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79RC32H435-400BC Datasheet(PDF) 10 Page - Integrated Device Technology |
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79RC32H435-400BC Datasheet(HTML) 10 Page - Integrated Device Technology |
10 / 53 page 10 of 53 January 19, 2006 IDT 79RC32435 Pin Characteristics Pin Characteristics Pin Characteristics Pin Characteristics Note: Some input pads of the RC32435 do not contain internal pull-ups or pull-downs. Unused inputs should be tied off to appropriate levels. This is especially critical for unused control signal inputs (such as WAITACKN) which, if left floating, could adversely affect the RC32435’s operation. Also, any input pin left floating can cause a slight increase in power consumption. Function Pin Name Type Buffer I/O Type Internal Resistor Notes1 Memory and Peripheral Bus BDIRN O LVTTL High Drive BOEN O LVTTL High Drive WEN O LVTTL High Drive CSN[3:0] O LVTTL High Drive MADDR[21:0] I/O LVTTL High Drive MDATA[7:0] I/O LVTTL High Drive OEN O LVTTL High Drive RWN O LVTTL High Drive WAITACKN I LVTTL STI pull-up DDR Bus DDRADDR[13:0] O SSTL_2 DDRBA[1:0] O SSTL_2 DDRCASN O SSTL_2 DDRCKE O SSTL_2 / LVC- MOS DDRCKN O SSTL_2 DDRCKP O SSTL_2 DDRCSN O SSTL_2 DDRDATA[15:0] I/O SSTL_2 DDRDM[1:0] O SSTL_2 DDRDQS[1:0] I/O SSTL_2 DDRRASN O SSTL_2 DDRVREF I Analog DDRWEN O SSTL_2 PCI Bus Interface PCIAD[31:0] I/O PCI PCICBEN[3:0] I/O PCI PCICLK I PCI PCIDEVSELN I/O PCI pull-up on board PCIFRAMEN I/O PCI pull-up on board PCIGNTN[3:0] I/O PCI pull-up on board PCIIRDYN I/O PCI pull-up on board PCILOCKN I/O PCI PCIPAR I/O PCI PCIPERRN I/O PCI PCIREQN[3:0] I/O PCI pull-up on board PCIRSTN I/O PCI pull-down on board PCISERRN I/O PCI Open Collector pull-up on board PCISTOPN I/O PCI pull-up on board PCITRDYN I/O PCI pull-up on board General Purpose I/O GPIO[8:0] I/O LVTTL High Drive pull-up GPIO[13:9] I/O PCI pull-up on board Table 2 Pin Characteristics (Part 1 of 2) |
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