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LS7030 Datasheet(PDF) 4 Page - LSI Computer Systems |
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LS7030 Datasheet(HTML) 4 Page - LSI Computer Systems |
4 / 4 page 1 2 4 8 BCD COUNTER R C 1 2 4 8 BCD COUNTER R C 1 2 4 8 BCD COUNTER R C 1 2 4 8 BCD COUNTER R C 1 2 4 8 BCD COUNTER R C 1 2 4 8 BCD COUNTER R C 1 2 4 8 BCD COUNTER R C 1 2 4 8 BCD COUNTER R C 4 BIT LATCH ST 4 BIT LATCH ST 4 BIT LATCH ST 4 BIT LATCH ST 4 BIT LATCH ST 4 BIT LATCH ST 4 BIT LATCH ST 4 BIT LATCH ST 1 2 4 8 B1 B2 B4 B8 B1 B2 B4 B8 B1 B2 B4 B8 B1 B2 B4 B8 B1 B2 B4 MUX GATE G B8 SEGMENT DECODER DATA OUTPUT BUFFER SEVEN D6 OUTPUT D7 OUTPUT D8 OUTPUT OVFLW F/F OVERFLOW INPUT 1 BIT LATCH BCD DATA OUTPUT BLANK OUT LAMP TEST INPUT Vss VGG VDD OVERFLOW OUTPUT ST BLANKING F/F S R Q C R NZ 8 DIGIT STROBE OUTPUTS OUTPUT BUFFERS 8 STATE STATIC SCAN COUNTER & DECODED LSD MSD R C OSCILLATOR OR BUFFER SCAN RESET INPUT (RESET TO MSD) FIGURE 4. LS7030 BLOCK DIAGRAM OSC. INPUT SCAN INPUT 2 1 3 4 5 6 7 8 TEST COUNT INPUT RESET INPUT LOAD LATCH INPUT 1 2 4 8 MUX GATE G 1 2 4 8 MUX GATE G 1 2 4 8 MUX GATE G 1 2 4 8 MUX GATE G 1 2 4 8 MUX GATE G 1 2 4 8 MUX GATE G 1 2 4 8 MUX GATE G COUNT INPUT SEVEN SEGMENT DATA OUT 22 40 39 LSD MSD DECIMAL POINT INPUT 10 27 26 23 11 17 18 19 20 37 36 34 33 31 30 29 38 12 13 14 15 16 28 32 21 9 8 7 6 5 4 3 2 1 B1 B2 B4 B8 a b c d e f g |
Similar Part No. - LS7030 |
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Similar Description - LS7030 |
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