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STK16C88 Datasheet(PDF) 7 Page - Simtek Corporation |
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STK16C88 Datasheet(HTML) 7 Page - Simtek Corporation |
7 / 12 page ![]() 7 STK16C88 February, 2007 Document Control #ML0018 Rev 0.3 SOFTWARE STORE/RECALL MODE SELECTION Note l: The six consecutive addresses must be in the order listed. W must be high during all six consecutive cycles to enable a nonvolatile cycle. Note m: While there are 15 addresses on the STK16C88, only the lower 14 are used to control software modes. SOFTWARE STORE/RECALL CYCLEn, o (VCC = 5.0V ± 10%) Note n: The software sequence is clocked with E controlled reads. Note o: The six consecutive addresses must be in the order listed in the Software STORE/RECALL Mode Selection Table: (0E38, 31C7, 03E0, 3C1F, 303F, 0FC0) for a STORE cycle or (0E38, 31C7, 03E0, 3C1F, 303F, 0C63) for a RECALL cycle. W must be high during all six consecutive cycles. SOFTWARE STORE/RECALL CYCLE: E Controlledo E W A13 - A0 (hex) MODE I/O NOTES L H 0E38 31C7 03E0 3C1F 303F 0FC0 Read SRAM Read SRAM Read SRAM Read SRAM Read SRAM Nonvolatile STORE Output Data Output Data Output Data Output Data Output Data Output High Z l, m L H 0E38 31C7 03E0 3C1F 303F 0C63 Read SRAM Read SRAM Read SRAM Read SRAM Read SRAM Nonvolatile RECALL Output Data Output Data Output Data Output Data Output Data Output High Z l, m NO. SYMBOLS PARAMETER STK16C88-25 STK16C88-45 UNITS MIN MAX MIN MAX 26 tAVAV STORE/RECALL Initiation Cycle Time 25 45 ns 27 tAVEL n Address Set-up Time 0 0 ns 28 tELEH n Clock Pulse Width 20 30 ns 29 tELAX g, n Address Hold Time 20 20 ns 30 tRECALL RECALL Cycle Duration 20 20 μs 31 tSTORE STORE Cycle Duration 10 10 ms HIGH IMPEDANCE ADDRESS #6 ADDRESS #1 DATA VALID 26 tAVAV DATA VALID DQ (DATA E ADDRESS 26 tAVAV 27 tAVEL 28 tELEH 29 tELAX 31 30 tSTORE / tRECALL |
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