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ISL3874IK96 Scheda tecnica(PDF) 5 Page - Intersil Corporation |
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ISL3874IK96 Scheda tecnica(HTML) 5 Page - Intersil Corporation |
5 / 33 page 5 TABLE 2. MEMORY INTERFACE PINS PIN NAME PIN NUMBER PIN I/O TYPE DESCRIPTION PL4-MA19 A4 CMOS BiDir, 2mA MBUS Address Bit 19, needed to address between 512KB and 1MB of data store MA18 A3 CMOS BiDir, 2mA MBUS Address Bit 18 MA17 B4 CMOS BiDir, 2mA MBUS Address Bit 17 MA16 C3 CMOS TS Output, 2mA MBUS Address Bit 16 MA15 B3 CMOS TS Output, 2mA MBUS Address Bit 15 MA14 A1 CMOS TS Output, 2mA MBUS Address Bit 14 MA13 C2 CMOS TS Output, 2mA MBUS Address Bit 13 MA12 E3 CMOS TS Output, 2mA MBUS Address Bit 12 MA11 B1 CMOS TS Output, 2mA MBUS Address Bit 11 MA10 D2 CMOS TS Output, 2mA MBUS Address Bit 10 MA9 D3 CMOS TS Output, 2mA MBUS Address Bit 9 MA8 C1 CMOS TS Output, 2mA MBUS Address Bit 8 MA7 F4 CMOS TS Output, 2mA MBUS Address Bit 7 MA6 E2 CMOS TS Output, 2mA MBUS Address Bit 6 MA5 D1 CMOS TS Output, 2mA MBUS Address Bit 5 MA4 F2 CMOS TS Output, 2mA MBUS Address Bit 4 MA3 E1 CMOS TS Output, 2mA MBUS Address Bit 3 MA2 F3 CMOS TS Output, 2mA MBUS Address Bit 2 MA1 F1 CMOS TS Output, 2mA MBUS Address Bit 1 MA0 / MWEH- G2 CMOS TS Output, 2mA, 50K Pull Up MBUS Write Enable, high byte. Asserted on writes to the high-order byte of x16 memory devices that use the JEDEC 4-wire control interface. Also asserted (as MA[0]) when accessing the odd (high- order) byte of a word stored in a x8 memory device. During word accesses of x8 memory, the odd byte is accessed first. MD15 H4 CMOS, BiDir, 2mA, 50K Pull Up MBUS Data Bit 15 MD14 G1 CMOS, BiDir, 2mA, 50K Pull Up MBUS Data Bit 14 MD13 H3 CMOS, BiDir, 2mA, 50K Pull Down MBUS Data Bit 13 MD12 H2 CMOS, BiDir, 2mA, 50K Pull Down MBUS Data Bit 12 MD11 H1 CMOS, BiDir, 2mA, 50K Pull Up MBUS Data Bit 11 MD10 J3 CMOS, BiDir, 2mA, 50K Pull Up MBUS Data Bit 10 MD9 M1 CMOS, BiDir, 2mA, 50K Pull Up MBUS Data Bit 9 MD8 M3 CMOS, BiDir, 2mA, 50K Pull Down MBUS Data Bit 8 MD7 M2 CMOS, BiDir, 2mA 50K Pull Down MBUS Data Bit 7 MD6 N1 CMOS, BiDir, 2mA, 50K Pull Down MBUS Data Bit 6 MD5 N3 CMOS, BiDir, 2mA, 50K Pull Down MBUS Data Bit 5 MD4 P1 CMOS, BiDir, 2mA, 50K Pull Down MBUS Data Bit 4 MD3 N2 CMOS, BiDir, 2mA, 50K Pull Down MBUS Data Bit 3 MD2 P3 CMOS, BiDir, 2mA, 50K Pull Down MBUS Data Bit 2 MD1 R1 CMOS, BiDir, 2mA, 50K Pull Down MBUS Data Bit 1 MD0 P2 CMOS, BiDir, 2mA, 50K Pull Down MBUS Data Bit 0 ISL3874 |
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