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MFG:ST Package Cooled:SOP
Part Number: 74LVX238
MFG: ST
Package Cooled: SOP
Description: The 74LVX238 is a low voltage CMOS 3 TO 8 LINE DECODER fabricated with sub-micron silicon gate and dou...
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74LVX238
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DataSheet
General Description
74LVX238 General Description
The 74LVX238 is a low voltage CMOS 3 TO 8 LINE DECODER fabricated with sub-micron silicon gate and double-layer metal wiring C2MOS technology. It is ideal for low power, battery operated and low noise 3.3V applications. If the device is enabled, 3 binary select (A, B, and C) determine which one of the outputs will go high. If enable input G1 is held low or either G2A or G2B is held high, the decoding function is inhibited and all the 8 outputs go low. Tree enable inputs are provided to ease cascade connection and application of address decoders for memory systems. Power down protection is provided on all inputs 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 system. It combines high speed performance with the true CMOS low power consumption.
All inputs and outputs are equipped with protection circuits against static discharge, giving them 2KV ESD immunity and transient excess voltage.
74LVX238 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 | -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 | °C |
| TL | Lead Temperature (10 sec) | 300 | °C |
74LVX238 Features
HIGH SPEED : tPD = 5.5ns (TYP.) at VCC = 3.3V
5V TOLERANT INPUTS
INPUT VOLTAGE LEVEL : VIL=0.8V, VIH=2V at VCC=3V
LOW POWER DISSIPATION: ICC = 2 mA (MAX.) at TA=25°C
LOW NOISE: VOLP = 0.3V (TYP.) at VCC = 3.3V
SYMMETRICAL OUTPUT IMPEDANCE: |IOH| = IOL = 4mA (MIN)
VBALANCED PROPAGATION DELAYS: tPLH @ tPHL
OPERATING VOLTAGE RANGE: VCC(OPR) = 2V to 3.6V (1.2V Data Retention)
PIN AND FUNCTION COMPATIBLE WITH 74 SERIES 138
IMPROVED LATCH-UP IMMUNITY
POWER DOWN PROTECTION ON INPUTS
5V TOLERANT INPUTS
INPUT VOLTAGE LEVEL : VIL=0.8V, VIH=2V at VCC=3V
LOW POWER DISSIPATION: ICC = 2 mA (MAX.) at TA=25°C
LOW NOISE: VOLP = 0.3V (TYP.) at VCC = 3.3V
SYMMETRICAL OUTPUT IMPEDANCE: |IOH| = IOL = 4mA (MIN)
VBALANCED PROPAGATION DELAYS: tPLH @ tPHL
OPERATING VOLTAGE RANGE: VCC(OPR) = 2V to 3.6V (1.2V Data Retention)
PIN AND FUNCTION COMPATIBLE WITH 74 SERIES 138
IMPROVED LATCH-UP IMMUNITY
POWER DOWN PROTECTION ON INPUTS
74LVX238 Connection Diagram
74LVX238
PDF/DataSheet Download
- Datasheet: 74LVX238
- File Size: 174669 KB
- Manufacturer: STMICROELECTRONICS [STMicroelectronics]
- Click here to Download
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