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SN74LVC244ARGYRG4 数据表(PDF) 4 Page - Texas Instruments |
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SN74LVC244ARGYRG4 数据表(HTML) 4 Page - Texas Instruments |
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4 / 43 page ![]() Table 4-1. Pin Functions PIN TYPE DESCRIPTION NAME DB, DGV, DW, N, NS, PW, RGY and RKS ZQN RWP 1A1 2 A1 1 I Port 1 A1 input 1A2 4 B1 3 I Port 1 A2 input 1A3 6 C1 5 I Port 1 A3 input 1A4 8 D1 7 I Port 1 A4 input 1 OE 1 A2 20 I Output enable 1Y1 18 B4 17 O Port 1 Y1 output 1Y2 16 C4 15 O Port 1 Y2 output 1Y3 14 D4 13 O Port 1 Y3 output 1Y4 12 E4 11 O Port 1 Y4 output 2A1 11 E3 10 I Port 2 A1 input 2A2 13 D2 12 I Port 2 A2 input 2A3 15 C3 14 I Port 2 A3 input 2A4 17 B2 16 I Port 2 A4 input 2 OE 19 A4 18 I Output enable 2Y1 9 E2 8 O Port 2 Y1 output 2Y2 7 D3 6 O Port 2 Y2 output 2Y3 5 C2 4 O Port 2 Y3 output 2Y4 3 B3 2 O Port 2 Y4 output GND 10 E1 9 — Ground VCC 20 A3 19 — Power pin SN74LVC244A SCAS414AD – NOVEMBER 1992 – REVISED MARCH 2025 www.ti.com 4 Submit Document Feedback Copyright © 2025 Texas Instruments Incorporated Product Folder Links: SN74LVC244A |
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