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Product Overview
The CD74HCT193E is a high-speed CMOS 4-bit binary up/down counter from Texas Instruments. It features synchronous counting and asynchronous preset, making it ideal for a wide range of digital counting applications. The device operates from a 4.5V to 5.5V supply and is compatible with TTL logic levels. Packaged in a 16-pin PDIP, it offers robust performance for industrial and consumer electronics.
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) |
2V (min) |
| Low-Level Input Voltage (VIL) |
0.8V (max) |
| High-Level Output Current (IOH) |
-4mA |
| Low-Level Output Current (IOL) |
4mA |
| Propagation Delay (tpd) |
30ns (typ) at 5V |
| Operating Temperature |
-55°C to +125°C |
| Package |
16-PDIP |
Key Features
- 4-bit binary up/down counter
- Synchronous counting with asynchronous preset
- TTL input logic compatibility
- Wide operating voltage range: 4.5V to 5.5V
- High noise immunity: 0.5 VCC (typ)
- Low power consumption: 80µA (max) at 25°C
- Balanced propagation delays
- Standard 16-pin PDIP package
Target Applications
The CD74HCT193E is suitable for various counting and timing applications, including:
- 5G base station control logic
- Automotive dashboard displays
- Industrial automation counters
- Frequency dividers in communication systems
- Digital clocks and timers
- Programmable logic controllers (PLCs)
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
CD74HCT193E. Our core advantages include:
-
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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HK-SZ Synergy, Flexible Settlement: Direct global shipping from
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.
-
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
CD74HCT193E 是德州儀器 (TI) 生產的高速 CMOS 4 位元二進制加減計數器。它具備同步計數和非同步預設功能,適用於多種數位計數應用。器件工作電壓為 4.5V 至 5.5V,與 TTL 邏輯電平相容。採用 16 引腳 PDIP 封裝,性能穩定,適用於工業和消費電子產品。
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) |
2V (最小值) |
| 低電平輸入電壓 (VIL) |
0.8V (最大值) |
| 高電平輸出電流 (IOH) |
-4mA |
| 低電平輸出電流 (IOL) |
4mA |
| 傳播延遲 (tpd) |
30ns (典型值) 在 5V |
| 工作溫度 |
-55°C 至 +125°C |
| 封裝 |
16-PDIP |
核心特性
- 4 位元二進制加減計數器
- 同步計數,非同步預設
- TTL 輸入邏輯相容
- 寬工作電壓範圍:4.5V 至 5.5V
- 高抗雜訊能力:0.5 VCC (典型值)
- 低功耗:80µA (最大值) 在 25°C
- 平衡的傳播延遲
- 標準 16 引腳 PDIP 封裝
典型應用場景
CD74HCT193E 適用於多種計數和定時應用,包括:
- 5G 基站控制邏輯
- 汽車儀表板顯示
- 工業自動化計數器
- 通訊系統中的分頻器
- 數位時鐘和計時器
- 可程式邏輯控制器 (PLC)
環球供應鏈與批發合作夥伴方案
在 Jasin Chip,我們為 CD74HCT193E 提供全面的供應鏈與批發解決方案。
我們的核心優勢包括:
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全天候環球客戶支援:專業團隊為您提供即時報價及技術支援,無需漫長等待。
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現貨庫存,即日發貨:確保現貨充足。下午 4 點前確認訂單,即可安排當天寄出。
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Jasin Chip 承諾所有出貨產品均為原廠正貨,具備完善的品質保證及產品可追溯性。
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原廠封裝保護:嚴格保留原廠原始包裝及封條,確保物流過程中的靜電防護 (ESD) 與物理安全。
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