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SN74HC74D 数据表(PDF) 3 Page - Texas Instruments |
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SN74HC74D 数据表(HTML) 3 Page - Texas Instruments |
3 / 15 page 3 2 1 20 19 9 10 11 12 13 4 5 6 7 8 18 17 16 15 14 2D NC 2CLK NC 2PRE 1CLK NC 1PRE NC 1Q 1 2 3 4 5 6 7 14 13 12 11 10 9 8 1CLR 1D 1CLK 1PRE 1Q 1Q GND VCC 2CLR 2D 2CLK 2PRE 2Q 2Q SN54HC74, SN74HC74 www.ti.com SCLS094E – DECEMBER 1982 – REVISED DECEMBER 2015 5 Pin Configuration and Functions N, NS, D, DB, PW, J, or W Package FK Package 14-Pin PDIP, SO, SOIC, SSOP, TSSOP, CDIP, or CFP 20-Pin LCCC Top View Top View NC – No internal connection Pin Functions PIN SOIC, SSOP, CDIP, I/O DESCRIPTION NAME LCCC PDIP, SO, TSSOP, CFP NO. 1CLK 4 3 I Clock input 1CLR 2 1 I Clear input - Pull low to set 1Q output low 1D 3 2 I Input 1PRE 6 4 I Preset input 1Q 8 5 O Output 1Q 9 6 O Inverted output 2CLK 16 11 I Clock input 2CLR 19 13 I Clear input - Pull low to set 1Q output low 2D 18 12 I Input 2PRE 14 10 I Preset input 2Q 13 9 O Output 2Q 12 8 O Inverted output GND 10 7 — Ground 1 5 7 NC — — No connect (no internal connection) 11 15 17 VCC 20 14 — Supply Copyright © 1982–2015, Texas Instruments Incorporated Submit Documentation Feedback 3 Product Folder Links: SN54HC74 SN74HC74 |
类似零件编号 - SN74HC74D |
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类似说明 - SN74HC74D |
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