SN74AHCT244-EP_TI 具有 TTL 兼容型 CMOS 输入的增强型产品 8 通道、4.5V 至 5.5V 缓冲器

制造厂商：TI
产品类别：逻辑和电压转换
技术类目：缓冲器、驱动器和收发器 - 同相缓冲器和驱动器
功能描述：具有 TTL 兼容型 CMOS 输入的增强型产品 8 通道、4.5V 至 5.5V 缓冲器
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SN74AHCT244-EP的产品详情：

This octal buffer/driver is designed specifically to improve both the performance and density of 3-state memory-address drivers, clock drivers, and bus-oriented receivers and transmitters.

The SN74AHCT244 is organized as two 4-bit buffers/line drivers with separate output-enable (OE)\ inputs. When OE\ is low, the device passes data from the A inputs to the Y outputs. When OE\ is high, the outputs are in the high-impedance state.

To ensure the high-impedance state during power up or power down, OE\ should be tied to V_CC through a pullup resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.

SN74AHCT244-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
Latch-Up Performance Exceeds 250 mA Per JESD 17
ESD Protection Exceeds 1000 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.

SN74AHCT244-EP的参数（英文）：

Technology Family
AHCT
Supply voltage (Min) (V)
4.5
Supply voltage (Max) (V)
5.5
Number of channels (#)
8
IOL (Max) (mA)
8
ICC (Max) (uA)
40
IOH (Max) (mA)
-8
Input type
TTL-Compatible CMOS
Output type
Push-Pull
Features
Balanced outputs, Very high speed (tpd 5-10ns), Over-voltage tolerant inputs
Rating
HiRel Enhanced Product

SN74AHCT244-EP具体的完整产品型号参数及价格（美元）：

SN74AHCT244-EP的完整型号有：SN74AHCT244MDWREP、SN74AHCT244MPWREP、V62/03657-01XE、V62/03657-01YE，以下是这些产品的关键参数及官网采购报价：

SN74AHCT244MDWREP，工作温度：-55 to 125，封装：SOIC (DW)-20，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SN74AHCT244MDWREP的批量USD价格：.767（1000+）

SN74AHCT244MPWREP，工作温度：-55 to 125，封装：TSSOP (PW)-20，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SN74AHCT244MPWREP的批量USD价格：.767（1000+）

V62/03657-01XE，工作温度：-55 to 125，封装：TSSOP (PW)-20，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V62/03657-01XE的批量USD价格：.767（1000+）

V62/03657-01YE，工作温度：-55 to 125，封装：SOIC (DW)-20，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V62/03657-01YE的批量USD价格：.767（1000+）

SN74AHCT244-EP的评估套件：

SN74AHCT244-EP的电路图解：

SN74AHCT244-EP的评估套件：