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MC74HC14A Hex Schmitt-Trigger Inverter
High-Performance Silicon-Gate CMOS
The MC74HC14A is identical in pinout to the LS14, LS04 and the HC04. The device inputs are compatible with Standard CMOS outputs; with pullup resistors, they are compatible with LSTTL outputs. The HC14A is useful to "square up" slow input rise and fall times. Due to hysteresis voltage of the Schmitt trigger, the HC14A finds applications in noisy environments. * Output Drive Capability: 10 LSTTL Loads * Outputs Directly Interface to CMOS, NMOS and TTL * Operating Voltage Range: 2 to 6V * Low Input Current: 1A * High Noise Immunity Characteristic of CMOS Devices * In Compliance With the JEDEC Standard No. 7A Requirements * Chip Complexity: 60 FETs or 15 Equivalent Gates
LOGIC DIAGRAM
A1 1 2 Y1
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14 PDIP-14 N SUFFIX CASE 646 MC74HC14AN AWLYYWW 1 14 SOIC-14 D SUFFIX CASE 751A 1 14 TSSOP-14 DT SUFFIX CASE 948G 1 A = Assembly Location WL or L = Wafer Lot YY or Y = Year WW or W = Work Week HC 14A ALYW HC14A AWLYWW
A2
3
4
Y2
A3
5
6
Y3 Y=A
FUNCTION TABLE
Inputs A L H Outputs Y H L
A4
9
8
Y4
Pin 14 = VCC Pin 7 = GND
A5
11
10
Y5
A6
13
12
Y6
Pinout: 14-Lead Packages (Top View)
VCC 14 A6 13 Y6 12 A5 11 Y5 10 A4 9 Y4 8
ORDERING INFORMATION
Device MC74HC14AN MC74HC14AD MC74HC14ADR2 MC74HC14ADT MC74HC14ADTR2 Package PDIP-14 SOIC-14 SOIC-14 TSSOP-14 TSSOP-14 Shipping 2000 / Box 55 / Rail 2500 / Reel 96 / Rail 2500 / Reel
1 A1
2 Y1
3 A2
4 Y2
5 A3
6 Y3
7 GND
(c) Semiconductor Components Industries, LLC, 1999
1
March, 2000 - Rev. 8
Publication Order Number: MC74HC14A/D
MC74HC14A
IIIIIIIIIIIIIIIIIIII II I IIII II I I IIIIIIIIIIIIIIIIIIIIIII II I I IIIIIIIIIIIIIIIIIIIIIII IIIIIIIIIIIIIIIIIII I II II I I I IIIIIIIIIIIIIIIIIIIIIII IIII IIIIIIIIIIIIIIIIIIIIIII II I II I I III II I IIIIIIIIIIIIIIIIIIIIIII IIIIIIIIIIIIIIIIIIII I IIIIIIIIIIIIIIIIIIIIIII II I III II I IIIIIIIIIIIIIIIIIIIIIII II I IIIIIIIIIIIIIIIIIIIIIII II I IIIIIIIIIIIIIIIIIIIIIII II I IIIIIIIIIIIIIIIIIIIIIII II I IIIIIIIIIIIIIIIIIIIIIII II I IIIIIIIIIIIIIIIIIIIIIII II I IIIIIIIIIIIIIIIIIIIIIII IIIII I IIIIIIIIIIIIIIIIIIIIIII II I IIIIIIIIIIIIIIIIIIIIIII IIIIIIIIIIIIIIIIIIIII I IIII IIIIIIIIIIIIIIIIIIIII I I IIIIIIIIIIIIIIIIIIIIIII IIIIIIIIIIIIIIIIIIIIIII II IIIIIIIIIIIIIIIIIIIIIII
MAXIMUM RATINGS*
SymbolIIIIIIIIIIIIII Parameter VCC Vin DC Supply Voltage (Referenced to GND) DC Input Voltage (Referenced to GND) Value Unit - 0.5 to + 7.0III V V V - 0.5 to VCC + 0.5 - 0.5 to VCC + 0.5 20 25 50 750 500 450 Vout Iin DC Output Voltage (Referenced to GND) DC Input Current, per Pin mA mA mA Iout DC Output Current, per Pin ICC PD DC Supply Current, VCC and GND Pins Power Dissipation in Still Air, Plastic DIP SOIC Package TSSOP Package mW Tstg TL Storage Temperature Range - 65 to + 150 260
This device contains protection circuitry to guard against damage due to high static voltages or electric fields. However, precautions must be taken to avoid applications of any voltage higher than maximum rated voltages to this high-impedance circuit. For proper operation, Vin and Vout should be constrained to the range GND (Vin or Vout) VCC. Unused inputs must always be tied to an appropriate logic voltage level (e.g., either GND or VCC). Unused outputs must be left open.
v
v
_C _C
Lead Temperature, 1 mm from Case for 10 Seconds Plastic DIP, SOIC or TSSOP Package
*Maximum Ratings are those values beyond which damage to the device may occur. Functional operation should be restricted to the Recommended Operating Conditions. Derating -- Plastic DIP: - 10 mW/_C from 65_ to 125_C SOIC Package: - 7 mW/_C from 65_ to 125_C TSSOP Package: - 6.1 mW/_C from 65_ to 125_C For high frequency or heavy load considerations, see Chapter 2 of the Motorola High-Speed CMOS Data Book (DL129/D).
RECOMMENDED OPERATING CONDITIONS
III I I I I I IIIIIIIIIIIIIIIIIIIII II III I I IIIIIIIIIIIIIIIIIIIIII I I IIIIIIIIIIIIIIIIIIIIIII III III I I III I IIIIIIIIIIIIIIIIIIIIIII III I IIIIIIIIIIIIIIIIIIIIIII III I IIIIIIIIIIIIIIIIIIIIIII IIIIIIIIIIIIIIIIIIIII I IIIIIIIIIIIIIIIIIIIIIII III II I IIIIIIIIIIIIIIIIIIIIIII III I IIIIIIIIIIIIIIIIIIIIIII III I IIIIIIIIIIIIIIIIIIIIIII IIIIIIIIIIIIIIIIIIIII II I
Symbol VCC Parameter Min 2.0 0 Max 6.0 Unit V V DC Supply Voltage (Referenced to GND) Vin, Vout TA DC Input Voltage, Output Voltage (Referenced to GND) VCC Operating Temperature Range, All Package Types Input Rise/Fall Time (Figure 1) - 55 0 0 0 + 125
_C
ns
tr, tf
VCC = 2.0 V VCC = 4.5 V VCC = 6.0 V
No Limit* No Limit* No Limit*
*When Vin = 50% VCC, ICC > 1mA
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MC74HC14A
DC CHARACTERISTICS (Voltages Referenced to GND)
VCC V 2.0 3.0 4.5 6.0 2.0 3.0 4.5 6.0 2.0 3.0 4.5 6.0 2.0 3.0 4.5 6.0 2.0 3.0 4.5 6.0 2.0 3.0 4.5 6.0 2.0 4.5 6.0 |Iout| 2.4mA |Iout| 4.0mA |Iout| 5.2mA 3.0 4.5 6.0 2.0 4.5 6.0 |Iout| 2.4mA |Iout| 4.0mA |Iout| 5.2mA 3.0 4.5 6.0 6.0 6.0 Guaranteed Limit -55 to 25C 1.50 2.15 3.15 4.20 1.0 1.5 2.3 3.0 0.9 1.4 2.0 2.6 0.3 0.5 0.9 1.2 1.20 1.65 2.25 3.00 0.20 0.25 0.40 0.50 1.9 4.4 5.9 2.48 3.98 5.48 0.1 0.1 0.1 0.26 0.26 0.26 0.1 1.0 85C 1.50 2.15 3.15 4.20 0.95 1.45 2.25 2.95 0.95 1.45 2.05 2.65 0.3 0.5 0.9 1.2 1.20 1.65 2.25 3.00 0.20 0.25 0.40 0.50 1.9 4.4 5.9 2.34 3.84 5.34 0.1 0.1 0.1 0.33 0.33 0.33 1.0 10 125C 1.50 2.15 3.15 4.20 0.95 1.45 2.25 2.95 0.95 1.45 2.05 2.65 0.3 0.5 0.9 1.2 1.20 1.65 2.25 3.00 0.20 0.25 0.40 0.50 1.9 4.4 5.9 2.20 3.70 5.20 0.1 0.1 0.1 0.40 0.40 0.40 1.0 40 A A V Unit V
Symbol VT+ max
Parameter Maximum Positive-Going Input Threshold Voltage (Figure 3) Minimum Positive-Going Input Threshold Voltage (Figure 3) Maximum Negative-Going Input Threshold Voltage (Figure 3) Minimum Negative-Going Input Threshold Voltage (Figure 3) Maximum Hysteresis Voltage (Figure 3)
Condition Vout = 0.1V |Iout| 20A
VT+ min
Vout = 0.1V |Iout| 20A
V
VT- max
Vout = VCC - 0.1V |Iout| 20A
V
VT- min
Vout = VCC - 0.1V |Iout| 20A
V
VHmax Note 2
Vout = 0.1V or VCC - 0.1V |Iout| 20A
V
VHmin Note 2
Minimum Hysteresis Voltage (Figure 3)
Vout = 0.1V or VCC - 0.1V |Iout| 20A
V
VOH
Minimum High-Level Output Voltage
Vin VT- min |Iout| 20A Vin VT- min
V
VOL
Maximum Low-Level Output Voltage
Vin VT+ max |Iout| 20A Vin VT+ max
Iin ICC
Maximum Input Leakage Current Maximum Quiescent Supply Current (per Package)
Vin = VCC or GND Vin = VCC or GND Iout = 0A
1. Information on typical parametric values along with frequency or heavy load considerations can be found in Chapter 2 of the Motorola High-Speed CMOS Data Book (DL129/D). 2. VHmin > (VT+ min) - (VT- max); VHmax = (VT+ max) - (VT- min).
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MC74HC14A
AC CHARACTERISTICS (CL = 50pF, Input tr = tf = 6ns)
Symbol tPLH, tPHL Parameter Maximum Propagation Delay, Input A or B to Output Y (Figures 1 and 2) VCC V 2.0 3.0 4.5 6.0 2.0 3.0 4.5 6.0 Guaranteed Limit -55 to 25C 75 30 15 13 75 27 15 13 85C 95 40 19 16 95 32 19 16 125C 110 55 22 19 110 36 22 19 Unit ns
tTLH, tTHL
Maximum Output Transition Time, Any Output (Figures 1 and 2)
ns
Cin Maximum Input Capacitance 10 10 10 pF NOTE: For propagation delays with loads other than 50 pF, and information on typical parametric values, see Chapter 2 of the Motorola High-Speed CMOS Data Book (DL129/D). Typical @ 25C, VCC = 5.0 V CPD Power Dissipation Capacitance (Per Inverter)* 22 pF * Used to determine the no-load dynamic power consumption: P D = C PD V CC 2 f + I CC V CC . For load considerations, see Chapter 2 of the Motorola High-Speed CMOS Data Book (DL129/D). tf 90% 50% 10% tPLH 90% OUTPUT Y 50% 10% tTLH tTHL tPHL tr VCC
INPUT A
GND
Figure 1. Switching Waveforms
TEST POINT OUTPUT DEVICE UNDER TEST CL*
*Includes all probe and jig capacitance
Figure 2. Test Circuit
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MC74HC14A
VT , TYPICAL INPUT THRESHOLD VOLTAGE (VOLTS 4
3 (VT+) VHtyp
2 (VT-)
1
2
3 4 5 VCC, POWER SUPPLY VOLTAGE (VOLTS) VHtyp = (VT+ typ) - (VT- typ)
6
Figure 3. Typical Input Threshold, VT+, VT- versus Power Supply Voltage
A
Y
(a) A Schmitt-Trigger Squares Up Inputs With Slow Rise and Fall Times VH Vin VCC VT+ VT- GND VOH Vout VOL Vout Vin VH
(b) A Schmitt-Trigger Offers Maximum Noise Immunity VCC VT+ VT- GND VOH
VOL
Figure 4. Typical Schmitt-Trigger Applications
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MC74HC14A
PACKAGE DIMENSIONS
PDIP-14 N SUFFIX CASE 646-06 ISSUE L
14 8
B
1 7
NOTES: 1. LEADS WITHIN 0.13 (0.005) RADIUS OF TRUE POSITION AT SEATING PLANE AT MAXIMUM MATERIAL CONDITION. 2. DIMENSION L TO CENTER OF LEADS WHEN FORMED PARALLEL. 3. DIMENSION B DOES NOT INCLUDE MOLD FLASH. 4. ROUNDED CORNERS OPTIONAL. DIM A B C D F G H J K L M N INCHES MIN MAX 0.715 0.770 0.240 0.260 0.145 0.185 0.015 0.021 0.040 0.070 0.100 BSC 0.052 0.095 0.008 0.015 0.115 0.135 0.300 BSC 0_ 10_ 0.015 0.039 MILLIMETERS MIN MAX 18.16 19.56 6.10 6.60 3.69 4.69 0.38 0.53 1.02 1.78 2.54 BSC 1.32 2.41 0.20 0.38 2.92 3.43 7.62 BSC 0_ 10_ 0.39 1.01
A F C N H G D
SEATING PLANE
L
J K M
SOIC-14 D SUFFIX CASE 751A-03 ISSUE F
-A-
14 8 NOTES: 1. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. 2. CONTROLLING DIMENSION: MILLIMETER. 3. DIMENSIONS A AND B DO NOT INCLUDE MOLD PROTRUSION. 4. MAXIMUM MOLD PROTRUSION 0.15 (0.006) PER SIDE. 5. DIMENSION D DOES NOT INCLUDE DAMBAR PROTRUSION. ALLOWABLE DAMBAR PROTRUSION SHALL BE 0.127 (0.005) TOTAL IN EXCESS OF THE D DIMENSION AT MAXIMUM MATERIAL CONDITION.
-B-
1 7
P 7 PL 0.25 (0.010)
M
B
M
G C
R X 45 _
F
-T-
SEATING PLANE
D 14 PL 0.25 (0.010)
K
M
M
S
J
TB
A
S
DIM A B C D F G J K M P R
MILLIMETERS MIN MAX 8.55 8.75 3.80 4.00 1.35 1.75 0.35 0.49 0.40 1.25 1.27 BSC 0.19 0.25 0.10 0.25 0_ 7_ 5.80 6.20 0.25 0.50
INCHES MIN MAX 0.337 0.344 0.150 0.157 0.054 0.068 0.014 0.019 0.016 0.049 0.050 BSC 0.008 0.009 0.004 0.009 0_ 7_ 0.228 0.244 0.010 0.019
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MC74HC14A
PACKAGE DIMENSIONS
TSSOP-14 DT SUFFIX CASE 948G-01 ISSUE O
14X K REF NOTES: 1. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. 2. CONTROLLING DIMENSION: MILLIMETER. 3. DIMENSION A DOES NOT INCLUDE MOLD FLASH, PROTRUSIONS OR GATE BURRS. MOLD FLASH OR GATE BURRS SHALL NOT EXCEED 0.15 (0.006) PER SIDE. 4. DIMENSION B DOES NOT INCLUDE INTERLEAD FLASH OR PROTRUSION. INTERLEAD FLASH OR PROTRUSION SHALL NOT EXCEED 0.25 (0.010) PER SIDE. 5. DIMENSION K DOES NOT INCLUDE DAMBAR PROTRUSION. ALLOWABLE DAMBAR PROTRUSION SHALL BE 0.08 (0.003) TOTAL IN EXCESS OF THE K DIMENSION AT MAXIMUM MATERIAL CONDITION. 6. TERMINAL NUMBERS ARE SHOWN FOR REFERENCE ONLY. 7. DIMENSION A AND B ARE TO BE DETERMINED AT DATUM PLANE -W-. DIM A B C D F G H J J1 K K1 L M MILLIMETERS MIN MAX 4.90 5.10 4.30 4.50 --- 1.20 0.05 0.15 0.50 0.75 0.65 BSC 0.50 0.60 0.09 0.20 0.09 0.16 0.19 0.30 0.19 0.25 6.40 BSC 0_ 8_ INCHES MIN MAX 0.193 0.200 0.169 0.177 --- 0.047 0.002 0.006 0.020 0.030 0.026 BSC 0.020 0.024 0.004 0.008 0.004 0.006 0.007 0.012 0.007 0.010 0.252 BSC 0_ 8_
0.10 (0.004) 0.15 (0.006) T U
S
M
TU
S
V
S
N
2X
L/2
14
8
0.25 (0.010) M
L
PIN 1 IDENT. 1 7
B -U-
N F DETAIL E K K1 J J1
0.15 (0.006) T U
S
SECTION N-N -W-
C 0.10 (0.004) -T- SEATING
PLANE
D
G
H
DETAIL E
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EE CC EE CC
A -V-
MC74HC14A
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MC74HC14A/D

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