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STK14C88-NF25 Folha de dados(PDF) 10 Page - Cypress Semiconductor |
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STK14C88-NF25 Folha de dados(HTML) 10 Page - Cypress Semiconductor |
10 / 20 page STK14C88 Document Number: 001-52038 Rev. *C Page 10 of 20 Software STORE/RECALL Mode Selection E W A13 - A0 (hex) Mode I/O POWER Notes L H 0E38 31C7 03E0 3C1F 303F Read SRAM Read SRAM Read SRAM Read SRAM Read SRAM Output Data Output Data Output Data Output Data Output Data Active 13, 17, 18, 19 0FC0 Nonvolatile STORE Output High Z ICC2 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 Active 13, 17, 18, 19 Software-Controlled STORE/RECALL Cycle NO. Symbols Parameter STK14C88-25 STK14C88-35 STK14C88-45 Unit Notes Standard Alt. Min Max Min Max Min Max 33 tAVAV tRC STORE/RECALL Initiation Cycle Time 35 – 45 – 55 – ns 13 34 tAVEL tAS Address Setup Time 0 – 0 – 0 – ns 20, 21 35 tELEH tCW Clock Pulse Width 25 – 30 – 35 – ns 20, 21 36 tELAX Address Hold Time 20 – 20 – 20 – ns 20, 21 37 tRECALL RECALL Duration – 20 – 20 – 20 s– Figure 10. E Controlled Software STORE/RECALL Cycle [21] Notes 17. The six consecutive addresses must be in the order listed. W must be high during all six consecutive E controlled cycles to enable a nonvolatile cycle. 18. While there are 15 addresses on the STK14C88, only the lower 14 are used to control software modes. 19. I/O state assumes G < VIL. Activation of nonvolatile cycles does not depend on state of G. 20. The software sequence is clocked on the falling edge of E controlled reads without involving G (double clocking aborts the sequence). 21. 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. DATA VALID HIGH IMPEDANCE ADDRESS #6 ADDRESS #1 DATA VALID 33 tAVAV DATA VALID DQ (DATA E ADDRESS 29 37 tSTORE / tRECALL 33 tAVAV 34 tAVEL 35 tELEH 36 tELAX [+] Feedback |
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Descrição semelhante - STK14C88-NF25 |
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