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Product Overview
The SN74HC193D from Texas Instruments is a high-speed 4-bit binary up/down counter with asynchronous clear. It is designed for use in a wide range of digital applications requiring counting, frequency division, or timing control. The device operates from 2V to 6V, making it compatible with TTL and CMOS logic families. Housed in a compact 16-SOIC package, it offers a balance of performance and space efficiency.
Detailed Technical Specifications
| Parameter |
Value |
| Supply Voltage (VCC) |
2V to 6V |
| High-Level Input Voltage (VIH) |
3.15V (min) at VCC=4.5V |
| Low-Level Input Voltage (VIL) |
1.35V (max) at VCC=4.5V |
| High-Level Output Voltage (VOH) |
VCC-0.1V (min) at IOH=-20µA |
| Low-Level Output Voltage (VOL) |
0.1V (max) at IOL=20µA |
| Propagation Delay (tpd) |
Typ 13ns at VCC=5V, CL=15pF |
| Maximum Clock Frequency |
36 MHz (typ) at VCC=5V |
| Operating Temperature |
-40°C to +85°C |
| Package |
16-SOIC |
Key Features
- 4-bit binary up/down counter with asynchronous clear
- Wide operating voltage range: 2V to 6V
- High-speed operation: typical clock frequency up to 36 MHz at 5V
- Low power consumption: typical ICC of 4µA
- Asynchronous clear function for immediate reset
- Ripple carry output for cascading multiple counters
- Balanced propagation delays and transition times
- Compatible with TTL and CMOS logic levels
Target Applications
- 5G base station timing and synchronization circuits
- Automotive dashboard display controllers
- Industrial automation counters and timers
- Frequency dividers in communication systems
- Digital clocks and event counters
- Programmable logic controllers (PLCs)
Global Supply Chain & Wholesale Solutions
At Jasin Chip, we provide professional supply chain and wholesale solutions for
SN74HC193D. Our core advantages include:
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24/7 Global Customer Support: Professional team providing instant
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with full quality assurance and traceability.
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be authentic with strict quality control.
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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
SN74HC193D 是德州儀器 (TI) 生產的高速 4 位二進制加/減計數器,具有異步清零功能。它適用於需要計數、分頻或定時控制的各種數字應用。該器件的工作電壓範圍為 2V 至 6V,可與 TTL 和 CMOS 邏輯系列兼容。採用緊湊的 16-SOIC 封裝,在性能和空間效率之間取得了平衡。
詳細技術參數
| 參數 |
數值 |
| 電源電壓 (VCC) |
2V 至 6V |
| 高電平輸入電壓 (VIH) |
VCC=4.5V 時最小值 3.15V |
| 低電平輸入電壓 (VIL) |
VCC=4.5V 時最大值 1.35V |
| 高電平輸出電壓 (VOH) |
IOH=-20µA 時最小值 VCC-0.1V |
| 低電平輸出電壓 (VOL) |
IOL=20µA 時最大值 0.1V |
| 傳播延遲 (tpd) |
VCC=5V, CL=15pF 時典型值 13ns |
| 最大時鐘頻率 |
VCC=5V 時典型值 36 MHz |
| 工作溫度範圍 |
-40°C 至 +85°C |
| 封裝 |
16-SOIC |
核心特性
- 4 位二進制加/減計數器,帶異步清零
- 寬工作電壓範圍:2V 至 6V
- 高速操作:5V 時典型時鐘頻率高達 36 MHz
- 低功耗:典型 ICC 為 4µA
- 異步清零功能,可立即復位
- 級聯多個計數器的紋波進位輸出
- 平衡的傳播延遲和轉換時間
- 兼容 TTL 和 CMOS 邏輯電平
典型應用場景
- 5G 基站定時和同步電路
- 汽車儀表盤顯示控制器
- 工業自動化計數器和定時器
- 通信系統中的分頻器
- 數字時鐘和事件計數器
- 可編程邏輯控制器 (PLC)
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