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SN74LV139A

PinoutSpecificationsSupply voltage range, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . 0.5 V to 7 VInput voltage range, VI (see Note 1) . . . . . . . . . . . . . . . . . . . . . .. . . . 0.5 V to 7 VVoltage range applied to any output in the high-impedance or power-off st...

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SN74LV139A: PinoutSpecificationsSupply voltage range, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . 0.5 V to 7 VInput voltage range, VI (see Note 1) . . . . . . . . . . . . . . . . . . ...

SN74LV139A Data Sheet

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Part Number:
SN74LV139A
Supply Ability:
5000

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  • 1~5000
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  • 15 Days
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Product Details

Description



Pinout

Connection Diagram Connection Diagram Connection Diagram


Specifications

Supply voltage range, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . 0.5 V to 7 V
Input voltage range, VI (see Note 1) . . . . . . . . . . . . . . . . . . . . . .. . . . 0.5 V to 7 V
Voltage range applied to any output in the high-impedance
    or power-off state, VO (see Note 1) . . . . . . . . . . . . . . . . . . . .. . . . . 0.5 V to 7 V
Output voltage range, VO (see Notes 1 and 2) . . . . . . . . .. . . 0.5 V to VCC + 0.5 V
Input clamp current, IIK (VI < 0) . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . 20 mA
Output clamp current, IOK (VO < 0 or VO > VCC) . . . . . . . . . . . . . .  . . . . . . . ±50 mA
Continuous output current, IO (VO = 0 to VCC) . . . . . . . . . . . . . . .  . . . . . . . ±25 mA
Continuous current through VCC or GND . . . . . . . . . . . . . . . . . . . . .  . . . . . . ±50 mA
Package thermal impedance, JA  (see Note 3): D package . . . . . . . .  . . . . 73°C/W
                                                     (see Note 3): DB package . . . . . . . .. . . . 82°C/W
                                                     (see Note 3): DGV package . . . . ... . . . 120°C/W
                                                     (see Note 3): NS package . . . . . . . . . . . 64°C/W
                                                     (Note 3): PW package . . . . . . . . . . . . . 108°C/W
                                                     (see Note 4): RGY package . . . . . . . . . . 39°C/W
Storage temperature range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . 65°C to 150°C



Description

The 'LV139A devices are dual 2-line to 4-line decoders/demultiplexers designed for 2-V to 5.5-V VCC operation.

These devices LV139A are designed for high-performance memory-decoding or data-routing applications requiring very short propagation delay times. In high-performance memory systems, these decoders can minimize the effects of system decoding. When employed with high-speed memories utilizing a fast enable circuit, the delay time of these decoders and the enable time of the memory usually are less than the typical access time of the memory. This means that the effective system delay introduced by the decoders is negligible.

The 'LV139A devices comprise two individual 2-line to 4-line decoders in a single package. The active-low enable (G ) input can be used as a data line in demultiplexing applications. These decoders/demultiplexers feature fully buffered inputs, each of which represents only one normalized load to its driving circuit.

These devices LV139A are fully specified for partial-power-down applications using Ioff. The Ioff circuitry disables the outputs, preventing damaging current backflow through the devices when they are powered down.




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