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74LVX238 Fiches technique(PDF) 1 Page - STMicroelectronics |
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74LVX238 Fiches technique(HTML) 1 Page - STMicroelectronics |
1 / 12 page 1/12 August 2004 s HIGH SPEED: tPD = 5.5ns (TYP.) at VCC = 3.3V s 5V TOLERANT INPUTS s INPUT VOLTAGE LEVEL: VIL=0.8V, VIH=2V at VCC=3V s LOW POWER DISSIPATION: ICC = 2 µA (MAX.) at TA=25°C s LOW NOISE: VOLP = 0.3V (TYP.) at VCC = 3.3V s SYMMETRICAL OUTPUT IMPEDANCE: |IOH| = IOL = 4mA (MIN) s BALANCED PROPAGATION DELAYS: tPLH ≅ tPHL s OPERATING VOLTAGE RANGE: VCC(OPR) = 2V to 3.6V (1.2V Data Retention) s PIN AND FUNCTION COMPATIBLE WITH 74 SERIES 138 s IMPROVED LATCH-UP IMMUNITY s POWER DOWN PROTECTION ON INPUTS 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 LOW VOLTAGE CMOS 3 TO 8 LINE DECODER WITH 5V TOLERANT INPUTS Figure 1: Pin Connection And IEC Logic Symbols Table 1: Order Codes PACKAGE T & R SOP 74LVX238MTR TSSOP 74LVX238TTR TSSOP SOP Rev. 2 |
Numéro de pièce similaire - 74LVX238_04 |
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Description similaire - 74LVX238_04 |
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