SN74LVC138A-Q1 Series

Automotive Catalog 3-Line To 8-Line decoder/Demultiplexer

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Catalog

Automotive Catalog 3-Line To 8-Line decoder/Demultiplexer

Part	Current - Output High, Low [custom]	Current - Output High, Low [custom]	Operating Temperature [Max]	Operating Temperature [Min]	Independent Circuits	Mounting Type	Circuit	Grade	Type	Voltage Supply Source	Supplier Device Package	Voltage - Supply [Max]	Voltage - Supply [Min]	Qualification	Package / Case [x]	Package / Case	Package / Case [x]	Package / Case
Texas Instruments CLVC138AQPWRG4Q1	24 mA	24 mA	125 °C	-40 °C	1	Surface Mount	1 x 3:8	Automotive	Decoder/Demultiplexer	Single Supply	16-TSSOP	3.6 V	2 V	AEC-Q100	0.173 "	16-TSSOP	4.4 mm
Texas Instruments SN74LVC138AQDRQ1	24 mA	24 mA	125 °C	-40 °C	1	Surface Mount	1 x 3:8	Automotive	Decoder/Demultiplexer	Single Supply	16-SOIC	3.6 V	2 V	AEC-Q100		16-SOIC		0.154 in, 3.9 mm Width
Texas Instruments SN74LVC138AQPWRQ1	24 mA	24 mA	125 °C	-40 °C	1	Surface Mount	1 x 3:8	Automotive	Decoder/Demultiplexer	Single Supply	16-TSSOP	3.6 V	2 V	AEC-Q100	0.173 "	16-TSSOP	4.4 mm

Key Features

• Qualified for Automotive ApplicationsESD Protection Exceeds 2000 V Per MIL-STD-883, Method 3015; Exceeds 200 V Using Machine Model (C = 200 pF, R = 0)Operates From 2 V to 3.6 VInputs Accept Voltages to 5.5 VMax tpdof 5.8 ns at 3.3 VTypical VOLP(Output Ground Bounce)<0.8 V at VCC= 3.3 V, TA= 25°CTypical VOHV(Output VOHUndershoot)>2 V at VCC= 3.3 V, TA= 25°CQualified for Automotive ApplicationsESD Protection Exceeds 2000 V Per MIL-STD-883, Method 3015; Exceeds 200 V Using Machine Model (C = 200 pF, R = 0)Operates From 2 V to 3.6 VInputs Accept Voltages to 5.5 VMax tpdof 5.8 ns at 3.3 VTypical VOLP(Output Ground Bounce)<0.8 V at VCC= 3.3 V, TA= 25°CTypical VOHV(Output VOHUndershoot)>2 V at VCC= 3.3 V, TA= 25°C

Description

The SN74LVC138A 3-line to 8-line decoder/demultiplexer is designed for 2.7-V to 3.6-V VCC operation. The device is designed for high-performance memory-decoding or data-routing applications requiring very short propagation delay times. In high-performance memory systems, this decoder minimizes the effects of system decoding. When employed with high-speed memories utilizing a fast enable circuit, delay times of this decoder 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 decoder is negligible. The conditions at the binary-select inputs and the three enable inputs select one of eight output lines. Two active-low enable inputs and one active-high enable input reduce the need for external gates or inverters when expanding. A 24-line decoder can be implemented without external inverters, and a 32-line decoder requires only one inverter. An enable input can be used as a data input for demultiplexing applications. Inputs can be driven from either 3.3-V or 5-V devices. This feature allows the use of this device as a translator in a mixed 3.3-V/5-V system environment. The SN74LVC138A 3-line to 8-line decoder/demultiplexer is designed for 2.7-V to 3.6-V VCC operation. The device is designed for high-performance memory-decoding or data-routing applications requiring very short propagation delay times. In high-performance memory systems, this decoder minimizes the effects of system decoding. When employed with high-speed memories utilizing a fast enable circuit, delay times of this decoder 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 decoder is negligible. The conditions at the binary-select inputs and the three enable inputs select one of eight output lines. Two active-low enable inputs and one active-high enable input reduce the need for external gates or inverters when expanding. A 24-line decoder can be implemented without external inverters, and a 32-line decoder requires only one inverter. An enable input can be used as a data input for demultiplexing applications. Inputs can be driven from either 3.3-V or 5-V devices. This feature allows the use of this device as a translator in a mixed 3.3-V/5-V system environment.