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Part Number: 74VHCT20A
Description: The 74VHCT20A is an advanced high-speed CMOS DUAL 4-INPUT NAND GATE fabricated with sub-micron silicon...
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74VHCT20A
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DataSheet
General Description
74VHCT20A General Description
The 74VHCT20A is an advanced high-speed CMOS DUAL 4-INPUT NAND GATE fabricated with sub-micron silicon gate and double-layer metal wiring C2MOS technology.
The internal circuit is composed of 3 stages including buffer output, which provides high noise immunity and stable output.
Power down protection is provided on all inputs and outputs and 0 to 7V can be accepted on inputs with no regard to the supply voltage. This device can be used to interface 5V to 3V since all inputs are equipped with TTL threshold.
All inputs and outputs are equipped with protection circuits against static discharge, giving them 2KV ESD immunity and transient excess voltage.
74VHCT20A Maximum Ratings
|
Symbol |
Parameter |
Value |
Unit |
|
VCC |
Supply Voltage |
-0.5 to +7.0 |
V |
|
VI |
DC Input Voltage |
-0.5 to +7.0 |
V |
|
VO |
DC Output Voltage (see note 1) |
-0.5 to +7.0 |
V |
|
VO |
DC Output Voltage (see note 2) |
-0.5 to VCC + 0.5 |
V |
|
IIK |
DC Input Diode Current |
- 20 |
mA |
|
IOK |
DC Output Diode Current |
± 20 |
mA |
|
IO |
DC Output Current |
±25 |
mA |
|
ICC or IGND |
DC VCC or Ground Current |
±50 |
mA |
|
Tstg |
Storage Temperature |
-65 to +150 |
|
|
TL |
Lead Temperature (10 sec) |
300 |
operation under these conditions is not implied
1) VCC = 0V
2) High or Low State
74VHCT20A Features
` HIGH SPEED: tPD = 5 ns (TYP.) at VCC = 5V
` LOW POWER DISSIPATION: ICC = 2 A (MAX.) at TA=25
` COMPATIBLE WITH TTL OUTPUTS: VIH = 2V (MIN.), VIL = 0.8V (MAX)
` POWER DOWN PROTECTION ON INPUTS & OUTPUTS
` SYMMETRICAL OUTPUT IMPEDANCE: |IOH| = IOL = 8 mA (MIN)
` BALANCED PROPAGATION DELAYS: tPLH tPHL
` OPERATING VOLTAGE RANGE: VCC(OPR) = 4.5V to 5.5V
` PIN AND FUNCTION COMPATIBLE WITH 74 SERIES 20
` IMPROVED LATCH-UP IMMUNITY
` LOW POWER DISSIPATION: ICC = 2 A (MAX.) at TA=25
` COMPATIBLE WITH TTL OUTPUTS: VIH = 2V (MIN.), VIL = 0.8V (MAX)
` POWER DOWN PROTECTION ON INPUTS & OUTPUTS
` SYMMETRICAL OUTPUT IMPEDANCE: |IOH| = IOL = 8 mA (MIN)
` BALANCED PROPAGATION DELAYS: tPLH tPHL
` OPERATING VOLTAGE RANGE: VCC(OPR) = 4.5V to 5.5V
` PIN AND FUNCTION COMPATIBLE WITH 74 SERIES 20
` IMPROVED LATCH-UP IMMUNITY
74VHCT20A Connection Diagram
74VHCT20A
PDF/DataSheet Download
- Datasheet: 74VHCT20A
- File Size: 150187 KB
- Manufacturer: STMicroelectronics
- Click here to Download
- ·74V1G00
- STMICROELECTRONICS [STMicroelectronics]
- SINGLE 2-INPUT NAND GATE
- 50255 KB
- ·74V1G00C
- STMICROELECTRONICS [STMicroelectronics]
- SINGLE 2-INPUT NAND GATE
- 50255 KB
- ·74V1G00S
- STMICROELECTRONICS [STMicroelectronics]
- SINGLE 2-INPUT NAND GATE
- 50255 KB
- ·74V1G02
- STMICROELECTRONICS [STMicroelectronics]
- SINGLE 2-INPUT NOR GATE
- 50291 KB
- ·74V1G02C
- STMICROELECTRONICS [STMicroelectronics]
- SINGLE 2-INPUT NOR GATE
- 50291 KB
- ·74V1G02S
- STMICROELECTRONICS [STMicroelectronics]
- SINGLE 2-INPUT NOR GATE
- 50291 KB
- ·74V1G03
- STMICROELECTRONICS [STMicroelectronics]
- SINGLE 2-INPUT OPEN DRAIN NAND GATE
- 50926 KB
- ·74V1G03C
- STMICROELECTRONICS [STMicroelectronics]
- SINGLE 2-INPUT OPEN DRAIN NAND GATE
- 50926 KB
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