AMD-K6-2ESLASH400AMZ datasheet(298/332 Pages) AMD

298 / 332 page

280

Signal Switching Characteristics

Chapter 15

AMD-K6™-2E Processor Data Sheet

22529B/0—January 2000

Preliminary Information

Table 64. TCK Waveform and TRST# Timing at 25 MHz

Symbol

Parameter Description

Preliminary Data

Figure

Min

Max

TCK Frequency

25 MHz

t103

TCK Period

40.0 ns

t104

TCK High Time

14.0 ns

t105

TCK Low Time

14.0 ns

t106

1,2

Notes:

1. Rise/Fall times can be increased by 1.0 ns for each 10 MHz that TCK is run below its maximum frequency of 25 MHz.

2. Rise/Fall times are measured between 0.8 V and 2.0 V.

TCK Fall Time

5.0 ns

t107

1,2

TCK Rise Time

5.0 ns

t108

3. Asynchronous.

TRST# Pulse Width

30.0 ns

Table 65. Test Signal Timing at 25 MHz

Symbol

Parameter Description

Preliminary Data

Figure

Min

Max

t109

Notes:

1. Parameter is measured from the TCK rising edge.

TDI Setup Time

5.0 ns

t110

TDI Hold Time

9.0 ns

t111

TMS Setup Time

5.0 ns

t112

TMS Hold Time

9.0 ns

t113

2. Parameter is measured from the TCK falling edge.

TDO Valid Delay

3.0 ns

13.0 ns

t114

TDO Float Delay

16.0 ns

t115

All Outputs (Non-Test) Valid Delay

3.0 ns

13.0 ns

t116

All Outputs (Non-Test) Float Delay

16.0 ns

t117

All Inputs (Non-Test) Setup Time

5.0 ns

t118

All Inputs (Non-Test) Hold Time

9.0 ns

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