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M29W640FT 数据表(PDF) 43 Page - STMicroelectronics |
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M29W640FT 数据表(HTML) 43 Page - STMicroelectronics |
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43 / 72 page ![]() M29W640FT, M29W640FB 7 DC and AC parameters 43/72 Figure 12. Reset/Block Temporary Unprotect AC Waveforms Figure 13. Accelerated Program Timing Waveforms Table 16. Reset/Block Temporary Unprotect AC Characteristics Symbol Alt Parameter M29W640FT, M29W640FB Unit tPHWL (1) tPHEL tPHGL (1) 1. Sampled only, not 100% tested. tRH RP High to Write Enable Low, Chip Enable Low, Output Enable Low Min 50 ns tRHWL (1) tRHEL (1) tRHGL (1) tRB RB High to Write Enable Low, Chip Enable Low, Output Enable Low Min 0 ns tPLPX tRP RP Pulse Width Min 500 ns tPLYH tREADY RP Low to Read Mode Max 50 µs tPHPHH (1) tVIDR RP Rise Time to VID Min 500 ns tVHVPP (1) VPP Rise and Fall Time Min 250 ns AI02931B RB W, RP tPLPX tPHWL, tPHEL, tPHGL tPLYH tPHPHH E, G tRHWL, tRHEL, tRHGL AI05563 VPP/WP VPP VIL or VIH tVHVPP tVHVPP |
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