器件名称:
74AC138ALYW
功能描述:
1of8 Decoder/Demultiplexer
文件大小:
189.74KB 共11页
简 介:
MC74AC138, MC74ACT138 1of8 Decoder/Demultiplexer T h e M C 7 4 A C 1 3 8 / 7 4 A C T 1 3 8 i s a h i g h s p e e d 1 o f 8 decoder/demultiplexer. This device is ideally suited for highspeed bipolar memory chip select address decoding. The multiple input enables allow parallel expansion to a 1of24 decoder using just three MC74AC138/74ACT138 devices or a 1of32 decoder using four MC74AC138/74ACT138 devices and one inverter. http://onsemi.com w Demultiplexing Capability Multiple Input Enable for Easy Expansion Active LOW Mutually Exclusive Outputs Outputs Source/Sink 24 mA ′ACT138 Has TTL Compatible Inputs These devices are available in Pbfree package(s). Specifications herein apply to both standard and Pbfree devices. Please see our website at www.onsemi.com for specific Pbfree orderable part numbers, or contact your local ON Semiconductor sales office or representative. VCC 16 O0 15 O1 14 O2 13 O3 12 O4 11 O5 10 O6 9 16 1 DIP16 N SUFFIX CASE 648 16 1 SO16 D SUFFIX CASE 751B 16 1 TSSOP16 DT SUFFIX CASE 948F 16 1 EIAJ16 M SUFFIX CASE 966 1 A0 2 A1 3 A2 4 E1 5 E2 6 E3 7 O7 8 GND ORDERING INFORMATION Device MC74AC138N MC74ACT138N MC74AC138D MC74ACT138D Package PDIP16 PDIP16 SOIC16 SOIC16 SOIC16 SOIC16 TSSOP16 TSSOP16 Shipping 25 Units/Rail 25 Units/Rail 48 Units/Rail 48 Units/Rail 2500 Tape & Reel 2500 Tape & Reel 96 Units/Rail 96 Units/Rail Figure 1. Pinout: 16Lead Packages Conductors (Top View) A0 A1 A2 E1 E2 E3 MC74AC138DR2 MC74ACT138DR2 O0 O1 O2 ……