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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/HCT4075
Triple 3-input OR gate
Product specification
File under Integrated Circuits, IC06
December 1990
Philips Semiconductors
Product specification
Triple 3-input OR gate
74HC/HCT4075
FEATURES
GENERAL DESCRIPTION
• Output capability: standard
The 74HC/HCT4075 are high-speed Si-gate CMOS
devices and are pin compatible with the “4075” of the
“4000B” series. They are specified in compliance with
JEDEC standard no. 7A.
• ICC category: SSI
The 74HC/HCT4075 provide the 3-input OR function.
QUICK REFERENCE DATA
GND = 0 V; Tamb = 25 °C; tr = tf = 6 ns
TYPICAL
SYMBOL
PARAMETER
CONDITIONS
UNIT
HC
tPHL/ tPLH
propagation delay nA, nB, nC to nY
CI
CPD
CL = 15 pF; VCC = 5 V
8
10
ns
input capacitance
3.5
3.5
pF
power dissipation capacitance per gate notes 1 and 2
28
32
pF
Notes
1. CPD is used to determine the dynamic power dissipation (PD in µW):
PD = CPD × VCC2 × fi + ∑ (CL × VCC2 × fo) where:
fi = input frequency in MHz
fo = output frequency in MHz
∑ (CL × VCC2 × 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”.
December 1990
HCT
2
Philips Semiconductors
Product specification
Triple 3-input OR gate
74HC/HCT4075
PIN DESCRIPTION
PIN NO.
SYMBOL
NAME AND FUNCTION
3, 1, 11
1A to 3A
data inputs
4, 2, 12
1B to 3B
data inputs
5, 8, 13
1C to 3C
data inputs
6, 9, 10
1Y to 3Y
data outputs
7
GND
ground (0 V)
14
VCC
positive supply voltage
Fig.1 Pin configuration.
Fig.2 Logic symbol.
Fig.3 IEC logic symbol.
FUNCTION TABLE
INPUTS
OUTPUT
nA
nB
nC
nY
L
H
X
X
L
X
H
X
L
X
X
H
L
H
H
H
Notes
1. H = HIGH voltage level
L = LOW voltage level
X = don’t care
Fig.4 Functional diagram.
December 1990
Fig.5 Logic diagram (one gate).
3
Philips Semiconductors
Product specification
Triple 3-input OR gate
74HC/HCT4075
DC CHARACTERISTICS FOR 74HC
For the DC characteristics see “74HC/HCT/HCU/HCMOS Logic Family Specifications”.
Output capability: standard
ICC category: SSI
AC CHARACTERISTICS FOR 74HC
GND = 0 V; tr = tf = 6 ns; CL = 50 pF
Tamb (°C)
TEST CONDITIONS
74HC
SYMBOL PARAMETER
+25
−40 to +85
−40 to +125
UNIT V
WAVEFORMS
CC
(V)
min. typ. max. min. max. min. max.
tPHL/ tPLH
propagation delay
nA, nB, nC to nY
28
10
8
100
20
17
125
25
21
150
30
26
ns
2.0
4.5
6.0
Fig.6
tTHL/ tTLH
output transition time
19
7
6
75
15
13
95
19
16
110
22
19
ns
2.0
4.5
6.0
Fig.6
December 1990
4
Philips Semiconductors
Product specification
Triple 3-input OR gate
74HC/HCT4075
DC CHARACTERISTICS FOR 74HCT
For the DC characteristics see “74HC/HCT/HCU/HCMOS Logic Family Specifications”.
Output capability: standard
ICC category: SSI
Note to HCT types
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
UNIT LOAD COEFFICIENT
nA, nB, nC
1.50
AC CHARACTERISTICS FOR 74HCT
GND = 0 V; tr = tf = 6 ns; CL = 50 pF
Tamb (°C)
TEST CONDITIONS
74HCT
SYMBOL PARAMETER
+25
−40 to +85
−40 to +125
UNIT V
WAVEFORMS
CC
(V)
min. typ. max. min. max. min. max.
tPHL/ tPLH
propagation delay
nA, nB, nC to nY
12
24
30
36
ns
4.5
Fig.6
tTHL/ tTLH
output transition time
7
15
19
22
ns
4.5
Fig.6
AC WAVEFORMS
(1) HC : VM = 50%; VI = GND to VCC.
HCT: VM = 1.3 V; VI = GND to 3 V.
Fig.6 Waveforms showing the input (nA, nB, nC) to output (nY) propagation delays and the output transition times.
PACKAGE OUTLINES
See “74HC/HCT/HCU/HCMOS Logic Package Outlines”.
December 1990
5
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