Table of Contents
MOTOROLA
M68060 USER’S MANUAL
xvii
11.1.4
11.2
11.2.1
11.2.1.1
11.2.1.1.1
11.2.1.1.2
11.2.1.2
11.2.2
11.2.3
11.2.4
11.2.5
11.2.6
11.2.7
11.2.8
11.3
11.4
11.5
Other Considerations................................................................................11-6
Using an MC68060 in an Existing MC68040 System.................................11-6
Power Considerations...............................................................................11-6
DC to DC Voltage Conversion................................................................11-6
Linear Voltage Regulator Solution........................................................11-7
Switching Regulator Solution................................................................11-7
Input Signals During Power-Up Requirement.......................................11-11
Output Hold Time Differences ................................................................11-11
Bus Arbitration ........................................................................................11-13
Snooping.................................................................................................11-13
Special Modes ........................................................................................11-13
Clocking..................................................................................................11-14
PSTx Encoding.......................................................................................11-14
Miscellaneous Pullup Resistors..............................................................11-15
Example DRAM Access............................................................................11-15
Thermal Management..............................................................................11-17
Support Devices.......................................................................................11-20
Section 12
Electrical and Thermal Characteristics
Maximum Ratings .......................................................................................12-1
Thermal Characteristics..............................................................................12-1
Power Dissipation .......................................................................................12-1
DC Electrical Specifications (Vcc = 3.3 Vdc
Clock Input Specifications (Vcc = 3.3 Vdc
Output AC Timing Specifications (Vcc = 3.3 Vdc
Input AC Timing Specifications (Vcc = 3.3 Vdc
12.1
12.2
12.3
12.4
12.5
12.6
12.7
±
5%)........................................12-3
±
5%).............................12-4
±
5%)................................12-6
5%).....................................12-2
±
Section 13
Ordering Information and Mechanical Data
Ordering Information...................................................................................13-1
Pin Assignments.........................................................................................13-1
MC68060, MC68LC060, and MC68EC060 Pin Grid Array (RC Suffix) ....13-2
MC68060, MC68LC060, and MC68EC060 Quad Flat Pack (FE Suffix)...13-3
Mechanical Data.........................................................................................13-4
13.1
13.2
13.2.1
13.2.2
13.3
Appendix A
MC68LC060
Appendix B
MC68EC060
B.1
B.2
Address Translation Differences...................................................................B-1
Instruction Differences ..................................................................................B-1