STEP/DIRECTION TIMING
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| TDH |
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Direction |
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Step |
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| TSH |
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QUADRATURE TIMING
Direction Change | TCHL |
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Channel A |
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Channel B |
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UP/DOWN (CW/CCW) TIMING
Step Up |
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Step Down | TSH | TSL | TDC |
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| TSH | TSL |
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| Figure 2.1.3: Clock Input Timing Characteristics |
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| Clock Input Timing |
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Symbol |
| Parameter |
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| Type and Value |
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| Step/Direction |
| Step Up/Down | Quadrature | Units | ||||
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TDSU | T Direction Set Up | 0 |
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| — | — | nS min | ||
TDH | T Direction Hold | 50 |
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| — | — | nS min | ||
TSH |
| T Step High | 250 |
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| 250 | — | nS min | |
TSL |
| T Step Low | 250 |
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| 250 | — | nS min | |
TDL | T Direction Change | — |
| 250 | 250 | nS min | |||
TCHL | T Channel High/Low | — |
| — | 400 | nS min | |||
FSMAX | F Step Maximum | 5 |
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| 2 | — | MHz Max | ||
FCHMAX | F Channel Maximum | — |
| — | 1.25 | MHz Max | |||
FER | F Edge Rate | — |
| — | 5 | MHz Max | |||
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| Parameter | Turn On |
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| Turn Off | µS | ||
— | Enable On/Off | 25 |
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| 20 | µS | ||
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Table 2.1.1: Input Clocks Timing Table
Part 2: Interfacing and Configuring |