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MC74AC138 Datenblatt(PDF) 1 Page - ON Semiconductor |
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MC74AC138 Datenblatt(HTML) 1 Page - ON Semiconductor |
1 / 10 page © Semiconductor Components Industries, LLC, 2015 January, 2015 − Rev. 7 1 Publication Order Number: MC74AC138/D MC74AC138, MC74ACT138 1-of-8 Decoder/Demultiplexer The MC74AC138/74ACT138 is a high−speed 1−of−8 decoder/demultiplexer. This device is ideally suited for high−speed bipolar memory chip select address decoding. The multiple input enables allow parallel expansion to a 1−of−24 decoder using just three MC74AC138/74ACT138 devices or a 1−of−32 decoder using four MC74AC138/74ACT138 devices and one inverter. • Demultiplexing Capability • Multiple Input Enable for Easy Expansion • Active LOW Mutually Exclusive Outputs • Outputs Source/Sink 24 mA • ′ACT138 Has TTL Compatible Inputs • These are Pb−Free Devices VCC GND A0 A1 A2 E1 E2 E3 15 16 14 13 12 11 10 2 1 3 4 567 9 8 O7 O0 O1 O2 O3 O4 O5 O6 Figure 1. Pinout: 16−Lead Packages Conductors (Top View) Figure 2. Logic Symbol A0 A1 A2 E1 E2 E3 O1 O2 O3 O4 O5 O6 O7 O0 PIN ASSIGNMENT PIN FUNCTION A0−A2 Address Inputs E1−E2 Enable Inputs E3 Enable Input O0−O7 Outputs www.onsemi.com See detailed ordering and shipping information in the package dimensions section on page 7 of this data sheet. ORDERING INFORMATION SOIC−16 D SUFFIX CASE 751B TSSOP−16 DT SUFFIX CASE 948F 1 16 1 16 MARKING DIAGRAMS xxx = AC or ACT A = Assembly Location WL or L = Wafer Lot Y = Year WW or W = Work Week G or G = Pb−Free Package 1 16 xxx138G AWLYWW xxx 138 ALYW G G 1 16 (Note: Microdot may be in either location) |
Ähnliche Teilenummer - MC74AC138_15 |
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Ähnliche Beschreibung - MC74AC138_15 |
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