

Overview
The SN74HC02D is a logic Gate made by Texas Instruments in a SOIC-14 package with 14 pins. -40℃~+85℃ 1.5V~4.2V 1.9V、4.4V、5.9V 100mV 15ns@6V,50pF 2 2V~6V 2uA 4 4mA 5.2mA 500mV~1.8V 74HC Series NOR Gate SOIC-14 Logic Gates ROHS.
PCBKit's library has its KiCad symbol (74xx:74HC02, from KiCad's library) and its footprint (Package_SO:SOIC-14_3.9x8.7mm_P1.27mm, from KiCad's library), ready for a KiCad board. 125 are in stock at JLCPCB (part C350559). 4 open-source boards in 3 repositories on GitHub use it.
Symbol
Footprint
From the datasheet
12- Supply, least
- 2 V · VCC, recommended operating min · p. 4
- Supply, most
- 6 V · VCC, recommended operating max · p. 4
- Supply, absolute maximum
- 7 V · VCC, absolute max · p. 4
- Works from
- -40 °C · Operating temperature min · p. 1
- Works up to
- 85 °C · Operating temperature max · p. 1
- Junction, hottest
- 150 °C · Junction temperature absolute max · p. 4
- Takes working
- 20 µA · VCC supply current max, 6 V, inputs at VCC or 0, −40°C to 85°C · p. 5
- A pin gives at most
- 25 mA · Continuous output source or sink current absolute max · p. 4
- Junction to air (D (SOIC))
- 94 K/W · Junction-to-ambient thermal resistance · p. 5
- Junction to case (D (SOIC))
- 53.2 K/W · Junction-to-case top thermal resistance · p. 5
- Junction to board (D (SOIC))
- 48.7 K/W · Junction-to-board thermal resistance · p. 5
- Edge
- 6 ns · Output transition time typical, VCC = 6 V, TA = 25°C · p. 6
What it is and has
4- Logic gates
- Four independent 2-input NOR gates · p. 9
- Inputs
- Buffered · p. 1
- Fanout
- Up to 10 LSTTL loads · p. 1
- Package
- SOIC (14), 8.65 mm × 3.90 mm nominal body · p. 1
Around it
3- cap 0.1-μF
- between VCC and GND; Bypass capacitor at each VCC terminal, placed as close to the power terminal as possible. · p. 14
- cap 1-μF
- between VCC and GND; Commonly used in parallel with the 0.1-uF bypass capacitor to reject different noise frequencies. · p. 14
- res 10-kΩ
- between Input and VCC or GND; Pull-up or pull-down for an input that is not actively driven at all times. · p. 9
Specifications
64| Parameter | Conditions | As printed | Page |
|---|---|---|---|
| Supply voltage VCC | Over operating free-air temperature range | min -0.5 · max 7 V | 4 |
| Input clamp current(2) IIK | VI < 0 V or VI > VCC; limit stated as ±20 mA | max 20 mA | 4 |
| Output clamp current(2) IOK | VO < 0 V or VO > VCC; limit stated as ±20 mA | max 20 mA | 4 |
| Continuous output current IO | VO = 0 to VCC; limit stated as ±25 mA | max 25 mA | 4 |
| Continuous current through VCC or GND | Limit stated as ±50 mA | max 50 mA | 4 |
| Junction temperature(3) TJ | Guaranteed by design | max 150 °C | 4 |
| Storage temperature Tstg | min -65 · max 150 °C | 4 | |
| Electrostatic discharge V(ESD) | Human-body model (HBM), per ANSI/ESDA/JEDEC JS-001; value stated as ±1500 V | max 1500 V | 4 |
| Electrostatic discharge V(ESD) | Charged-device model (CDM), per JEDEC specification JESD22-C101; value stated as ±2000 V | max 2000 V | 4 |
| Supply voltage VCC | Nominal supply voltage is 5 V | min 2 · max 6 V | 4 |
| High-level input voltage VIH | VCC = 2 V | min 1.5 V | 4 |
| High-level input voltage VIH | VCC = 4.5 V | min 3.15 V | 4 |
| High-level input voltage VIH | VCC = 6 V | min 4.2 V | 4 |
| Low-level input voltage VIL | VCC = 2 V | max 0.5 V | 4 |
| Low-level input voltage VIL | VCC = 4.5 V | max 1.35 V | 4 |
| Low-level input voltage VIL | VCC = 6 V | max 1.8 V | 4 |
| Input voltage VI | Maximum is VCC | min 0 V | 4 |
| Output voltage VO | Maximum is VCC | min 0 V | 4 |
| Input transition rise and fall time tt | VCC = 2 V | max 1000 ns | 4 |
| Input transition rise and fall time tt | VCC = 4.5 V | max 500 ns | 4 |
| Input transition rise and fall time tt | VCC = 6 V | max 400 ns | 4 |
| Junction-to-ambient thermal resistance RθJA | D (SOIC), 14 pins | typ 94 °C/W | 5 |
| Junction-to-case (top) thermal resistance RθJC(top) | D (SOIC), 14 pins | typ 53.2 °C/W | 5 |
| Junction-to-board thermal resistance RθJB | D (SOIC), 14 pins | typ 48.7 °C/W | 5 |
| Junction-to-top characterization parameter ΨJT | D (SOIC), 14 pins | typ 15.6 °C/W | 5 |
| Junction-to-board characterization parameter ΨJB | D (SOIC), 14 pins | typ 48.4 °C/W | 5 |
| High-level output voltage VOH | VI = VIH or VIL; IOH = -20 uA; VCC = 2 V; TA = 25°C | min 1.9 · typ 1.998 V | 5 |
| High-level output voltage VOH | VI = VIH or VIL; IOH = -20 uA; VCC = 2 V; TA = -40°C to 85°C | min 1.9 V | 5 |
| High-level output voltage VOH | VI = VIH or VIL; IOH = -20 uA; VCC = 4.5 V; TA = 25°C | min 4.4 · typ 4.499 V | 5 |
| High-level output voltage VOH | VI = VIH or VIL; IOH = -20 uA; VCC = 4.5 V; TA = -40°C to 85°C | min 4.4 V | 5 |
| High-level output voltage VOH | VI = VIH or VIL; IOH = -20 uA; VCC = 6 V; TA = 25°C | min 5.9 · typ 5.999 V | 5 |
| High-level output voltage VOH | VI = VIH or VIL; IOH = -20 uA; VCC = 6 V; TA = -40°C to 85°C | min 5.9 V | 5 |
| High-level output voltage VOH | VI = VIH or VIL; IOH = -4 mA; VCC = 4.5 V; TA = 25°C | min 3.98 · typ 4.3 V | 5 |
| High-level output voltage VOH | VI = VIH or VIL; IOH = -4 mA; VCC = 4.5 V; TA = -40°C to 85°C | min 3.84 V | 5 |
| High-level output voltage VOH | VI = VIH or VIL; IOH = -5.2 mA; VCC = 6 V; TA = 25°C | min 5.48 · typ 5.8 V | 5 |
| High-level output voltage VOH | VI = VIH or VIL; IOH = -5.2 mA; VCC = 6 V; TA = -40°C to 85°C | min 5.34 V | 5 |
| Low-level output voltage VOL | VI = VIH or VIL; IOL = 20 uA; VCC = 2 V; TA = 25°C | typ 0.002 · max 0.1 V | 5 |
| Low-level output voltage VOL | VI = VIH or VIL; IOL = 20 uA; VCC = 2 V; TA = -40°C to 85°C | max 0.1 V | 5 |
| Low-level output voltage VOL | VI = VIH or VIL; IOL = 20 uA; VCC = 4.5 V; TA = 25°C | typ 0.001 · max 0.1 V | 5 |
| Low-level output voltage VOL | VI = VIH or VIL; IOL = 20 uA; VCC = 4.5 V; TA = -40°C to 85°C | max 0.1 V | 5 |
| Low-level output voltage VOL | VI = VIH or VIL; IOL = 20 uA; VCC = 6 V; TA = 25°C | typ 0.001 · max 0.1 V | 5 |
| Low-level output voltage VOL | VI = VIH or VIL; IOL = 20 uA; VCC = 6 V; TA = -40°C to 85°C | max 0.1 V | 5 |
| Low-level output voltage VOL | VI = VIH or VIL; IOL = 4 mA; VCC = 4.5 V; TA = 25°C | typ 0.17 · max 0.26 V | 5 |
| Low-level output voltage VOL | VI = VIH or VIL; IOL = 4 mA; VCC = 4.5 V; TA = -40°C to 85°C | max 0.33 V | 5 |
| Low-level output voltage VOL | VI = VIH or VIL; IOL = 5.2 mA; VCC = 6 V; TA = 25°C | typ 0.15 · max 0.26 V | 5 |
| Low-level output voltage VOL | VI = VIH or VIL; IOL = 5.2 mA; VCC = 6 V; TA = -40°C to 85°C | max 0.33 V | 5 |
| Input leakage current II | VI = VCC or 0; VCC = 6 V; TA = 25°C; values stated as ± | typ 0.1 · max 100 nA | 5 |
| Input leakage current II | VI = VCC or 0; VCC = 6 V; TA = -40°C to 85°C; limit stated as ±1000 nA | max 1000 nA | 5 |
| Supply current ICC | VI = VCC or 0; VCC = 6 V; TA = 25°C | max 2 uA | 5 |
| Supply current ICC | VI = VCC or 0; VCC = 6 V; TA = -40°C to 85°C | max 20 uA | 5 |
| Input capacitance Ci | VCC = 2 V to 6 V; TA = 25°C | typ 3 · max 10 pF | 5 |
| Input capacitance Ci | VCC = 2 V to 6 V; TA = -40°C to 85°C | max 10 pF | 5 |
| Propagation delay tpd | A or B to Y; VCC = 2 V; TA = 25°C | typ 45 · max 90 ns | 6 |
| Propagation delay tpd | A or B to Y; VCC = 2 V; TA = –40°C to 85°C | max 115 ns | 6 |
| Propagation delay tpd | A or B to Y; VCC = 4.5 V; TA = 25°C | typ 9 · max 18 ns | 6 |
| Propagation delay tpd | A or B to Y; VCC = 4.5 V; TA = –40°C to 85°C | max 23 ns | 6 |
| Propagation delay tpd | A or B to Y; VCC = 6 V; TA = 25°C | typ 8 · max 15 ns | 6 |
| Propagation delay tpd | A or B to Y; VCC = 6 V; TA = –40°C to 85°C | max 20 ns | 6 |
| Transition-time tt | Output Y; VCC = 2 V; TA = 25°C | typ 38 · max 75 ns | 6 |
| Transition-time tt | Output Y; VCC = 2 V; TA = –40°C to 85°C | max 95 ns | 6 |
| Transition-time tt | Output Y; VCC = 4.5 V; TA = 25°C | typ 8 · max 15 ns | 6 |
| Transition-time tt | Output Y; VCC = 4.5 V; TA = –40°C to 85°C | max 19 ns | 6 |
| Transition-time tt | Output Y; VCC = 6 V; TA = 25°C | typ 6 · max 13 ns | 6 |
| Transition-time tt | Output Y; VCC = 6 V; TA = –40°C to 85°C | max 16 ns | 6 |
Pins, by the datasheet
14- 1 1Y
- Channel 1, Output Y · p. 3
- 2 1A
- Channel 1, Input A · p. 3
- 3 1B
- Channel 1, Input B · p. 3
- 4 2Y
- Channel 2, Output Y · p. 3
- 5 2A
- Channel 2, Input A · p. 3
- 6 2B
- Channel 2, Input B · p. 3
- 7 GND
- Ground · p. 3
- 8 3A
- Channel 3, Input A · p. 3
- 9 3B
- Channel 3, Input B · p. 3
- 10 3Y
- Channel 3, Output Y · p. 3
- 11 4A
- Channel 4, Input A · p. 3
- 12 4B
- Channel 4, Input B · p. 3
- 13 4Y
- Channel 4, Output Y · p. 3
- 14 VCC
- Positive Supply · p. 3
Ordering codes, by the datasheet
12- SN74HC02N
- PDIP (14) · Package quantity 25; -40°C to 85°C · p. 18
- SN74HC02NE4
- PDIP (14) · Package quantity 25; NIPDAU lead finish; -40°C to 85°C · p. 18
- SN74HC02NSR
- SO (14) · Package quantity 2000; -40°C to 85°C · p. 18
- SN74HC02NSRG4
- SO (14) · Package quantity 2000; -40°C to 85°C · p. 18
- SN74HC02PW
- TSSOP (14) · Package quantity 90; -40°C to 85°C · p. 18
- SN74HC02PWG4
- TSSOP (14) · Package quantity 90; -40°C to 85°C · p. 18
- SN74HC02PWR
- TSSOP (14) · Package quantity 2000; NIPDAU or SN lead finish; -40°C to 85°C · p. 18
- SN74HC02PWRG4
- TSSOP (14) · Package quantity 2000; NIPDAU lead finish; -40°C to 85°C · p. 18
- SN74HC02PWT
- TSSOP (14) · Package quantity 250; -40°C to 85°C · p. 18
- SNJ54HC02FK
- LCCC (20) · Package quantity 1; -55°C to 125°C; SNPB lead finish · p. 18
- SNJ54HC02J
- CDIP (14) · Package quantity 1; -55°C to 125°C; SNPB lead finish · p. 18
- SNJ54HC02W
- CFP (14) · Package quantity 1; -55°C to 125°C; SNPB lead finish · p. 18
Parameters
24- Current - Output High(IOH)
- 4mA
- Current - Output Low(IOL)
- 5.2mA
- Current - Supply
- 20uA
- Input Logic Level - High
- 1.5V~4.2V
- Input Logic Level - Low
- 500mV~1.8V
- Input Number
- 2
- Inputs per Gates
- 2
- Junction Temperature(Max)
- 150℃
- Logic Type
- NOR Gate
- Number of Channels
- 4
- Number of Gates
- 4
- Operating Temperature
- -40℃~+85℃
- Output Current per Pin(Max)
- 25mA
- Output Logic Level - High
- 4.4V
- Output Logic Level - Low
- 100mV
- Propagation Delay
- 15ns@6V,50pF
- Quiescent Current
- 2uA
- Rise Time
- 6ns
- Series
- 74HC Series
- Thermal Resistance(Junction to Ambient)
- 94℃/W
- Thermal Resistance(Junction to Board)
- 48.7℃/W
- Thermal Resistance(Junction to Case)
- 53.2℃/W
- Voltage - Supply
- 2V~6V
- Voltage - Supply(Absolute Max)
- 7V
Order codes
4- SN74HC02DLCSC C2860770
- SN74HC02DTLCSC C2866614
- SN74HC02DRLCSC C350559
- SN74HC02DRG4LCSC C6809
Pinout
14| Pin | Name | Type |
|---|---|---|
| 1 | — | Output |
| 2 | — | Input |
| 3 | — | Input |
| 4 | — | Output |
| 5 | — | Input |
| 6 | — | Input |
| 7 | GND | Power in |
| 8 | — | Input |
| 9 | — | Input |
| 10 | — | Output |
| 11 | — | Input |
| 12 | — | Input |
| 13 | — | Output |
| 14 | VCC | Power in |
Open-source boards using it
All 4- 2 layers149.9 × 111.8 mm

- 4 layers150.3 × 132.3 mm

- 4 layers145 × 80 mm

Shunt reversal freerouting source
fl4p/shunt-reversal
MOSFET H-bridge current-reversal switch for shunt thermal-EMF cancellation. Script-generated KiCad. NOT RELEASED - see DESIGN.md section 12.
100 parts - 4 layers145 × 80 mm

Shunt reversal noadc
fl4p/shunt-reversal
MOSFET H-bridge current-reversal switch for shunt thermal-EMF cancellation. Script-generated KiCad. NOT RELEASED - see DESIGN.md section 12.
75 parts
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Is there a KiCad symbol and footprint for the SN74HC02D?
Yes. The symbol is 74xx:74HC02 and the footprint Package_SO:SOIC-14_3.9x8.7mm_P1.27mm, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the SN74HC02D?
SOIC-14, with 14 pins. Its footprint is drawn on this page.
Where is the SN74HC02D datasheet?
Texas Instruments publishes it: the Datasheet link on this page opens it.
Where can I order the SN74HC02D?
JLCPCB lists it as part C350559, with 125 in stock; the sellers' links on this page open their listings.
What can replace the SN74HC02D?
Parts like it in the library: the CD4093BM96 by Texas Instruments, the CD4078BM96 by Texas Instruments, the SN74LS21D by Texas Instruments and the CD4030BM96 by Texas Instruments. Check their datasheets: a part that fits the footprint may still differ in its ratings.
Which open-source boards use the SN74HC02D?
4 boards in 3 repositories on GitHub; the most starred are listed on this page, with their KiCad files.
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