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Product Overview
The M74HCT244RM13TR is a high-speed CMOS octal buffer/line driver manufactured by STMicroelectronics. It is designed for 5V applications and features non-inverting outputs with three-state capability. The device is ideal for driving bus lines or buffering memory address registers. Its 20-SO package ensures compact design for space-constrained applications.
Detailed Technical Specifications
| Parameter |
Value |
| Supply Voltage (VCC) |
4.5V to 5.5V |
| Input Voltage (VI) |
0V to VCC |
| Output Voltage (VO) |
0V to VCC |
| High-Level Input Voltage (VIH) |
2.0V (min) |
| Low-Level Input Voltage (VIL) |
0.8V (max) |
| High-Level Output Current (IOH) |
-6 mA |
| Low-Level Output Current (IOL) |
6 mA |
| Propagation Delay (tPLH/tPHL) |
14 ns (typ) at VCC=5V, CL=50pF |
| Operating Temperature |
-40°C to +125°C |
| Package |
20-SO (SOP-20) |
Key Features
- High-speed: tPD = 14 ns (typ) at 5V
- Low power dissipation: ICC = 4 μA (max) at TA=25°C
- Compatible with TTL levels
- Symmetrical output impedance: |IOH| = IOL = 6 mA
- Balanced propagation delays: tPLH ≅ tPHL
- Operating voltage range: 4.5V to 5.5V
- Three-state outputs for bus-oriented applications
- ESD protection: 2 kV HBM
Target Applications
- 5G base station control logic buffering
- Automotive dashboard display drivers
- Industrial PLC I/O modules
- Memory address register buffering
- Bus line driving in telecom equipment
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
M74HCT244RM13TR. Our core advantages include:
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24/7 Global Customer Support: Professional team providing instant
quotes and technical support worldwide.
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In-stock Inventory, Same-day Shipping: We maintain localized stock;
orders confirmed before 4 PM are shipped the same day.
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Shenzhen with support for HK bank transfers and multi-currency.
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Escrow Secured Transactions: We support Escrow.com for secure
transactions, ensuring peace of mind for batch orders.
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BOM Kitting & Sampling Services: Specialized sourcing for
testing samples and urgent shortage components.
Quality Assurance & Compliance
Jasin Chip guarantees that all delivered products are 100% original factory stock
with full quality assurance and traceability.
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100% Original & Authentic: All components are guaranteed to
be authentic with strict quality control.
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RoHS Compliant: All electronic components comply with international
environmental and safety standards.
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Original Factory Packaging: We maintain original factory packaging
and seals to ensure ESD protection and physical integrity.
產品概述
M74HCT244RM13TR 是意法半導體生產的高速CMOS八路緩衝器/線路驅動器,專為5V應用設計,具有同相輸出和三態功能。該器件非常適合驅動總線或緩衝存儲器地址寄存器。20-SO封裝確保了在空間受限應用中的緊湊設計。
詳細技術參數
| 參數 |
數值 |
| 電源電壓 (VCC) |
4.5V 至 5.5V |
| 輸入電壓 (VI) |
0V 至 VCC |
| 輸出電壓 (VO) |
0V 至 VCC |
| 高電平輸入電壓 (VIH) |
2.0V (最小值) |
| 低電平輸入電壓 (VIL) |
0.8V (最大值) |
| 高電平輸出電流 (IOH) |
-6 mA |
| 低電平輸出電流 (IOL) |
6 mA |
| 傳播延遲 (tPLH/tPHL) |
14 ns (典型值) 在 VCC=5V, CL=50pF |
| 工作溫度 |
-40°C 至 +125°C |
| 封裝 |
20-SO (SOP-20) |
核心特性
- 高速:tPD = 14 ns (典型值) 在 5V
- 低功耗:ICC = 4 μA (最大值) 在 TA=25°C
- 兼容TTL電平
- 對稱輸出阻抗:|IOH| = IOL = 6 mA
- 平衡傳播延遲:tPLH ≅ tPHL
- 工作電壓範圍:4.5V 至 5.5V
- 三態輸出,適用於總線應用
- ESD保護:2 kV HBM
典型應用場景
- 5G基站控制邏輯緩衝
- 汽車儀表顯示驅動器
- 工業PLC I/O模塊
- 存儲器地址寄存器緩衝
- 電信設備總線驅動
環球供應鏈與批發合作夥伴方案
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