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74LS And 74HC Series IC
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74LS139 Dual 1-of-4 Decoder/ Demultiplexer in Pakistan
74LS139 Dual 1-of-4 Decoder/ Demultiplexer in Pakistan
₨239
74LS139 Dual 1-of-4 Decoder/ Demultiplexer in Pakistan
Packing list:
- 1x 74LS139 Dual 1-of-4 Decoder/ Demultiplexer
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Related products
- 74LS And 74HC Series IC
IC 74LS85 4 Bit Magnitude Comparator DIP 16 in Pakistan
74HC85 4-Bit Comparator IC (7485 IC) DIP-16 Package. 74LS85 is the four-bit magnitude comparators that perform a comparison of straight binary and straight BCD (8-4-2-1) codes. Three fully decoded decisions about two 4-bit words (A, B) are made and are externally available at three outputs. These devices are fully expandable to any number of bits without external gates.
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74LS138 – 3 to 8 Decoder De-Multiplexer IC in Pakistan
The 74LS138 is a 3:8 Decoder IC that is commonly used in decoding or de-multiplexing circuits for memory decoding or data routing purposes. It is designed for high-speed operations and has three enable pins to make it easier to cascade with other ICs. The device decodes 1-of-8 lines, set by x3 binary select inputs & three enable inputs. The LS138 can be used as an 8- output demultiplexer by using one active LOW Enable input as data input & the other Enable inputs as strobes. The IC has an operating voltage from 1.0V to 5.5V with a low power consumption of 32mW. The propagation delay is around 21nS.
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7490 74LS90 IC Decade Counter in Pakistan
Each counter has a divide-by-two section and either a divide-by-five (LS90), divide-by-six (LS92) or divide-by-eight (LS93) section which are triggered by a HIGH-to-LOW transition on the clock inputs. Each section can be used separately or tied together (Q to CP) to form BCD, bi-quinary, modulo-12, or modulo-16 counters. All of the counters have a 2-input gated Master Reset (Clear), and the LS90 also has a 2-input gated Master Set (Preset 9).
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