BUFFER TYPE DESCRIPTIONS
SYMBOL
TABLE 1 - BUFFER TYPES
DESCRIPTION
I
IS
Input, TTL compatible.
Input with Schmitt trigger.
ICLK
OCLK
IO4
RTC 32.768 kHz crystal input.
RTC 32.768 kHz crystal output.
Input/Output, 4mA sink, 2mA source.
Output, 4mA sink, 2mA source.
O4
O8
Output, 8mA sink, 4mA source.
IO12
O12
Input/Output, 12mA sink, 6mA source.
Output, 12mA sink, 6mA source.
OD12
IOP14
OD14
OP14
IOD16
O24
Output, Open Drain, 12 mA sink.
Input/Output, 14mA sink, 14mA source. Backdrive Protected.
Output, Open Drain, 14mA sink.
Output, 14mA sink, 14mA source. Backdrive Protected.
Input/Output, Open Drain, 16mA sink
Output, 24mA sink, 12mA source.
Output, Open Drain, 24mA sink.
OD24
IO24
Input/Output, 24mA sink, 12mA source.
11
SMSC [ SMSC CORPORATION ]
