LPC47N267(2000) Ver la hoja de datos (PDF) - SMSC -> Microchip
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LPC47N267 Datasheet PDF : 180 Pages
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3.1 Buffer Type Description
I
IS
O6
O8
OD8
IO8
O12
OD12
IO12
OD14
OP14
IOP14
PCI_I
PCI_O
PCI_OD
PCI_IO
PCI_ICLK
Input TTL Compatible.
Input with Schmitt Trigger.
Output, 6mA sink, 3mA source.
Output, 8mA sink, 4mA source.
Open Drain Output, 8mA sink.
Input/Output, 8mA sink, 4mA source.
Output, 12mA sink, 6mA source.
Open Drain Output, 12mA sink.
Input/Output, 12mA sink, 6mA source.
Open Drain Output, 14mA sink.
Output, 14mA sink, 14mA source.
Input/Output, 14mA sink, 14mA source. Backdrive protected.
Input. These pins meet the PCI 3.3V AC and DC Characteristics. (Note 1)
Output. These pins meet the PCI 3.3V AC and DC Characteristics. (Note 1)
Open Drain Output. These pins meet the PCI 3.3V AC and DC Characteristics. (Note 1)
Input/Output. These pins meet the PCI 3.3V AC and DC Characteristics. (Note 1)
Clock Input. These pins meet the PCI 3.3V AC and DC Characteristics and timing. (Note 2)
Note 1: See the PCI Local Bus Specification, Revision 2.1, Section 4.2.2.
Note 2: See the PCI Local Bus Specification, Revision 2.1, Section 4.2.2. and 4.2.3.
3.2 Pins That Require External Pullup Resistors
The following pins require external pullup resistors:
GP12/IO_SMI# if IO_SMI# function is used as Open Collector Output
IO_PME# if IO_PME# function is used as Open Collector Output
SER_IRQ
DRVDEN0 if DRVDEN0 function is used as Open Collector Output
DRVDEN1 if DRVDEN1 function is used as Open Collector Output
GP13, GP 14, GP15 and GP16 if IRQINx function is used
MTR0# if used as Open Collector Output
DS0# if used as Open Collector Output
DIR# if used as Open Collector Output
STEP# if used as Open Collector Output
WDATA# if used as Open Collector Output
WGATE# if used as Open Collector Output
HDSEL# if used as Open Collector Output
INDEX#
TRK0#
WRTPRT#
RDATA#
DSKCHG#
XRD#
XWR#
SMSC DS – LPC47N267
Page 15
Rev. 10/23/2000
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