General Description
Features
■ Typical propagation delay: 13ns
■ Wide power supply range: 2V–6V
■ Low quiescent current: 20µA maximum (74HC Series)
■ Low input current: 1µA maximum
■ Fanout of 10 LS-TTL loads
■ Typical hysteresis voltage: 0.9V at VCC = 4.5V
The MM74HC14 utilizes advanced silicon-gate CMOS
technology to achieve the low power dissipation and
high noise immunity of standard CMOS, as well as the
capability to drive 10 LS-TTL loads.
The 74HC logic family is functionally and pinout compatible with the standard 74LS logic family. All inputs are
protected from damage due to static discharge by internal diode clamps to VCC and ground.
Ordering Information
Order Number
MM74HC14M
MM74HC14SJ
MM74HC14MTC
MM74HC14N
Package
Number
Package Description
M14A
14-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150" Narrow
M14D
14-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide
MTC14
N14A
14-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide
14-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300" Wide
Device also available in Tape and Reel. Specify by appending suffix letter “X” to the ordering number.
All packages are lead free per JEDEC: J-STD-020B standard.
Connection Diagram
Logic Diagram
Pin Assignments for DIP, SOIC, SOP and TSSOP
Top View
©1983 Semiconductor Components Industries, LLC.
August-2017, Rev. 2
Publication Order Number:
MM74HC14/D
MM74HC14 — Hex Inverting Schmitt Trigger
MM74HC14
Hex Inverting Schmitt Trigger
Stresses exceeding the absolute maximum ratings may damage the device. The device may not function or be
operable above the recommended operating conditions and stressing the parts to these levels is not recommended.
In addition, extended exposure to stresses above the recommended operating conditions may affect device reliability.
The absolute maximum ratings are stress ratings only.
Symbol
Parameter
Rating
VCC
Supply Voltage
VIN
DC Input Voltage
–1.5 to VCC+1.5V
DC Output Voltage
–0.5 to VCC+0.5V
VOUT
IIK, IOK
–0.5 to +7.0V
Clamp Diode Current
±20mA
IOUT
DC Output Current, per pin
±25mA
ICC
DC VCC or GND Current, per pin
±50mA
TSTG
PD
Storage Temperature Range
–65°C to +150°C
Power Dissipation
Note 2
600mW
S.O. Package only
TL
500mW
Lead Temperature (Soldering 10 seconds)
260°C
Notes:
1. Unless otherwise specified all voltages are referenced to ground.
2. Power Dissipation temperature derating — plastic “N” package: –12mW/°C from 65°C to 85°C.
Recommended Operating Conditions
The Recommended Operating Conditions table defines the conditions for actual device operation. Recommended
operating conditions are specified to ensure optimal performance to the datasheet specifications. ON Semiconductor
does not recommend exceeding them or designing to absolute maximum ratings.
Symbol
VCC
VIN, VOUT
TA
Parameter
Min.
Max.
Units
Supply Voltage
2
6
V
DC Input or Output Voltage
0
VCC
V
–55
+125
°C
Operating Temperature Range
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2
MM74HC14 — Hex Inverting Schmitt Trigger
Absolute Maximum Ratings(1)
Symbol
VT+
Parameter
Positive Going
Threshold Voltage
VCC (V)
2.0
Conditions
Minimum
Hysteresis Voltage
2.7
2.0
2.0
2.0
3.2
3.0
3.0
3.0
1.2
1.5
1.5
1.5
4.5
2.7
3.15
3.15
3.15
6.0
3.2
4.2
4.2
4.2
4.5
2.0
Maximum
0.7
0.3
0.3
0.3
4.5
1.8
0.9
0.9
0.9
6.0
2.2
1.2
1.2
1.2
0.7
1.0
1.0
1.0
4.5
1.8
2.2
2.2
2.2
6.0
2.2
3.0
3.0
3.0
0.5
0.2
0.2
0.2
0.9
0.4
0.4
0.4
1.0
0.5
0.5
0.5
0.5
1.0
1.0
1.0
4.5
0.9
1.4
1.4
1.4
6.0
1.0
1.5
1.5
1.5
2.0
1.9
1.9
1.9
4.5
4.4
4.4
4.4
6.0
5.9
5.9
5.9
2.0
Minimum
Maximum
Minimum
6.0
2.0
VOL
Minimum HIGH
Level Output
Voltage
Maximum LOW
Level Output
Voltage
Guaranteed Limits
1.0
4.5
VOH
Typ.
1.0
2.0
VH
TA = –55°C
to 125°C
1.0
2.0
Negative Going
Threshold Voltage
TA = –40°C
to 85°C
1.2
6.0
VT–
TA = 25°C
2.0
4.5
Maximum
VIN = VIL,
|IOUT| = 20µA
6.0
4.5
VIN = VIL,
|IOUT| = 4.0mA
4.2
3.98
3.84
3.7
6.0
VIN = VIL,
|IOUT| = 5.2mA
5.7
5.48
5.34
5.2
2.0
VIN = VIH,
|IOUT| = 20µA
0
0.1
0.1
0.1
0
0.1
0.1
0.1
0
0.1
0.1
0.1
4.5
6.0
4.5
VIN = VIH,
|IOUT| = 4.0mA
0.2
0.26
0.33
0.4
6.0
VIN = VIH,
|IOUT| = 5.2mA
0.2
0.26
0.33
0.4
Units
V
V
V
V
V
IIN
Maximum Input
Current
6.0
VIN = VCC or GND
±0.1
±1.0
±1.0
µA
ICC
Maximum
Quiescent Supply
Current
6.0
VIN = VCC or GND,
IOUT = 0µA
2.0
20
40
µA
Note:
3. For a power supply of 5V ±10% the worst case output voltages (VOH, and VOL) occur for HC at 4.5V. Thus the 4.5V
values should be used when designing with this supply. Worst case VIH and VIL occur at VCC = 5.5V and 4.5V
respectively. (The VIH value at 5.5V is 3.85V.) The worst case leakage current (IIN, ICC, and IOZ) occur for CMOS at
the higher voltage and so the 6.0V values should be used.
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3
MM74HC14 — Hex Inverting Schmitt Trigger
DC Electrical Characteristics(3)
Symbol
tPHL, tPLH
Parameter
Conditions
Maximum Propagation Delay
Typ.
Guaranteed
Limit
Units
12
22
ns
AC Electrical Characteristics
VCC = 2.0V to 6.0V, CL = 50pF, tr = tf = 6ns (unless otherwise specified)
Symbol
tPHL, tPLH
tTLH, tTHL
Parameter
Maximum
Propagation Delay
Maximum Output
Rise and Fall Time
CPD
Power Dissipation
Capacitance(4)
CIN
Maximum Input
Capacitance
VCC (V)
Conditions
TA = 25°C
TA = –40°C
to 85°C
TA = –55°C
to 125°C
Typ.
Guaranteed Limits
2.0
60
125
156
188
4.5
13
25
31
38
6.0
11
21
26
32
2.0
30
75
95
110
4.5
8
15
19
22
6.0
7
13
16
19
(per gate)
27
5
Units
ns
ns
pF
10
10
10
pF
Note:
4. CPD determines the no load dynamic power consumption, PD = CPD VCC2 f + ICC VCC, and the no load dynamic
current consumption, IS = CPD VCC f + ICC .
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4
MM74HC14 — Hex Inverting Schmitt Trigger
AC Electrical Characteristics
VCC = 5V, TA = 25°C, CL = 15pF, tr = tf = 6ns
Input Threshold, VT+, VT–, vs Power Supply Voltage
Propagation Delay vs. Power Supply
Typical Applications
Low Power Oscillator
Note:
The equations assume t1+ t2 >> tpd0 + tpd1
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5
MM74HC14 — Hex Inverting Schmitt Trigger
Typical Performance Characteristics
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