Rainbow-electronics DS3690 Uživatelský manuál stáhnout pdf (Strana 3)

DS3690

3.3V 26-Channel, Three-Stateable

Transmission Gate

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Note 1: All voltages referenced to ground.

Note 2: Typical waveform shown is labeled CHxxA (input) to CHxxB (output), and is identical in function when selecting pin CHxxB

(as the input) to pin CHxxA (as the output).

Note 3: Output reference level is V

/2.

Note 4: Input transitions prior to the CE falling edge are ignored (don’t care).

Note 5: Propagation delay differential between any two channels when using a common input signal source.

Note 6: Guaranteed by design and not 100% tested.

CAPACITANCE

= +25°C)

PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS

Input Capacitance (CE) C

Not production tested 5 pF

I/O Capacitance C

Not production tested 8 pF

Timing Diagrams

CHxxA

CHxxB

Figure 1. Digital Channel Propagation Delay

CEV

HIGH IMPEDANCE

CHxxA

CHxxB

DON'T

CARE

Figure 2. Digital Channels Enabled by CE

DON'T CARE

HIGH IMPEDANCE

CHxxA

CHxxB

CEZ

Figure 3. Digital Channels Disabled by CE

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Rainbow-electronics DS3690 Uživatelský manuál Strana 3