圖片僅供參考
74HC245
IC 74HC245 Octal Tri-State Trans
- 製造商
- 製造商。 部分 #74HC245
- 包
- 資料表
- 有現貨的2933
100%原創; 新
24小時準備發貨
365天保修
RFQ&; 獲得更多折扣
規格
| Series | 74HC |
| Part Status | Active |
| Mounting Type | Through Hole |
概述
Description
The 74HC245 is an octal bus transceiver, primarily used for data transfer between different sections of a digital system, facilitating communication between microcontrollers or other digital devices. It features two modes of operation: transmit (A to B) and receive (B to A), allowing data to flow in either direction.
This device operates with a supply voltage range of 2V to 6V and is compatible with both TTL and CMOS logic levels. The transceiver has eight data lines (A0-A7 and B0-B7) and control pins for direction (DIR) and enable (OE), which manage the data flow and device activation, respectively.
The 74HC245 is ideal for applications requiring high-speed data transfer and can drive heavy capacitive loads. Its tri-state outputs allow multiple devices to share the same data bus without interference, making it suitable for various digital communication systems. Overall, the 74HC245 is essential for efficient data management in complex electronic circuits.
This device operates with a supply voltage range of 2V to 6V and is compatible with both TTL and CMOS logic levels. The transceiver has eight data lines (A0-A7 and B0-B7) and control pins for direction (DIR) and enable (OE), which manage the data flow and device activation, respectively.
The 74HC245 is ideal for applications requiring high-speed data transfer and can drive heavy capacitive loads. Its tri-state outputs allow multiple devices to share the same data bus without interference, making it suitable for various digital communication systems. Overall, the 74HC245 is essential for efficient data management in complex electronic circuits.
Features
The 74HC245 is an octal bus transceiver designed for high-speed data transfer in digital circuits. Key features include:
1. Dual Directional Data Flow: Supports bidirectional data transfer between two buses.
2. High-Speed Operation: Capable of operating at high frequencies, suitable for fast data communication.
3. 3-State Outputs: Outputs can be in high, low, or high-impedance state, allowing for multiple devices to share the same bus without interference.
4. Wide Supply Voltage Range: Operates typically from 2V to 6V, making it versatile for different applications.
5. TTL Compatible: Can interface with TTL logic levels, ensuring compatibility with various digital components.
6. Control Pins: Includes enable (DIR) and output enable (OE) pins for controlling the direction of data flow and activating outputs.
7. Enhanced Drive Capability: Designed to drive multiple loads, beneficial for interfacing with other logic families or devices.
These features make the 74HC245 ideal for use in data communication applications, memory interfacing, and system buses in computer and peripheral devices.
1. Dual Directional Data Flow: Supports bidirectional data transfer between two buses.
2. High-Speed Operation: Capable of operating at high frequencies, suitable for fast data communication.
3. 3-State Outputs: Outputs can be in high, low, or high-impedance state, allowing for multiple devices to share the same bus without interference.
4. Wide Supply Voltage Range: Operates typically from 2V to 6V, making it versatile for different applications.
5. TTL Compatible: Can interface with TTL logic levels, ensuring compatibility with various digital components.
6. Control Pins: Includes enable (DIR) and output enable (OE) pins for controlling the direction of data flow and activating outputs.
7. Enhanced Drive Capability: Designed to drive multiple loads, beneficial for interfacing with other logic families or devices.
These features make the 74HC245 ideal for use in data communication applications, memory interfacing, and system buses in computer and peripheral devices.
Package
The 74HC245 is typically available in several package types, including DIP (Dual In-line Package), SOIC (Small Outline Integrated Circuit), and TSSOP (Thin Shrink Small Outline Package). The DIP package is commonly used for prototyping, while SOIC and TSSOP are preferred for surface-mount applications due to their smaller size.
Pinout
The 74HC245 is an octal bus transceiver with 3-state outputs, commonly used for data transmission between devices. It has a total of 20 pins.
### Pin Count:
- Total Pins: 20
### Function:
- Data Transceivers: It can transmit data in both directions (A to B and B to A) depending on the control signals.
- Control Pins:
- DIR: Determines the direction of data flow (A to B or B to A).
- OE: Output Enable - when low, allows data to flow; when high, puts outputs in a high-impedance state.
- Data Pins:
- A1 to A8: Input/output pins for data on one side (A).
- B1 to B8: Input/output pins for data on the opposite side (B).
The device facilitates communication between different components in digital circuits, enabling efficient data management and bus control.
### Pin Count:
- Total Pins: 20
### Function:
- Data Transceivers: It can transmit data in both directions (A to B and B to A) depending on the control signals.
- Control Pins:
- DIR: Determines the direction of data flow (A to B or B to A).
- OE: Output Enable - when low, allows data to flow; when high, puts outputs in a high-impedance state.
- Data Pins:
- A1 to A8: Input/output pins for data on one side (A).
- B1 to B8: Input/output pins for data on the opposite side (B).
The device facilitates communication between different components in digital circuits, enabling efficient data management and bus control.
Manufacturer
The 74HC245 is a high-speed CMOS octal bus transceiver manufactured by several semiconductor companies, including Texas Instruments, NXP Semiconductors, and ON Semiconductor. These companies are prominent players in the electronics and semiconductor industry, specializing in the design and production of integrated circuits, microcontrollers, and various electronic components. They serve a wide range of markets, including consumer electronics, automotive, industrial automation, and telecommunications, providing essential building blocks for modern electronic systems.
Application
The 74HC245 is an octal bidirectional transceiver used for data communication between devices. Its application areas include:
1. Bus Interfacing: Connecting microcontrollers and peripheral devices.
2. Data Buffering: Buffering signals to prevent load issues.
3. Parallel to Serial Conversion: Converting parallel data for serial transmission.
4. Level Shifting: Adapting voltage levels between different logical systems.
5. Memory Interfacing: Connecting data buses to memory devices in computing systems.
1. Bus Interfacing: Connecting microcontrollers and peripheral devices.
2. Data Buffering: Buffering signals to prevent load issues.
3. Parallel to Serial Conversion: Converting parallel data for serial transmission.
4. Level Shifting: Adapting voltage levels between different logical systems.
5. Memory Interfacing: Connecting data buses to memory devices in computing systems.
Equivalent
Equivalent products to the 74HC245 chip include the following:
1. 74HCT245
2. 74LS245
3. 74ALS245
4. 74F245
These chips are similar in function as octal bus transceivers, but may differ in voltage levels, speed, and logic families. Always check specific datasheets for compatibility.
1. 74HCT245
2. 74LS245
3. 74ALS245
4. 74F245
These chips are similar in function as octal bus transceivers, but may differ in voltage levels, speed, and logic families. Always check specific datasheets for compatibility.
船舶
運輸管道我們
通過DHL、FedEx、TNT、UPS或您選擇的任何其他貨運代理提供全球運輸服務。
運費參攷(DHL/FedEx):
動態主要裝載: 運費從25美元到45美元(0.5公斤)不等,預計交貨時間為2-5個工作日。
聯邦快遞: 運費從25美元到40美元(0.5公斤)不等,預計交貨時間為3-7個工作日。
不斷電供應系統: 運費從25美元到45美元(0.5公斤)不等,預計交貨時間為3-7個工作日。
三硝基甲苯: 運費從25美元到65美元(0.5公斤)不等,預計交貨時間為3-7個工作日。
增强型短消息: 運費從30美元到50美元(0.5公斤)不等,預計交貨時間為7-15個工作日。
掛號: 運費為2-4美元(0.1公斤),預計交貨時間為5-20個工作日。
支付
Payment Methods
付款條件為100%預付。
現時,我們只接受以下付款方式:
1. 貝寶
2. 信用卡/借記卡
3. 電匯
類似的
-
MX25V1635FZNI
Macronix
-
MX25V1635FZNQ03
Macronix
-
MX25V5126FM1I
Macronix
-
MX25V4035FZUI
Macronix
-
MX25V2033FM1I
Macronix
-
MX25R3235FZNIL0
Macronix
-
MX25U25643GZNI00
Macronix
-
MX25L6433FM2I-08G
Macronix
-
MX25L12833FM2I-10..
Macronix
-
MX25L12833FZNI-10..
Macronix
-
MX25L25735FMI-10G
Macronix
-
MX30LF4G18AC-TI
Macronix