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INTEGRATED CIRCUITS
DATA SHEET
For a complete data sheet, please also download:
* The IC06 74HC/HCT/HCU/HCMOS Logic Family Specifications * The IC06 74HC/HCT/HCU/HCMOS Logic Package Information * The IC06 74HC/HCT/HCU/HCMOS Logic Package Outlines
74HC/HCT151 8-input multiplexer
Product specification File under Integrated Circuits, IC06 December 1990
Philips Semiconductors
Product specification
8-input multiplexer
FEATURES * True and complement outputs * Multifunction capability * Permits multiplexing from n lines to 1 line * Non-inverting data path * See the "251" for the 3-state version * Output capability: standard * ICC category: MSI GENERAL DESCRIPTION
74HC/HCT151
The 74HC/HCT151 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 = tf = 6 ns TYPICAL SYMBOL tPHL/ tPLH PARAMETER propagation delay In to Y, Y Sn to Y, Y E to Y E to Y CI CPD Notes 1. CPD is used to determine the dynamic power dissipation (PD in W): PD = CPD x VCC2 x fi + (CL x VCC2 x fo) where: fi = input frequency in MHz fo = output frequency in MHz (CL x VCC2 x fo) = sum of outputs CL = output load capacitance in pF VCC = supply voltage in V 2. For HC the condition is VI = GND to VCC For HCT the condition is VI = GND to VCC - 1.5 V ORDERING INFORMATION See "74HC/HCT/HCU/HCMOS Logic Package Information". input capacitance power dissipation capacitance per package notes 1 and 2 CONDITIONS HC CL = 15 pF; VCC = 5 V 17 19 12 14 3.5 40 19 20 13 18 3.5 40 ns ns ns ns pF pF HCT UNIT
December 1990
2
Philips Semiconductors
Product specification
8-input multiplexer
PIN DESCRIPTION PIN NO. 4, 3, 2, 1, 15, 14, 13, 12 5 6 7 8 11, 10, 9 16 SYMBOL I0 to I7 Y Y E GND S0, S1, S2 VCC NAME AND FUNCTION multiplexer inputs multiplexer output complementary multiplexer output enable input (active LOW) ground (0 V) select inputs positive supply voltage
74HC/HCT151
Fig.1 Pin configuration.
Fig.2 Logic symbol.
Fig.3 IEC logic symbol.
December 1990
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Philips Semiconductors
Product specification
8-input multiplexer
FUNCTION TABLE INPUTS E H L L L L L L L L L L L L L L L L Notes 1. H = HIGH voltage level L = LOW voltage level X = don't care. S2 X L L L L L L L L H H H H H H H H S1 X L L L L H H H H L L L L H H H H S0 X L L H H L L H H L L H H L L H H I0 X L H X X X X X X X X X X X X X X I1 X X X L H X X X X X X X X X X X X I2 X X X X X L H X X X X X X X X X X I3 X X X X X X X L H X X X X X X X X I4 X X X X X X X X X L H X X X X X X I5 X X X X X X X X X X X L H X X X X I6 X X X X X X X X X X X X X L H X X
74HC/HCT151
OUTPUTS I7 X X X X X X X X X X X X X X X L H Y H H L H L H L H L H L H L H L H L Y L L H L H L H L H L H L H L H L H
Fig.4 Functional diagram.
Fig.5 Logic diagram.
December 1990
4
Philips Semiconductors
Product specification
8-input multiplexer
DC CHARACTERISTICS FOR 74HC For the DC characteristics see "74HC/HCT/HCU/HCMOS Logic Family Specifications". Output capability: standard ICC category: MSI AC CHARACTERISTICS FOR 74HC GND = 0 V; tr = tf = 6 ns; CL = 50 pF Tamb (C) 74HC SYMBOL PARAMETER +25 min. typ. tPHL/ tPLH propagation delay In to Y propagation delay In to Y propagation delay Sn to Y propagation delay Sn to Y propagation delay E to Y propagation delay E to Y 52 19 15 58 21 17 61 22 18 61 22 18 41 15 12 47 17 14 19 7 6 max. 170 34 29 185 37 31 185 37 31 205 41 35 125 25 21 145 29 25 75 15 13 -40 to +85 min. max. 215 43 37 230 46 39 230 46 39 255 51 43 155 31 26 180 36 31 95 19 16 -40 to +125 min. max. 255 51 43 280 56 48 280 56 48 310 62 53 190 38 32 220 44 38 110 22 19 ns UNIT
74HC/HCT151
TEST CONDITIONS VCC (V) 2.0 4.5 6.0 2.0 4.5 6.0 2.0 4.5 6.0 2.0 4.5 6.0 2.0 4.5 6.0 2.0 4.5 6.0 2.0 4.5 6.0 WAVEFORMS
Fig.6
tPHL/ tPLH
ns
Fig.6
tPHL/ tPLH
ns
Fig.7
tPHL/ tPLH
ns
Fig.7
tPHL/ tPLH
ns
Fig.7
tPHL/ tPLH
ns
Fig.7
tTHL/ tTLH
output transition time
ns
Figs 6 and 7
December 1990
5
Philips Semiconductors
Product specification
8-input multiplexer
DC CHARACTERISTICS FOR 74HCT For the DC characteristics see "74HC/HCT/HCU/HCMOS Logic Family Specifications". Output capability: standard ICC category: MSI Note to HCT types
74HC/HCT151
The value of additional quiescent supply current (ICC) for a unit load of 1 is given in the family specifications. To determine ICC per input, multiply this value by the unit load coefficient shown in the table below.
INPUT In Sn E
UNIT LOAD COEFFICIENT 0.45 1.50 0.30
AC CHARACTERISTICS FOR 74HCT GND = 0 V; tr = tf = 6 ns; CL = 50 pF Tamb (C) 74HCT SYMBOL PARAMETER min. tPHL/ tPLH tPHL/ tPLH tPHL/ tPLH tPHL/ tPLH tPHL/ tPLH tPHL/ tPLH tTHL/ tTLH propagation delay In to Y propagation delay In to Y propagation delay Sn to Y propagation delay Sn to Y propagation delay E to Y propagation delay E to Y output transition time +25 typ. 22 22 23 25 16 21 7 -40 to +85 max. min. 38 38 41 43 29 36 15 max. 48 48 51 54 36 45 19 -40 to +125 min. max. 57 57 62 65 44 54 22 ns ns ns ns ns ns ns 4.5 4.5 4.5 4.5 4.5 4.5 4.5 Fig.6 Fig.6 Fig.7 Fig.7 Fig.7 Fig.7 Figs 6 and 7 UNIT VCC (V) WAVEFORMS TEST CONDITIONS
December 1990
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Philips Semiconductors
Product specification
8-input multiplexer
AC WAVEFORMS
74HC/HCT151
(1) HC : VM = 50%; VI = GND to VCC. HCT : VM = 1.3 V; VI = GND to 3 V.
Fig.6
Waveforms showing the multiplexer input (In) to outputs (Y and Y) propagation delays and the output transition times.
(1) HC : VM = 50%; VI = GND to VCC. HCT : VM = 1.3 V; VI = GND to 3 V.
Fig.7
Waveforms showing the select input (Sn) and enable input (E) to outputs (Y and Y) propagation delays and the output transition times.
PACKAGE OUTLINES See "74HC/HCT/HCU/HCMOS Logic Package Outlines".
December 1990
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