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HD74LS161AFPEL 数据表(PDF) 5 Page - Renesas Technology Corp |
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HD74LS161AFPEL 数据表(HTML) 5 Page - Renesas Technology Corp |
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5 / 11 page ![]() HD74LS161A Rev.2.00, Feb.18.2005, page 5 of 10 Timing Method Enable P or T Load Clock Data Outputs A to D 1.3V 1.3V 1.3V 1.3V 1.3V 1.3V 1.3V 1.3V 1.3V tsu tw (CK) th tsu th tsu th 0V 3V 0V 3V 0V 3V 0V 3V Testing Method Test Circuit 4.5V QA Load circuit 1 QA VCC RL CL Input P.G. Zout = 50 Ω Input P.G. Zout = 50 Ω A B C D CK P T CLR Load QC QD QB Same as Load Circuit 1. QB Same as Load Circuit 1. QC Same as Load Circuit 1. QD Ripple Carry Ripple Carry Same as Load Circuit 1. Notes: 1. CL includes probe and jig capacitance. 2. All diodes are 1S2074(H). |
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