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- module latch
- title 'transparent latch
- Michael Holley Data I/O 30 Sept 1984'
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- ti3 device 'P19L8L';
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- D7,D6,D5,D4,D3,D2,D1,D0 pin 2, 3, 4, 5, 6, 7, 8, 9;
- F7,F6,F5,F4,F3,F2,F1,F0 pin 22,21,20,19,18,17,16,15;
- INLE,OE pin 14,13;
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- D7,D6,D5,D4,D3,D2,D1,D0 IsType 'latch';
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- Input = [D7,D6,D5,D4,D3,D2,D1,D0];
- Output = [F7,F6,F5,F4,F3,F2,F1,F0];
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- equations
- enable Output = !OE;
-
- Output = Input;
-
- test_vectors ' Transparent Latch'
- ([INLE,OE,Input] -> Output)
- [ 0 , 0, ^hFF] -> ^hFF;
- [ 0 , 0, ^h55] -> ^h55;
- [ 0 , 0, ^hAA] -> ^hAA;
- [ 1 , 0, ^hFF] -> ^hAA;
- [ 0 , 0, ^h00] -> ^h00;
- [ 0 , 1, ^h00] -> .Z.;
- end
-