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CAT28F102PI-55T Datasheet(PDF) 6 Page - Catalyst Semiconductor |
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CAT28F102PI-55T Datasheet(HTML) 6 Page - Catalyst Semiconductor |
6 / 14 page CAT28F102 6 Doc. No. 25038-0A 2/98 F-1 A.C. CHARACTERISTICS, Program/Erase Operation VCC = +5V ±10%, unless otherwise specified. JEDEC Standard 28F102-45 28F102-55 28F102-70 28F102-90 Symbol Symbol Parameter Min. Max. Min. Max. Min. Max. Min. Max. Unit tAVAV tWC Write Cycle Time 45 55 70 90 ns tAVWL tAS Address Setup Time 0 0 0 0 ns tWLAX tAH Address Hold Time 30 30 35 40 ns tDVWH tDS Data Setup Time 30 30 35 40 ns tWHDX tDH Data Hold Time 10 10 10 10 ns tELWL tCS CE Setup Time 0 0 0 0 ns tWHEH tCH CE Hold Time 0 0 0 0 ns tWLWH tWP WE Pulse Width 30 30 35 40 ns tWHWL tWPH WE High Pulse Width 20 20 20 20 ns tWHWH1(2) - Program Pulse Width 10 10 10 10 µs tWHWH2(2) - Erase Pulse Width 9.5 9.5 9.5 9.5 ms tWHGL - Write Recovery Time 6 6 6 6 µs Before Read tGHWL - Read Recovery Time 0 0 0 0 µs Before Write tVPEL - VPP Setup Time to CE 100 100 100 100 ns 28F102-45 28F102-55 28F102-70 28F102-90 Parameter Min. Typ. Max. Min. Typ. Max. Min. Typ. Max. Min. Typ. Max. Unit Chip Erase Time (3)(5) 0.5 10 0.5 10 0.5 10 0.5 10 sec Chip Program Time(3)(4) 1 6.5 1 6.5 1 6.5 1 6.5 sec Note: (1) Please refer to Supply characteristics for the value of VPPH and VPPL. The VPP supply can be either hardwired or switched. If VPP is switched, VPPL can be ground, less than VCC + 2.0V or a no connect with a resistor tied to ground. (2) Program and Erase operations are controlled by internal stop timers. (3) ‘Typicals’ are not guaranteed, but based on characterization data. Data taken at 25 °C, 12.0V VPP. (4) Minimum byte programming time (excluding system overhead) is 16 µs (10 µs program + 6 µs write recovery), while maximum is 400 µs/ byte (16 µs x 25 loops). Max chip programming time is specified lower than the worst case allowed by the programming algorithm since most bytes program significantly faster than the worst case byte. (5) Excludes 00H Programming prior to Erasure. VCC = +5V ±5% Erase and Programming Performance (1) VCC = +5V ±5% |
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