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CAT28F020NI-90T Fiches technique(PDF) 7 Page - Catalyst Semiconductor |
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CAT28F020NI-90T Fiches technique(HTML) 7 Page - Catalyst Semiconductor |
7 / 14 page CAT28F020 7 Doc. No. 25037-00 2/98 F-1 FUNCTION TABLE(1) Pins Mode CE OE WE VPP I/O Notes Read VIL VIL VIH VPPL DOUT Output Disable VIL VIH VIH X High-Z Standby VIH XX VPPL High-Z Signature (MFG) VIL VIL VIH X 31H A0 = VIL, A9 = 12V Signature (Device) VIL VIL VIH X BDH A0 = VIH, A9 = 12V Program/Erase VIL VIH VIL VPPH DIN See Command Table Write Cycle VIL VIH VIL VPPH DIN During Write Cycle Read Cycle VIL VIL VIH VPPH DOUT During Write Cycle WRITE COMMAND TABLE Commands are written into the command register in one or two write cycles. The command register can be altered only when VPP is high and the instruction byte is latched on the rising edge of WE. Write cycles also internally latch addresses and data required for programming and erase operations. Pins First Bus Cycle Second Bus Cycle Mode Operation Address DIN Operation Address DIN DOUT Set Read Write X 00H Read AIN DOUT Read Sig. (MFG) Write X 90H Read 00 31H Read Sig. (Device) Write X 90H Read 01 BDH Erase Write X 20H Write X 20H Erase Verify Write AIN A0H Read X DOUT Program Write X 40H Write AIN DIN Program Verify Write X C0H Read X DOUT Reset Write X FFH Write X FFH Note: (1) Logic Levels: X = Logic ‘Do not care’ (VIH, VIL, VPPL, VPPH) |
Numéro de pièce similaire - CAT28F020NI-90T |
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Description similaire - CAT28F020NI-90T |
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