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Datenblatt-Suchmaschine für elektronische Bauteile |
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Datenblatt-Suchmaschine für elektronische Bauteile |
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AT25DF321A-MH-Y Datenblatt(PDF) 43 Page - ATMEL Corporation |
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AT25DF321A-MH-Y Datenblatt(HTML) 43 Page - ATMEL Corporation |
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43 / 52 page  43 3686D–DFLASH–12/09 Atmel AT25DF321A 14.4 AC Characteristics – Maximum Clock Frequencies Symbol Parameter Min Max Units Atmel RapidS and SPI Operation f MAX Maximum Clock Frequency for All Operations –Atmel RapidS Operation Only (excluding 0Bh, 03h, 3Bh, and 9F opcodes) 100 MHz f CLK Maximum Clock Frequency for All Operations (excluding 03h and 3Bh opcodes) 85 MHz f RDLF Maximum Clock Frequency for 03h Opcode (Read Array – Low Frequency) 50 MHz f RDDO Maximum Clock Frequency for 3Bh Opcode (Dual-Output Read) 85 MHz 14.5 AC Characteristics – All Other Parameters Symbol Parameter Min Max Units t CLKH Clock High Time 4.3 ns t CLKL Clock Low Time 4.3 ns t CLKR (1) Clock Rise Time, Peak-to-Peak (Slew Rate) 0.1 V/ns t CLKF (1) Clock Fall Time, Peak-to-Peak (Slew Rate) 0.1 V/ns t CSH Chip Select High Time 50 ns t CSLS Chip Select Low Setup Time (relative to Clock) 5 ns t CSLH Chip Select Low Hold Time (relative to Clock) 5 ns t CSHS Chip Select High Setup Time (relative to Clock) 5 ns t CSHH Chip Select High Hold Time (relative to Clock) 5 ns t DS Data In Setup Time 2ns t DH Data In Hold Time 1ns t DIS (1) Output Disable Time 5ns t V (2) Output Valid Time 5ns t OH Output Hold Time 2ns t HLS HOLD Low Setup Time (relative to Clock) 5 ns t HLH HOLD Low Hold Time (relative to Clock) 5 ns t HHS HOLD High Setup Time (relative to Clock) 5 ns t HHH HOLD High Hold Time (relative to Clock) 5 ns t HLQZ (1) HOLD Low to Output High-Z 5ns t HHQX (1) HOLD High to Output Low-Z 5ns t WPS (1)(3) Write Protect Setup Time 20 ns t WPH (1)(3 ) Write Protect Hold Time 100 ns t SECP (1) Sector Protect Time (from Chip Select High) 20 ns t SECUP (1) Sector Unprotect Time (from Chip Select High) 20 ns t LOCK (1) Sector Lockdown and Freeze Sector Lockdown State Time (from Chip Select High) 200 µs |
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