Details

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BUY MC68B09P https://www.utsource.net/itm/p/12608972.html

Parameter	Symbol	Min	Typical	Max	Unit	Conditions/Notes
Supply Voltage	Vcc	4.75	5.0	5.25	V
Operating Temperature	Toper	-40		85	掳C
Storage Temperature	Tstg	-65		150	掳C
Clock Frequency	fosc	1		10	MHz	External crystal or ceramic resonator
Current Consumption	ICC		200	300	mA	Active mode, fosc = 10 MHz
Current Consumption	ICC		5	10	渭A	Idle mode
Reset Input High Level	Vrh	3.5		5.25	V
Reset Input Low Level	Vrl	0		1.5	V
Output High Level	VoH	2.4		Vcc-0.5	V	IOL = 0.4 mA
Output Low Level	VoL	0		0.5	V	IOH = -0.4 mA
Input High Level	VIH	2.0		Vcc-0.5	V
Input Low Level	VIL	0		0.8	V
Address Bus Output Drive	IOL	-4		-8	mA	VoL = 0.5 V
Data Bus Output Drive	IOH	4		8	mA	VoH = Vcc - 0.5 V

Instructions for Use:

1. Power Supply:

   • Ensure the supply voltage (Vcc) is within the specified range of 4.75V to 5.25V.
   • Use appropriate decoupling capacitors (e.g., 0.1渭F and 10渭F) close to the Vcc and GND pins to minimize noise.

2. Clock Source:

   • Connect an external crystal or ceramic resonator to the XTAL1 and XTAL2 pins for clock generation.
   • The clock frequency should be between 1 MHz and 10 MHz.

3. Reset Circuit:

   • The reset input (RESET) must be held high (Vrh) during power-up and low (Vrl) to initiate a reset.
   • Use a pull-up resistor to Vcc and a capacitor to ground to create a simple reset circuit.

4. Address and Data Buses:

   • Connect the address bus (A0-A15) and data bus (D0-D7) to the appropriate memory or peripheral devices.
   • Ensure proper termination and signal integrity for reliable operation.

5. Power Management:

   • To enter idle mode, set the STOP bit in the processor status register (PSR).
   • In idle mode, the current consumption is significantly reduced.

6. Operating Temperature:

   • Ensure the operating temperature (Toper) remains within the -40掳C to 85掳C range.
   • For extended storage, keep the device within the -65掳C to 150掳C range.

7. Handling Precautions:

   • Handle the device with care to avoid static damage.
   • Follow ESD (Electrostatic Discharge) precautions when handling the device.

8. Testing and Debugging:

   • Use a logic analyzer or oscilloscope to verify correct operation of the address and data buses.
   • Ensure all connections are secure and free from shorts or open circuits.

By following these guidelines, you can ensure optimal performance and reliability of the MC68B09P microprocessor.

(For reference only)