
圖片僅供參考
| FLYiNG 零件編號 | ICAL245P20UAiT |
| FLYiNG 散料庫存 | 電洽/Contact |
| FLYiNG 標準包裝庫存 | 電洽/Contact |
| 製造商/品牌商 | AiT Semiconductor Inc. |
| 製造商/品牌商零件編號 | AL245P20U |
| 說明 | IC AL245P20U DIP-20 AiT |
| 無鉛狀態 / RoHS 指令狀態 | ROHS |
| 標準包裝數量 | NTD 單價 / PCS |
| 720 | 請電洽 |
| IC | Level shift Octal Bus Transceiver with 3-State Outputs |
| 製造商 | AiT Semiconductor Inc. |
| 系列 | AL245 |
| 原廠料號 | IC AL245P20U DIP-20 AiT |
| 輸出類型 | 三態 |
| 功能 | Octal Bus Transceiver |
| 元件數 | 1 |
| 每元件位元數 | 8 |
| 電壓 - 電源 | 2-6V |
| 無鉛狀態 RoHS | RoHS |
| 工作溫度 | -40~125 °C |
| 安裝類型 | DIP通孔式 |
| 供應商元件封裝 | DIP-20 |
| 標準包裝數量 | 18/管,720/盒Box |
文件:AL245
AL245
LEVEL SHIFT Octal Bus Transceiver with 3-State Outputs
DESCRIPTION
FEATURES
AL245
LEVEL SHIFT Octal Bus Transceiver with 3-State Outputs
DESCRIPTION
The AL245 is designed for asynchronous communication between two data buses. The logic levels of the direction-control (DIR) input and the output-enable ( OE̅̅̅̅̅ )input activate either the B-port outputs or the A-port outputs or place both output ports into the high-impedance mode. The AL245 transmits data from the A bus to the B bus when the B-port outputs are activated, and from the B bus to the A bus when the A-port outputs are activated. The input circuitry on both A and B ports is always active and must have a logic High or Low level applied to prevent excess ICC and IOZ. The VCC isolation feature ensures that if either VCC input is at GND, all outputs are in a high-impedance state. To ensure the high-impedance state during power up or power down, ( OE̅̅̅̅̅ ) should be tied to VCC through a pullup resistor, the minimum value of the resistor is determined by the current-sinking capability of the driver. The AL245 is available in SOP20, DIP20 and TSSOP20 packages.
FEATURES
- 2.0V to 6.0V Operation
- OE Isolation: If OE is at level HIGH, Output ports are in the high Impedance OFF State
- Extended Temperature: -40°C to +125°C
- Octal Bidirectional bus Interface
- Non-inverting 3- state output
- Servers
- LED Displays
- Network Switches
- Telecom Infrastructure
- Motor Drivers
- I/O Expanders
- Handset
- Smartphone
- Tablet
- Desktop PC
AL245
電平轉換八位元匯流排收發器(具三態輸出)
說明
AL245 專為兩組資料匯流排之間的非同步通訊而設計。方向控制(DIR)輸入與輸出使能(OE)輸入的邏輯電平,可控制啟用 B 埠輸出、A 埠輸出,或將兩組輸出埠皆設為高阻抗狀態。
當啟用 B 埠輸出時,AL245 可將資料由 A 匯流排傳送至 B 匯流排;當啟用 A 埠輸出時,則可將資料由 B 匯流排傳送至 A 匯流排。
A 埠與 B 埠的輸入電路皆保持啟用狀態,因此必須施加邏輯高電位或低電位,以避免過大的 ICC 與 IOZ。
VCC 隔離功能可確保當任一 VCC 端接地(GND)時,所有輸出皆處於高阻抗狀態。為了在上電或斷電期間維持高阻抗狀態,應透過上拉電阻將 OE 端連接至 VCC,上拉電阻的最小阻值需依驅動器的灌電流能力決定。
AL245 提供 SOP20、DIP20 及 TSSOP20 封裝。
特性
- 工作電壓範圍:2.0V ~ 6.0V
- OE 隔離功能:當 OE 為高電位時,輸出埠為高阻抗關閉狀態
- 工作溫度範圍:-40°C ~ +125°C
- 八位元雙向匯流排介面
- 非反相三態輸出
應用
- 伺服器
- LED 顯示器
- 網路交換器
- 電信基礎設備
- 馬達驅動器
- I/O 擴充器
- 手機
- 智慧型手機
- 平板電腦
- 桌上型電腦

