
ii
PC7457/47 [Preliminary]
5345B–HIREL–02/04
Package Parameters for the PC7457, 483 CBGA ............................44
Mechanical Dimensions for the PC7457, 483 CBGA .......................49
Substrate Capacitors for the PC7457, 483 CBGA........................... 50
System Design Information .............................................................. 51
PLL Configuration .............................................................................51
PLL Power Supply Filtering ................................................................................54
Decoupling Recommendations ...........................................................................54
Connection Recommendations........................................................................... 55
Output Buffer DC Impedance .............................................................................55
Pull-up/Pull-down Resistor Requirements.......................................................... 56
JTAG Configuration Signals ...............................................................................57
Definitions.......................................................................................... 59
Datasheet Status Description ...........................................................59
Life Support Applications................................................................. 59
Ordering Information......................................................................... 60
Document Revision History ..............................................................61