Details

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BUY GAL20V8A-10LP https://www.utsource.net/itm/p/12611614.html

Parameter	Description	Value
Device Type	Programmable Logic Device (PLD)	-
Family	GAL (Generic Array Logic)	-
Model	GAL20V8A-10LP	-
Package	PLCC-20	-
Operating Voltage (Vcc)	Supply Voltage Range	4.5V to 5.5V
I/O Pins	Number of Input/Output Pins	16
Macrocells	Number of Macrocells	8
Programming Method	Programming Technology	UV Erasable EEPROM
Programming Voltage (Vpp)	Voltage for Programming	12.5V to 13.5V
Erasure Time	Time Required for UV Erasure	15 minutes typical
Operating Temperature Range	Temperature Range for Operation	-40掳C to +85掳C
Storage Temperature Range	Temperature Range for Storage	-65掳C to +150掳C
Propagation Delay (tpd)	Typical Propagation Delay	10 ns max at Vcc = 5V
Power Consumption	Maximum Power Consumption	100 mW at Vcc = 5V
Fanout	Maximum Fanout per Output Pin	10 TTL Loads
Input Capacitance (Cin)	Capacitance of Input Pins	10 pF max
Output Capacitance (Cout)	Capacitance of Output Pins	15 pF max
Input Low Voltage (VIH)	Input Voltage for Low State	0.8V max
Input High Voltage (VIL)	Input Voltage for High State	2.0V min
Output Low Voltage (VOH)	Output Voltage for Low State	0.4V max
Output High Voltage (VOL)	Output Voltage for High State	2.4V min

Instructions for Use

1. Power Supply:

   • Ensure the supply voltage (Vcc) is within the range of 4.5V to 5.5V.
   • Connect the programming voltage (Vpp) to the appropriate pin when programming.

2. Programming:

   • Use a compatible programmer to program the GAL20V8A-10LP.
   • Set the programming voltage (Vpp) to between 12.5V and 13.5V.
   • Follow the specific programming algorithm provided by the manufacturer or programming software.

3. Erasure:

   • To erase the device, expose it to UV light for approximately 15 minutes.
   • Ensure the device is properly shielded from UV light during storage and handling to prevent accidental erasure.

4. Temperature Considerations:

   • Operate the device within the temperature range of -40掳C to +85掳C.
   • Store the device within the temperature range of -65掳C to +150掳C.

5. Signal Levels:

   • Ensure input signals meet the specified low (VIH) and high (VIL) voltage levels.
   • Ensure output signals meet the specified low (VOH) and high (VOL) voltage levels.

6. Capacitance:

   • Account for the input and output capacitance values when designing the circuit to avoid signal integrity issues.

7. Power Consumption:

   • Monitor power consumption to ensure it does not exceed 100 mW at Vcc = 5V to avoid overheating.

8. Fanout:

   • Each output pin can drive up to 10 TTL loads. Ensure the fanout requirements are met in the design.

9. Handling:

   • Handle the device with care to avoid damage to the pins and internal components.
   • Follow ESD (Electrostatic Discharge) precautions to prevent damage from static electricity.

(For reference only)