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5 / 17 page December 1990 5 Philips Semiconductors Product specification 8-channel analog multiplexer/demultiplexer with latch 74HC/HCT4351 RATINGS Limiting values in accordance with the Absolute Maximum System (IEC 134) Voltages are referenced to VEE = GND (ground = 0 V) Note to ratings 1. To avoid drawing VCC current out of terminal Z, when switch current flows in terminals Yn, the voltage drop across the bidirectional switch must not exceed 0.4 V. If the switch current flows into terminal Z, no VCC current will flow out of terminals Yn. In this case there is no limit for the voltage drop across the switch, but the voltages at Yn and Z may not exceed VCC or VEE. RECOMMENDED OPERATING CONDITIONS SYMBOL PARAMETER MIN. MAX. UNIT CONDITIONS VCC DC supply voltage −0.5 +11.0 V ±I IK DC digital input diode current 20 mA for VI <−0.5 V or VI > VCC + 0.5 V ±ISK DC switch diode current 20 mA for VS <−0.5 V or VS > VCC + 0.5 V ±I S DC switch current 25 mA for −0.5 V < VS < VCC + 0.5 V ±I EE DC VEE current 20 mA ±I CC; ±IGND DC VCC or GND current 50 mA Tstg storage temperature range −65 +150 °C Ptot power dissipation per package for temperature range: −40 to +125 °C 74HC/HCT plastic DIL 750 mW above +70 °C: derate linearly with 12 mW/K plastic mini-pack (SO) 500 mW above +70 °C: derate linearly with 8 mW/K PS power dissipation per switch 100 mW SYMBOL PARAMETER 74HC 74HCT UNIT CONDITIONS min. typ. max. min. typ. max. VCC DC supply voltage VCC−GND 2.0 5.0 10.0 4.5 5.0 5.5 V see Figs 6 and 7 VCC DC supply voltage VCC−VEE 2.0 5.0 10.0 2.0 5.0 10.0 V see Figs 6 and 7 VI DC input voltage range GND VCC GND VCC V VS DC switch voltage range VEE VCC VEE VCC V Tamb operating ambient temperature range −40 +85 −40 +85 °C see DC and AC CHARACTERISTICS Tamb operating ambient temperature range −40 +125 −40 +125 °C tr, tf input rise and fall times 6.0 1000 500 400 250 6.0 500 ns VCC = 2.0 V VCC = 4.5 V VCC = 6.0 V VCC = 10.0 V |
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