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MIL-M-38510-502 Microcircuits, Digital, Bipolar Field Programmable Logic Array Fpla 16 X 48 X 8, Monolithic SiliconThis specification covers the detail requirements for monolithic silicon, bipolar, field programmable logic array FPLA microcircuits which employ thin film nichrome resistors WICr as the fusible link or programming element. Three product assurance classes and a choice of case outline/lead material and finish are provided for each type and are reflected in the complete part number.

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MIL-M-38510/502A

TABLE VI. Summary of pin voltages - Circuit B.

	Read	Program product "AND" matrix	Verify product "AND" matrix	Program summing matrix	Verify summing matrix	Program output polarity	Verify output polarity
Pin 1 (FE)	***	18	***	***	***	***	***
Pin 2 (I7)	TTL	12.0*	12.0*	12.0	12.0	12.0	12.0
Pin 3 (I6)	TTL	12.0*	12.0*	12.0	12.0	12.0	12.0
Pin 4 (I5)	TTL	12.0*	12.0*	TTL	TTL	TTL HIGH	TTL HIGH
Pin 5 (I4)	TTL	12.0*	12.0*	TTL	TTL	TTL HIGH	TTL HIGH
Pin 6 (I3)	TTL	12.0*	12.0*	TTL	TTL	TTL HIGH	TTL HIGH
Pin 7 (I2)	TTL	12.0*	12.0*	TTL	TTL	TTL HIGH	TTL HIGH
Pin 8 (I1)	TTL	12.0*	12.0*	TTL	TTL	TTL HIGH	TTL HIGH
Pin 9 (I0)	TTL	12.0*	12.0*	TTL	TTL	TTL HIGH	TTL HIGH
Pin 10 (F7)	Read	TTL	TTL	****	Read	****	Read
Pin 11 (F6)	Read	TTL	TTL	****	Read	****	Read
Pin 12 (F5)	Read	TTL	TTL	****	Read	****	Read
Pin 13 (F4)	Read	TTL	TTL	****	Read	****	Read
Pin 14 (GND)	GND	GND	GND	GND	GND	GND	GND
Pin 15 (F3)	Read	TTL	TTL	****	Read	****	Read
Pin 16 (F2)	Read	TTL	TTL	****	Read	****	Read
Pin 17 (F1)	Read	**	**	****	Read	****	Read
Pin 18 (F0)	Read	Read	Read	****	Read	****	Read
Pin 19 ( CE )	TTL LOW	TTL HIGH	TTL HIGH	TTL HIGH	TTL LOW	TTL HIGH	TTL LOW
Pin 20 (I15)	TTL	12.0*	12.0*	TTL HIGH	TTL HIGH	TTL HIGH	12.0
Pin 21 (I14)	TTL	12.0*	12.0*	TTL HIGH	12.0	12.0	TTL HIGH
Pin 22 (I13)	TTL	12.0*	12.0*	12.0	TTL HIGH	12.0	TTL HIGH
Pin 23 (I12)	TTL	12.0*	12.0*	12.0	12.0	12.0	12.0
Pin 24 (I11)	TTL	12.0*	12.0*	12.0	12.0	12.0	12.0
Pin 25 (I10)	TTL	12.0*	12.0*	12.0	12.0	12.0	12.0
Pin 26 (I9)	TTL	12.0*	12.0*	12.0	12.0	12.0	12.0
Pin 27 (I8)	TTL	12.0*	12.0*	12.0	12.0	12.0	12.0
Pin 28 (VCC)	5.0	5.0	5.0	5.0	12.0	5.0	5.0

* For selection of input apply TTL HIGH or TTL LOW

** Left open or TTL HIGH.

*** Left open or grounded.

**** Left open, TTL HIGH, or programming pulse.

The program table is used for coding FPLAs.

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