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74HC193D Scheda tecnica(PDF) 5 Page - NXP Semiconductors |
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74HC193D Scheda tecnica(HTML) 5 Page - NXP Semiconductors |
5 / 29 page 74HC_HCT193_3 © NXP B.V. 2007. All rights reserved. Product data sheet Rev. 03 — 23 May 2007 5 of 29 NXP Semiconductors 74HC193; 74HCT193 Presettable synchronous 4-bit binary up/down counter 5. Pinning information 5.1 Pinning 5.2 Pin description [1] LOW-to-HIGH, edge triggered. Fig 5. Pin configuration SO16 Fig 6. Pin configuration TSSOP16 and SSOP16 Fig 7. Pin configuration DIP16 D1 VCC Q1 D0 Q0 MR CPD TCD CPU TCU Q2 PL Q3 D2 GND D3 001aag406 1 2 3 4 5 6 7 8 10 9 12 11 14 13 16 15 74HC193 74HCT193 74HC193 74HCT193 D1 VCC Q1 D0 Q0 MR CPD TCD CPU TCU Q2 PL Q3 D2 GND D3 001aag407 1 2 3 4 5 6 7 8 10 9 12 11 14 13 16 15 74HC193 74HCT193 D1 VCC Q1 D0 Q0 MR CPD TCD CPU TCU Q2 PL Q3 D2 GND D3 001aaf408 1 2 3 4 5 6 7 8 10 9 12 11 14 13 16 15 Table 2. Pin description Symbol Pin Description D0 15 data input 0 D1 1 data input 1 D2 10 data input 2 D3 9 data input 3 Q0 3 flip-flop output 0 Q1 2 flip-flop output 1 Q2 6 flip-flop output 2 Q3 7 flip-flop output 3 CPD 4 count down clock input[1] CPU 5 count up clock input[1] GND 8 ground (0 V) PL 11 asynchronous parallel load input (active LOW) TCU 12 terminal count up (carry) output (active LOW) TCD 13 terminal count down (borrow) output (active LOW) MR 14 asynchronous master reset input (active HIGH) VCC 16 supply voltage |
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