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CD74ACT138 数据表(PDF) 3 Page - Texas Instruments |
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CD74ACT138 数据表(HTML) 3 Page - Texas Instruments |
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3 / 30 page ![]() 3 Pin Configuration and Functions Figure 3-1. CD54ACT138 J Package; CD74ACT138 D, N, or PW Package; 16-Pin CDIP, SOIC, PDIP, or TSSOP (Top View) Figure 3-2. CD74ACT138 BQB Package, 16-Pin WQFN (Top View) Table 3-1. Pin Functions PIN TYPE(1) DESCRIPTION NAME NO. A 1 I Input A B 2 I Input B C 3 I Input C G2A 4 I Strobe Input 2A, active low G2B 5 I Strobe Input 2B, active low G1 6 I Strobe Input Y7 7 O Output 7 GND 8 G Ground Y6 9 O Output 6 Y5 10 O Output 5 Y4 11 O Output 4 Y3 12 O Output 3 Y2 13 O Output 2 Y1 14 O Output 1 Y0 15 O Output 0 VCC 16 P Positive Supply (1) I = Input, O = Output, I/O = Input or Output, G = Ground, P = Power. www.ti.com CD54ACT138, CD74ACT138 SCHS329C – JANUARY 2003 – REVISED JULY 2024 Copyright © 2024 Texas Instruments Incorporated Submit Document Feedback 3 Product Folder Links: CD54ACT138 CD74ACT138 |
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