SN74AHCT138-EP_TI 增强型产品 3 线至 8 线解码器/多路信号分离器

制造厂商：TI
产品类别：逻辑和电压转换
技术类目：专用逻辑 IC - 数字多路信号分离器和解码器
功能描述：增强型产品 3 线至 8 线解码器/多路信号分离器
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SN74AHCT138-EP的产品详情：

The SN74AHCT138 3-line to 8-line decoder/demultiplexer is designed to be used in high-performance memory-decoding and data-routing applications that require very short propagation-delay times. In high-performance memory systems, this decoder can be used to minimize the effects of system decoding. When employed with high-speed memories utilizing a fast enable circuit, the 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 and one active-high enable inputs 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.

SN74AHCT138-EP的优势和特性：

Controlled Baseline
- One Assembly/Test Site, One Fabrication Site
Extended Temperature Performance of –55°C to 125°C
Enhanced Diminishing Manufacturing Sources (DMS) Support
Enhanced Product-Change Notification
Qualification Pedigree
EPIC? (Enhanced-Performance Implanted CMOS) Process
Inputs Are TTL-Voltage Compatible
Designed Specifically for High-Speed Memory Decoders and Data-Transmission Systems
Incorporates Three Enable Inputs to Simplify Cascading and/or Data Reception
Latch-Up Performance Exceeds 250 mA Per JESD 17
ESD Protection Exceeds 2000 V Per MIL-STD-833, Method 3015; Exceeds 200 V Using Machine Model (C = 200 pF, R = 0)

Component qualification in accordance with JEDEC and industry standards to ensure reliable operation over an extended temperature range. This includes, but is not limited to, Highly Accelerated Stress Test (HAST) or biased 85/85, temperature cycle, autoclave or unbiased HAST, electromigration, bond intermetallic life, and mold compound life. Such qualification testing should not be viewed as justifying use of this component beyond specified performance and environmental limits. EPIC is a trademark of Texas Instruments.

SN74AHCT138-EP的参数（英文）：

Technology Family
AHCT
Number of channels (#)
1
Operating temperature range (C)
-55 to 125
Rating
HiRel Enhanced Product
ICC (Max) (uA)
40

SN74AHCT138-EP具体的完整产品型号参数及价格（美元）：

SN74AHCT138-EP的完整型号有：SN74AHCT138MDREP、SN74AHCT138MPWREP、V62/03655-01XE、V62/03655-01YE，以下是这些产品的关键参数及官网采购报价：

SN74AHCT138MDREP，工作温度：-55 to 125，封装：SOIC (D)-16，包装数量MPQ：2500个，MSL 等级/回流焊峰值温度：Level-1-260C-UNLIM，引脚镀层/焊球材料：NIPDAU，TI官网SN74AHCT138MDREP的批量USD价格：0.637（1000+）

SN74AHCT138MPWREP，工作温度：-55 to 125，封装：TSSOP (PW)-16，包装数量MPQ：2000个，MSL 等级/回流焊峰值温度：Level-1-260C-UNLIM，引脚镀层/焊球材料：NIPDAU，TI官网SN74AHCT138MPWREP的批量USD价格：0.637（1000+）

V62/03655-01XE，工作温度：-55 to 125，封装：TSSOP (PW)-16，包装数量MPQ：2000个，MSL 等级/回流焊峰值温度：Level-1-260C-UNLIM，引脚镀层/焊球材料：NIPDAU，TI官网V62/03655-01XE的批量USD价格：0.637（1000+）

V62/03655-01YE，工作温度：-55 to 125，封装：SOIC (D)-16，包装数量MPQ：2500个，MSL 等级/回流焊峰值温度：Level-1-260C-UNLIM，引脚镀层/焊球材料：NIPDAU，TI官网V62/03655-01YE的批量USD价格：0.637（1000+）

SN74AHCT138-EP的评估套件：

SN74AHCT138-EP的电路图解：

SN74AHCT138-EP的评估套件：