PHILIPS 74HC/HCT365 Hex buffer/line driver; 3-state handbook
Contents
1. O 0 74HC HCT 365 DD INTEGRATED CIRCUITS DATA SHEET For a complete data sheet please also download e The IC06 74HC HCT HCU HCMOS Logic Family Specifications e The IC06 74HC HCT HCU HCMOS Logic Package Information e The IC06 74HC HCT HCU HCMOS Logic Package Outlines 74HC HCT365 Hex buffer line driver 3 state Product specification December 1990 File under Integrated Circuits IC06 Philips PHILIPS Semiconductors PI l LI Philips Semiconductors Product specification SSS eee OZ p eGBMBM XN Hex buffer line driver 3 state 74HC HCT365 FEATURES The 74HC HCT365 are hex non inverting buffer line drivers with 3 state outputs The 3 state outputs nY are Neminvering auiputs controlled by the output enable inputs OE4 OE3 e Output capability bus driver A HIGH on OE causes the outputs to assume a high e Icc category MSI impedance OFF state The 365 is identical to the 366 but has non inverting GENERAL DESCRIPTION outputs The 74HC HCT365 are high speed Si gate CMOS devices and are pin compatible with low power Schottky TTL LSTTL They are specified in compliance with JEDEC standard no 7A QUICK REFERENCE DATA GND 0 V Tamb 25 C tr tt 6 ns TYPICAL SYMBOL PARAMETER CONDITIONS tpHL tpLH propagation delay CL 15 pF Vecc 5V nA to nY input capacitance power dissipation capacitance per buffer notes 1 and 2 Notes 1 Cpp is used to determine the d2. teristics see 74HC HCT HCU HCMOS Logic Family Specifications Output capability bus driver Icc category MSI AC CHARACTERISTICS FOR 74HC GND 0 V t ts 6 ns Cr 50 pF Tamb C TEST CONDITIONS 74HC SYMBOL PARAMETER WAVEFORMS 40 to 85 40 to 125 tpu tpLH propagation delay Fig 6 nA to nY tpzH tpz 3 state output enable time Fig 7 OE to nY tpuz tpLz 3 state output disable Fig 7 time OE to nY truL trL output transition time Fig 6 December 1990 5 Philips Semiconductors Product specification Hex buffer line driver 3 state 74HC HCT365 DC CHARACTERISTICS FOR 74HCT For the DC characteristics see 74HC HCT HCU HCMOS Logic Family Specifications Output capability bus driver Icc category MSI Note to HCT types The value of additional quiescent supply current Alcc for a unit load of 1 is given in the family specifications To determine Alcc per input multiply this value by the unit load coefficient shown in the table below INPUT UNIT LOAD COEFFICIENT OE 1 00 OE3 0 90 nA 1 00 AC CHARACTERISTICS FOR 74HCT GND 0 V tr tp 6 ns Cr 50 pF Tamb C TEST CONDITIONS 74HCT Vec 40 to 85 40 to 125 V PARAMETER WAVEFORMS tpu tpLH propagation delay 4 5 Fig 6 nA to nY tpzH4 tpz 3 state output enable 4 5 Fig 7 time OE to nY 3 state output disable time OE to nY tru trL o
3. utput transition time December 1990 6 Philips Semiconductors Product specification Hex buffer line driver 3 state 74HC HCT365 AC WAVEFORMS nA INPUT nY OUTPUT 7293690 1 HC Vu 50 VI GND to Voc HCT Vm 1 3 V Vi GND to 3 V Fig 6 Waveforms showing the input nA to output nY propagation delays and the output transition times DEN INPUT OUTPUT LOW to OFF OFF ta LOW OUTPUT HIGH to OFF OFF to HIGH 1 HC Vm 50 V GND to Vcc outputs outputs outouts HCT Vy 1 3 V Vi GND to 3 V 7293091 enabled disabled enabled Fig 7 Waveforms showing the 3 state enable and disable times PACKAGE OUTLINES See 74HC HCT HCU HCMOS Logic Package Outlines December 1990 7
4. ynamic power dissipation Pp in uW Pp Cpp x Vec x fi E CL x Voc x fo where fi input frequency in MHz fo output frequency in MHz CL x Voc x fo sum of outputs CL output load capacitance in pF Vcc supply voltage in V 2 ForHC the condition is V GND to Vcc For HCT the condition is V GND to Vcc 1 5 V ORDERING INFORMATION See 74HC HCT HCU HCMOS Logic Package Information December 1990 2 Philips Semiconductors Product specification Hex buffer line driver 3 state 74HC HCT365 PIN DESCRIPTION PIN NO SYMBOL NAME AND FUNCTION 1 15 OE OE2 output enable inputs active LOW 2 4 6 10 12 14 1A to 6A data inputs 3 5 7 9 11 13 1Y to 6Y data outputs 8 GND ground 0 V 16 Voc positive supply voltage 7293676 7Z93672 7793680 Fig 1 Pin configuration Fig 2 Fig 3 IEC logic symbol December 1990 3 Philips Semiconductors Product specification Hex buffer line driver 3 state 74HC HCT365 FUNCTION TABLE INPUTS OUTPUT OE OE nA nY L L L L L L H H X H X Z H X X Z Notes 1 H HIGH voltage level L LOW voltage level X don t care Z high impedance OFF state 7293881 Fig 4 Functional diagram ONE BUFFER LINE DRIVER SIX IDENTICAL CIRCUITS 7293851 Fig 5 Logic diagram December 1990 4 Philips Semiconductors Product specification Hex buffer line driver 3 state 74HC HCT365 DC CHARACTERISTICS FOR 74HC For the DC charac
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