Logic selection guide 2016
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DECODERS/DEMULTIPLEXERS<br />
Features and benefits<br />
4 Multiple input enable for easy expansion, independent<br />
controls<br />
4 Integrated input latch for storing decoder-line addresses<br />
4 Asynchronous and synchronous load options<br />
4 Can be cascaded<br />
4 High frequency<br />
4 Bus-width reduction<br />
4 Optional overvoltage-tolerant inputs, inverting and noninverting<br />
outputs, and 3-stage outputs<br />
Applications<br />
4 Selection of memory banks and peripherals<br />
4 I/O expansion<br />
4 Memory addressing in automotive (display clusters, GPS,<br />
keyless entry)<br />
Decoders demultiplexers (cont.)<br />
Type<br />
number<br />
Description<br />
V CC<br />
(V)<br />
<strong>Logic</strong><br />
switching<br />
levels<br />
Output<br />
drive<br />
capability<br />
(mA)<br />
t pd<br />
(ns)<br />
Output<br />
Load<br />
C L (Typ)<br />
T amb<br />
(°C)<br />
74AHC138 3-to-8 line decoder/demultiplexer; inverting 2.0 to 5.5 CMOS ±8 4.4 50 pF -40 to +125<br />
74AHCT138 3-to-8 line decoder/demultiplexer; inverting; TTL-enabled 4.5 to 5.5 TTL ±8 4.4 50 pF -40 to +125<br />
74AHC139 Dual 2-to-4 line decoder/demultiplexer 2.0 to 5.5 CMOS ±8 3.9 50 pF -40 to +125<br />
74AHCT139 Dual 2-to-4 line decoder/demultiplexer; TTL-enabled 4.5 to 5.5 TTL ±8 3.6 50 pF -40 to +125<br />
74AUP1G18 1-to-2 demultiplexer (3-state) 1.1 to 3.6 CMOS 1.9/-1.9 3.2 30 pF -40 to +125<br />
74AUP1G19 1-to-2 decoder/demultiplexer 1.1 to 3.6 CMOS 1.9/-1.9 3 30 pF -40 to +125<br />
74HC138 3-to-8 line decoder/demultiplexer; inverting 2.0 to 6.0 CMOS ±5.2 12 50 pF -40 to +125<br />
74HCT138 3-to-8 line decoder/demultiplexer; inverting; TTL-enabled 4.5 to 5.5 TTL ±4 19 50 pF -40 to +125<br />
74HC139 Dual 2-to-4 line decoder/demultiplexer 2.0 to 6.0 CMOS ±5.2 14 50 pF -40 to +125<br />
74HCT139 Dual 2-to-4 line decoder/demultiplexer; TTL-enabled 4.5 to 5.5 TTL ±4 16 50 pF -40 to +125<br />
74HC154 4-to-16 line decoder/demultiplexer 2.0 to 6.0 CMOS ±5.2 11 50 pF -40 to +125<br />
74HCT154 4-to-16 line decoder/demultiplexer; TTL-enabled 4.5 to 5.5 TTL ±4 13 50 pF -40 to +125<br />
74HC238 3-to-8 decoder/demultiplexer 2.0 to 6.0 CMOS ±5.2 14 50 pF -40 to +125<br />
74HCT238 3-to-8 decoder/demultiplexer; TTL-enabled 4.5 to 5.5 TTL ±4 18 50 pF -40 to +125<br />
74HC42 BCD to decimal decoder (1-of-10) 2.0 to 6.0 CMOS ±5.2 17 50 pF -40 to +125<br />
Note: Selected package types only. Complete package listings are in the previous section and online at www.nxp.com/logic.<br />
78 NXP <strong>Logic</strong> <strong>selection</strong> <strong>guide</strong> <strong>2016</strong>