DESCRIPTION
Pro t(s)PIN No 1, 19 lete uc2, 3 d7, 13, 6, 14, 5, 15, 4, 16 so ro8, 17 b P9 - O te11 12 ) le18 t(s so10 c b20 SYMBOL S0, S1 G1, G2 A/QA to H/QH QA’ to QH’ CLEAR SR CLOCK SL GND VCC NAME AND FUNCTION Mode Select Inputs 3-State Output Enable Inputs (Active LOW) Parallel Data Inputs or 3-State Parallel Outputs (Bus Driver) Serial Outputs (Standard Output) Asynchronous Master Reset Input (Active LOW) Serial Data Shift Right Input Clock Input (LOW to HIGH, Edge-triggered) Serial Data Shift Left Input Ground (0V) Positive Supply Voltage du - OTRUTH TABLE te Pro ct(s)MODE le uCLEAR bso ProdZ O teCLEAR leHOLD soSHIFT bRIGHT O SHIFT L L L H H H H INPUTS FUNCTION SELECTED OUTPUT CONTROL S1 S0 G1* G2* HH X X LXL L XL L L LLLL LHL L LHL L HL L L CLOCK X X X X INPUTS/OUTPUTS OUTPUTS SERIAL SL SR XX XX XX XX XH XL HX A/QA H/QH QA’ QH’ Z L L QA0 H L QBn Z L L QH0 QGn QGn H L L L QA0 H L QBn L L L QH0 QGn QGn H LEFT H H L L L L X QBn L QBn L LOAD H H H X X X X ahah * When one or both cont...
STMicroelectronics
