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STK1743-D25I Folha de dados(PDF) 6 Page - List of Unclassifed Manufacturers |
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STK1743-D25I Folha de dados(HTML) 6 Page - List of Unclassifed Manufacturers |
6 / 10 page STK1743 March 1999 7-6 SOFTWARE 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. SOFTWARE CYCLES #1 & #2m, n (VCC = 5.0V ± 10%) Note m: The software sequence is clocked with E controlled reads. Note n: The six consecutive addresses must be in the order listed in the Software Mode Selection Table: (0000, 1555, 0AAA, 1FFF, 10F0, 0F0F) for a STORE cycle or (0000, 1555, 0AAA, 1FFF, 10F0, 0F0E) for a RECALL cycle. W must be high during all six consecutive cycles. SOFTWARE CYCLE: E Controlled E W A12 - A0 (hex) MODE I/O NOTES LH 0000 1555 0AAA 1FFF 10F0 0F0F 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 LH 0000 1555 0AAA 1FFF 10F0 0F0E 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 NO. SYMBOLS PARAMETER STK1743-25 STK1743-35 STK1743-45 UNITS #1 MIN MAX MIN MAX MIN MAX 27 tAVAV STORE/RECALL Initiation Cycle Time 25 35 45 ns 28 tAVEL m Address Set-up Time 0 0 0 ns 29 tELEH m Clock Pulse Width 20 25 30 ns 30 tELAX g, m Address Hold Time 20 20 20 ns 31 tRECALL RECALL Duration 20 20 20 µs HIGH IMPEDENCE ADDRESS #6 ADDRESS #1 DATA VALID 27 tAVAV DATA VALID 23 31 tSTORE / tRECALL 27 tAVAV 28 tAVEL 29 tELEH 30 tELAX E ADDRESS DQ (DATA OUT) |
Nº de peça semelhante - STK1743-D25I |
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Descrição semelhante - STK1743-D25I |
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