7402 – 7402 Quad 2-Input NOR Gate Datasheet
Features
- Four Independent 2-Input NOR Gates
- Outputs Directly Interface to CMOS, NMOS and TTL
- Large Operating Voltage Range
- Wide Operating Conditions
- IC Name: 74LS02
- Package/Case: DIP-14
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7402 Quad 2-input NOR Gate
The 74LS02 provides high-speed performance and is used in a variety of digital logic circuits where NOR gates are needed. Its low power consumption and fast switching make it suitable for many digital applications.
EGP14.00
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Pin Layout
| Pin Number | Description |
|---|---|
| 1 | Y Output Gate 1 |
| 2 | A Input Gate 1 |
| 3 | B Input Gate 1 |
| 4 | Y Output Gate 2 |
| 5 | A Input Gate 2 |
| 6 | B Input Gate 2 |
| 7 | Ground |
| 8 | A Input Gate 3 |
| 9 | B Input Gate 3 |
| 10 | Y Output Gate 3 |
| 11 | A Input Gate 4 |
| 12 | B Input Gate 4 |
| 13 | Y Output Gate 4 |
| 14 | Vcc – Positive Supply |
Technical Data
Absolute Maximum Ratings
| Supply Voltage | 7V |
| Input Voltage | 5.5V |
| Operating Free Air Temperature | 0°C to +70°C |
| Storage Temperature Range | -65°C to +150°C |
Recommended Operating Conditions
| Symbol | Parameter | Min | Typ | Max | Units |
|---|---|---|---|---|---|
| Vcc | Supply Voltage | 4.75 | 5 | 5.25 | V |
| Vih | HIGH Level Input Voltage | 2 | V | ||
| Vil | LOW Level Input Voltage | 0.8 | V | ||
| Ioh | HIGH Level Output Current | -0.4 | mA | ||
| Iol | LOW Level Output Current | 16 | mA | ||
| Ta | Free Air Operating Temperature | 0 | 70 | °C |
Electrical Characteristics
| Symbol | Parameter | Conditions | Min | Typ | Max | Units |
|---|---|---|---|---|---|---|
| Vi | Input Clamp Voltage | Vcc=Min Ii=-12mA | -1.5 | V | ||
| Voh | HIGH Level Output Voltage | Vcc=Min Ioh=MAX Vil=MAX | 2.4 | 3.4 | V | |
| Vol | LOW Level Output Voltage | Vcc=Min Iol=MAX Vih=MAX | 0.2 | 0.4 | V | |
| Ii | Input Current@MAX Input Voltage | Vcc=Max Vi=5.5V | 1 | mA | ||
| Iih | HIGH Level Input Current | Vcc=Max Vi=2.4V | 40 | µA | ||
| Iil | LOW Level Input Current | Vcc=Max Vi=0.4V | -1.6 | mA | ||
| Ios | Short Circuit Output Current | Vcc=Max | -18 | -55 | mA | |
| Icch | Supply Current with Outputs HIGH | Vcc=Max | 4 | 8 | mA | |
| Iccl | Supply Current with Outputs LOW | Vcc=Max | 12 | 22 | mA |
Switching Characteristics at Vcc=5V,Ta=25°C
| Symbol | Parameter | Conditions | Min | Typ | Max | Units |
|---|---|---|---|---|---|---|
| tplh | Propagation Delay Time LOW-to-HIGH Level Output | Cl=15pF Rl=400R | 22 | nS | ||
| tphl | Propagation Delay Time HIGH-to-LOW Level Output | Cl=15pF Rl=400R | 15 | nS |
Dimensional Drawing
Datasheet
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Specification
| Supply Voltage |
7V |
|---|---|
| Input Voltage |
5.5V |
| Operating Free Air Temperature |
0°C to +70°C |
| Storage Temperature Range |
-65°C to +150°C |
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