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74HC393D
+BOMIC DUAL 4BIT BINARY COUNT 14SOIC
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メーカー東芝セミコンダクター・アンド・ストレージ
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メーカー品番 #74HC393D
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データシート 74HC393D DataSheet
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パッケージ SOIC-20
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在庫状況2760
365 日間品質保証
7*24 日間の品質保証
90-時間単位のサービス保証
1日間のアフターサービス保証
仕様
| 属性 | 値 |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Series | 74HC |
| Part Status | Active |
| Logic Type | Binary Counter |
| Direction | Up |
| Number of Elements | 2 |
| Number of Bits per Element | 4 |
| Count Rate | 32 MHz |
| Trigger Type | Negative Edge |
| Voltage - Supply | 2 V ~ 6 V |
| Operating Temperature | -40°C ~ 85°C |
| Mounting Type | Surface Mount |
概要
Description
Key features include:
- High-speed performance with typical propagation delays.
- Low power consumption due to CMOS technology.
- Wide operating voltage range (typically 2V to 6V).
- Standard pin configuration, making it compatible with other TTL and CMOS ICs.
- Each counter can be asynchronously reset using the master reset input.
The 74HC393D is commonly used in applications requiring frequency division, sequential counting, or digital timing. It is widely used in digital electronics projects and designs, including timers, frequency counters, and state machines.
Equivalent
1. CD74HC393 from Texas Instruments
2. MC74HC393 from ON Semiconductor
3. SN74HC393 from Texas Instruments
4. NTE74HC393 from NTE Electronics
These equivalents offer similar functionality, pin configuration, and electrical characteristics, but always check the datasheets for detailed specifications and ensure compatibility with your application.
Features
Pinout
1. Pin 1 (1QA): Output for counter A.
2. Pin 2 (1QGND): Ground for counter A.
3. Pin 3 (1QB): Output for counter B.
4. Pin 4 (1QC): Output for counter C.
5. Pin 5 (1QD): Output for counter D.
6. Pin 6 (1CLOCK): Clock input for the first 4-bit counter.
7. Pin 7 (1CLEAR): Asynchronous reset for the first 4-bit counter.
8. Pin 8 (GND): Ground.
9. Pin 9 (2CLEAR): Asynchronous reset for the second 4-bit counter.
10. Pin 10 (2CLOCK): Clock input for the second 4-bit counter.
11. Pin 11 (2QD): Output for counter D.
12. Pin 12 (2QC): Output for counter C.
13. Pin 13 (2QB): Output for counter B.
14. Pin 14 (2QA): Output for counter A.
15. Pin 15 (VCC): Positive supply voltage.
16. Pin 16 (NC): No connection.
This IC is often used in digital applications to perform counting tasks, and each 4-bit counter can operate independently.