| 1 | MA66TCD | 14 pin DIP, 5.0 Volt, ACMOS/TTL, Clock Oscillator | 195K |   |   | 
	
	 
		| 2 | MA66TCD | 14 pin DIP, 5.0 Volt, ACMOS/TTL, Clock Oscillator | 264K |   |   | 
	
	 
		| 3 | MA66TCD-R | 14 pin DIP, 5.0 Volt, ACMOS/TTL, Clock Oscillator | 195K |   |   | 
	
	 
		| 4 | MA66TCD-R | 14 pin DIP, 5.0 Volt, ACMOS/TTL, Clock Oscillator | 264K |   |   |