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MC74AC157N 数据表(PDF) 1 Page - ON Semiconductor |
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MC74AC157N 数据表(HTML) 1 Page - ON Semiconductor |
1 / 10 page © Semiconductor Components Industries, LLC, 2005 January, 2005 − Rev. 6 1 Publication Order Number: MC74AC157/D MC74AC157, MC74ACT157 Quad 2−Input Multiplexer The MC74AC157/74ACT157 is a high−speed quad 2−input multiplexer. Four bits of data from two sources can be selected using the common Select and Enable inputs. The four outputs present the selected data in the true (noninverted) form. The MC74AC157/74ACT157 can also be used as a function generator. Features • Outputs Source/Sink 24 mA • ′ACT157 Has TTL Compatible Inputs • Pb−Free Packages are Available* 15 16 14 13 12 11 10 2 1 3 4 567 VCC 9 8 E I0c I1c Zc I0d I1d Zd SI0a I1a Za I0b I1b Zb GND Figure 1. Pinout: 16−Lead Packages Conductors (Top View) TRUTH TABLE Inputs Outputs E S I0 I1 Z H X X X L L H X L L L H X H H L L L X L L L H X H H = HIGH Voltage Level L = LOW Voltage Level X = Immaterial *For additional information on our Pb−Free strategy and soldering details, please download the ON Semiconductor Soldering and Mounting Techniques Reference Manual, SOLDERRM/D. PDIP−16 N SUFFIX CASE 648 1 16 SOIC−16 D SUFFIX CASE 751B 1 16 TSSOP−16 DT SUFFIX CASE 948F 1 16 See general marking information in the device marking section on page 3 of this data sheet. DEVICE MARKING INFORMATION 1 16 EIAJ−16 M SUFFIX CASE 966 See detailed ordering and shipping information in the package dimensions section on page 6 of this data sheet. ORDERING INFORMATION FUNCTION PIN NAMES I0a−I0d I1a−I1d PIN Source 0 Data Inputs E S Source 0 Data Inputs Enable Input Select Input Outputs Za−Zd http://onsemi.com |
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