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74AHC259D 데이터시트(PDF) 4 Page - NXP Semiconductors |
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74AHC259D 데이터시트(HTML) 4 Page - NXP Semiconductors |
4 / 20 page 2000 Mar 14 4 Philips Semiconductors Product specification 8-bit addressable latch 74AHC259; 74AHCT259 FUNCTION TABLE See note 1. Note 1. H = HIGH voltage level; L = LOW voltage level; X = don’t care; d = HIGH or LOW data one set-up time prior to the LOW-to-HIGH LE transition; q = lower case letters indicate the state of the referenced output established during the last cycle in which it was addressed or cleared. ORDERING INFORMATION OPERATING MODE INPUTS OUTPUTS MR LE D A0 A1 A2 Q0Q1Q2Q3Q4Q5Q6Q7 reset L H XXXX LLLLLLLL demultiplexer (active HIGH 8-channel) decoder (when D = H) LL dLLL Q = d LLLLLLL d H L L L Q = d LLLLLL d L H L LL Q = d LLLLL d H H L LLL Q = d LLLL d L L H LLLL Q = d LLL d H L H LLLLL Q = d L L d L H H LLLLLL Q = d L d H H H LLLLLLL Q = d memory (do nothing) H H XXXX q0 q1 q2 q3 q4 q5 q6 q7 addressable latch H L dLLL Q = d q1 q2 q3 q4 q5 q6 q7 dHL L q0 Q=d q2 q3 q4 q5 q6 q7 d LHL q0 q1 Q=d q3 q4 q5 q6 q7 dH HL q0 q1 q2 Q=d q4 q5 q6 q7 dLL H q0 q1 q2 q3 Q=d q5 q6 q7 dHLH q0 q1 q2 q3 q4 Q=d q6 q7 dL H H q0 q1 q2 q3 q4 q5 Q=d q7 HHHH q0 q1 q2 q3 q4 q5 q6 Q=d TYPE NUMBER PACKAGES TEMPERATURE RANGE PINS PACKAGE MATERIAL CODE 74AHC259D −40 to +125 °C 16 SO plastic SOT109-1 74AHC259PW 16 TSSOP plastic SOT403-1 74AHCT259D 16 SO plastic SOT109-1 74AHCT259PW 16 TSSOP plastic SOT403-1 |
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