Chip Enable Program Pulse Width (Initial) Note 2 0.95 1.05 ms tELEH tOPW Chip Enable Program Pulse Width (Overprogram) Note 3 2.85 78.75 ms tEHQX tDH Chip Enable High to Input Transition 2 µs tEHVPX tOEH Chip Enable High to VPP Transition 2 µs tVPLEL tVR VPP Low to Chip Enable Low 2 µs tELQV tDV Chip Enable Low to Output Valid 1 µs tEHQZ (4) tDF Chip Enable High to Output Hi- Z 0 130 ns tEHAX tAH Chip Enable High to Address Transition 0n s Notes. 1. VCC must be applied simultaneously with or before VPP and removed simultaneously or after VPP. 2. The Initial Program Pulse width tolerance is 1 ms ± 5%. 3. The length of the Over-program Pulse varies from 2.85 ms to 78.95 ms, depending on the multiplication value of the iteration counter. 4. Sampled only, not 100% tested. Table 10. Programming Mode AC Characteristics (1) (TA = 25 °C; VCC = 6.25V ± 0.25V; VPP = 12.75V ± 0.25V) Symbol Alt Parameter Test Condition Min Max Unit tA9HVPH tAS9 VA9 High to VPP High 2 µs tVPHEL tVPS VPP High to Chip Enable Low 2 µs tA10HEH tAS10 VA10 High to Chip Enable High (Set) 1 µs tA10LEH tAS10 VA10 Low to Chip Enable High (Reset) 1 µs tEXA10X tAH10 Chip Enable Transition to VA10 Transition 1 µs tEXVPX tVPH Chip Enable Transition to VPP Transition 2 µs tVPXA9X tAH9 VPP Transition to VA9 Transition 2 µs Note: 1. VCC must be applied simultaneously with or before VPP and removed simultaneously or after VPP. Table 9. MARGIN MODE AC Characteristics (1) (TA = 25 °C; VCC = 6.25V ± 0.25V; VPP = 12.75V ± 0.25V) M27512 6/11 |
Nº de peça semelhante - M27256-3F1 |
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Descrição semelhante - M27256-3F1 |
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