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CAT28F002NA-90BT Datasheet(PDF) 7 Page - Catalyst Semiconductor |
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CAT28F002NA-90BT Datasheet(HTML) 7 Page - Catalyst Semiconductor |
7 / 16 page CAT28F002 7 Doc. No. 25072-00 2/98 F-1 ERASE AND PROGRAMMING PERFORMANCE 28F002-90 28F002-12 28F002-15 Parameter Min. Typ. Max. Min. Typ. Max. Min. Typ. Max. Unit Boot Block Erase Time 1.0 7 1.0 7 1.0 7 Sec Parameter Block Erase Time 1.0 7 1.0 7 1.0 7 Sec Main Block Erase Time 2.4 14 2.4 14 2.4 14 Sec Main Block Program Time 1.2 4.2 1.2 4.2 1.2 4.2 Sec FUNCTION TABLE(1) Pins Mode RP CE OE WE VPP I/O Notes Read VIH VIL VIL VIH XDOUT Output Disable VIH VIL VIH VIH X High-Z Standby VIH VIH X X X High-Z Signature (MFG) VIH VIL VIL VIH X 31H A0 = VIL, A9 = 12V Signature (Device) VIH VIL VIL VIH X 7CH-28F002T A0 = VIH, A9 = 12V 7DH-28F002B Write Cycle VIH VIL VIH VIL XDIN During Write Cycle Deep Power Down VIL XXXX HIGH-Z 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. First Bus Cycle Second Bus Cycle Mode Operation Address DIN Operation Address DIN DOUT Read Array/Reset Write X FFH Program Setup/ Write AIN 40H Write AIN DIN Program 10H Read Status Reg. Write X 70H Read X St. Reg. Data Clear Status Reg. Write X 50H Erase Setup/Erase Write Block ad 20H Write Block ad D0H Confirm Erase Suspend/ Write X B0H Write X D0H Erase Resume Read Sig (Mfg) Write X 90H Read 0000H 31H Read Sig (Dev) Write X 90H Read 0001H 7CH-28F002T 7DH-28F002B Note: (1) Logic Levels: X = Logic ‘Do not care’ (VIH, VIL, VPPL, VPPH) |
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