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74LV259N 数据表(PDF) 4 Page - NXP Semiconductors |
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74LV259N 数据表(HTML) 4 Page - NXP Semiconductors |
4 / 14 page Philips Semiconductors Product specification 74LV259 8-bit addressable latch 1998 May 20 4 FUNCTION TABLE OPERATING MODES INPUTS OUTPUTS OPERATING MODES MR LE D A0 A1 A2 Q0 Q1 Q2 Q3 Q4 Q5 Q6 Q7 Master reset L H X X X X L L L L L L L L L L d L L L Q=d L L L L L L L L L d H L L L Q=d L L L L L L Demultiplex L L d L H L L L Q=d L L L L L Demultiplex (active HIGH) L L d H H L L L L Q=d L L L L () decoder (whenD=H) L L d L L H L L L L Q=d L L L (when D = H) L L d H L H L L L L L Q=d L L L L d L H H L L L L L L Q=d L L L d H H H L L L L L L L Q=d Store (do nothing) H H X X X X q0 q1 q2 q3 q4 q5 q6 q7 H L d L L L Q=d q1 q2 q3 q4 q5 q6 q7 H L d H L L q0 Q=d q2 q3 q4 q5 q6 q7 H L d L H L q0 q1 Q=d q3 q4 q5 q6 q7 Addressable latch H L d H H L q0 q1 q2 Q=d q4 q5 q6 q7 Addressable latch H L d L L H q0 q1 q2 q3 Q=d q5 q6 q7 H L d H L H q0 q1 q2 q3 q4 Q=d q6 q7 H L d L H H q0 q1 q2 q3 q4 q5 Q=q q7 H L d H H H q0 q1 q2 q3 q4 q5 q6 Q=d NOTES: 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 established during the last cycle in which it was addressed or cleared RECOMMENDED OPERATING CONDITIONS SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNIT VCC DC supply voltage See Note 1 1.0 3.3 3.6 V VI Input voltage 0 – VCC V VO Output voltage 0 – VCC V Tamb Operating ambient temperature range in free air See DC and AC characteristics –40 –40 +85 +125 °C tr, tf Input rise and fall times VCC = 1.0V to 2.0V VCC = 2.0V to 2.7V VCC = 2.7V to 3.6V – – – – – – 500 200 100 ns/V NOTE: 1. The LV is guaranteed to function down to VCC = 1.0V (input levels GND or VCC); DC characteristics are guaranteed from VCC = 1.2V to VCC = 5.5V. |
类似零件编号 - 74LV259N |
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类似说明 - 74LV259N |
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