Data Sheet
PowerPC 970FX
Preliminary
3.6 Input AC Specifications
This section provides specifications for pins: INT, MCP, QACK, HRESET, SRESET, TBEN, THERM_INT, and
TRIGGERIN.
Table 3-16, Table 3-17, and Table 3-18 provide the input AC timing specifications as defined in Figure 3-7.
Table 3-16. Input AC Timing Specifications
Value
Call Out
Number
Characteristic
Unit
Minimum
Maximum
1
2
3
Rise time
Pulse width
Fall time
—
10
—
<1
—
<1
ns
ns
ns
Table 3-17. Input AC Timing Specifications for TBEN
Value
Call Out
Characteristic
Number
Unit
Minimum
Maximum
1
2
3
Rise time
Pulse width
Fall time
—
<1
—
<1
ns
ns
ns
1
8*T
full
—
1. T is the clock period of the full frequency processor clock.
full
Table 3-18. Input AC Timing Specifications for HRESET
Value
Call Out
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, refer to Section 3.5 of the PowerPC 970FX Users Manual.
Electrical and Thermal Characteristics
Page 30 of 74
October 14, 2005
IBM [ IBM ]
