Datasheet
PowerPC 970FX RISC Microprocessor
3.6 Input ac Specifications
This section provides specifications for pins: INT, MCP, QACK, HRESET, SRESET, TBEN, THERM_INT,
and TRIGGERIN.
Table 3-15, Table 3-16, and Table 3-17 provide the input ac timing specifications as defined in Figure 3-7 on
page 35.
Table 3-15. Input ac Timing Specifications
Value
Callout
Number
Characteristic
Unit
Minimum
Maximum
1
2
3
Rise time
Pulse width
Fall time
—
10
—
< 1
—
ns
ns
ns
< 1
Table 3-16. Input ac Timing Specifications for TBEN
Value
Callout
Characteristic
Number
Unit
Minimum
Maximum
1
2
3
Rise time
Pulse width
Fall time
—
< 1
—
ns
ns
ns
1
8 × T
full
—
< 1
1. T is the clock period of the full frequency processor clock.
full
Table 3-17. Input ac Timing Specifications for HRESET
Value
Callout
Characteristic
Number
Unit
Minimum
Maximum
< 1.5
—
1
2
3
Rise time
Pulse width
Fall time
—
50
—
ns
ns
ns
< 1.5
Note: For bus timing information, see Section 3.5 of the PowerPC 970FX RISC Microprocessor Users Man-
ual.
Electrical and Thermal Characteristics
Page 34 of 78
Version 2.5
March 26, 2007
IBM [ IBM ]
