FreeWave Technologies Inc. AMM0300AT Benutzerhandbuch
Chapter 3: Integration
LIM0001AA Rev B (DRAFT)
TTL Signals and Timing
Timing
Measurement
Notes
Output Low Level Voltage (V
OL
)
0.0 to 0.35 VDC
The positive voltage from an output which the
device considers will be accepted as a logic low.
device considers will be accepted as a logic low.
Input Low Level Voltage (V
IL
)
0.0 to 0.8 VDC
The positive voltage applied to the input which will
be accepted by the device as a logic low.
be accepted by the device as a logic low.
Input High Level Voltage (V
IH
)
2.0 to 5.0 VDC
The positive voltage applied to the input which will
be accepted by the device as a logic high.
be accepted by the device as a logic high.
Output High Level Voltage (V
OH
)
2.0 to 3.3 VDC
The positive voltage from an output which the
device considers will be accepted as a logic high.
device considers will be accepted as a logic high.
Data Format
Mark = 3.3 V
Space = 0 V
RS232 formatted data, inverted.
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Draft