5.1 Buffer Type Descriptions
Table 1 - USB97CFDC2-01 Buffer Type Descriptions
BUFFER
DESCRIPTION
I
IP
Input
Input with 30uA pull-up
Input with Schmitt trigger
Output with 8mA drive
Input/output with 8mA drive
IS
O8
IO8
IO8P
Input/output with 8mA drive and 30uA
pull-up
OD12
O24
Open drain….12mA sink
Output with 24mA drive
Open drain….24mA sink
XTAL clock input
OD24
ICLKx
OCLKx
I/O-U
XTAL clock output
See Table 6.
SMSC DS – USB97CFDC2-01
Page 11
Rev. 02-27-07
DATASHEET