Details

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BUY SIS85C497 https://www.utsource.net/itm/p/12618445.html

Parameter	Description	Min	Typ	Max	Unit
VDD	Supply Voltage	2.7	3.3	3.6	V
IDD	Supply Current (Typical)	-	10	-	mA
VIL	Input Low Voltage	0.0	-	0.8	V
VIH	Input High Voltage	2.0	-	3.6	V
IOL	Output Low Current	-4	-	-	mA
IOH	Output High Current	-	-	4	mA
tPD	Propagation Delay Time	2.5	3.5	5.0	ns
tPLH	Propagation Delay Time (Low to High)	2.0	3.0	4.5	ns
tPHL	Propagation Delay Time (High to Low)	2.0	3.0	4.5	ns
tSU	Input Signal Setup Time	1.0	-	-	ns
tH	Input Signal Hold Time	0.5	-	-	ns
tCO	Clock to Output Delay Time	2.0	3.0	4.5	ns
tOE	Output Enable Time	2.0	3.0	4.5	ns
tDQSQ	Data Output Access Time from DQS Rising Edge	0.3	0.5	0.8	ns
tDQSH	Data Output Access Time from DQS Falling Edge	0.3	0.5	0.8	ns

Instructions for Using SIS85C497:

1. Power Supply:

   • Ensure that the supply voltage (VDD) is within the specified range of 2.7V to 3.6V.
   • The typical supply current (IDD) is 10mA.

2. Input Signals:

   • Input low voltage (VIL) should be between 0.0V and 0.8V.
   • Input high voltage (VIH) should be between 2.0V and 3.6V.
   • Ensure input signals meet the setup time (tSU) and hold time (tH) requirements to avoid timing issues.

3. Output Signals:

   • Output low current (IOL) can sink up to 4mA.
   • Output high current (IOH) can source up to 4mA.
   • Check the propagation delay times (tPD, tPLH, tPHL) to ensure proper timing in your design.

4. Timing Parameters:

   • Clock to output delay time (tCO) should be considered when designing the clocking circuit.
   • Output enable time (tOE) is important for managing the enable/disable timing of the outputs.
   • Data output access times (tDQSQ and tDQSH) from the DQS edges are critical for synchronous data operations.

5. General Considerations:

   • Use appropriate decoupling capacitors near the power pins to minimize noise and ensure stable operation.
   • Follow the recommended PCB layout guidelines to optimize signal integrity and reduce electromagnetic interference (EMI).

For detailed application notes and further information, refer to the datasheet provided by the manufacturer.

(For reference only)