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SN74HCS165PWR 数据表(PDF) 3 Page - Texas Instruments |
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SN74HCS165PWR 数据表(HTML) 3 Page - Texas Instruments |
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3 / 35 page ![]() 5 Pin Configuration and Functions 1 2 3 7 4 5 6 14 13 12 8 11 10 9 GND D B A VCC 15 16 CLK E F G H QH CLK INH C SER QH SH/LD D, PW, or DYY Package 16-Pin SOIC, TSSOP, or SOT-23 Top View CLK E F G H QH GND CLK INH D C B A QH SER PAD SH/LD VCC 2 3 4 5 6 7 8 15 14 13 12 11 10 9 1 16 BQB Package 16-Pin WQFN Top View Table 5-1. Pin Functions PIN I/O DESCRIPTION NAME NO. SH/LD 1 I Enable shifting when input is high, load data when input is low CLK 2 I Clock, rising edge triggered E 3 I Parallel input E F 4 I Parallel input F G 5 I Parallel input G H 6 I Parallel input H Q H 7 O Inverted serial output GND 8 — Ground QH 9 O Serial output SER 10 I Serial input A 11 I Parallel input A B 12 I Parallel input B C 13 I Parallel input C D 14 I Parallel input D CLK INH 15 I Clock inhibit input VCC 16 — Positive supply Thermal Pad(1) — The thermal pad can be connect to GND or left floating. Do not connect to any other signal or supply. (1) Only applies to the BQB package www.ti.com SN74HCS165 SCLS828A – AUGUST 2020 – REVISED MAY 2021 Copyright © 2021 Texas Instruments Incorporated Submit Document Feedback 3 Product Folder Links: SN74HCS165 |
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