SN74LVC244A
- Operates From 1.65 V to 3.6 V
- Inputs Accept Voltages to 5.5 V
- Specified From –40°C to +85°C and –40°C to +125°C
- Maximum tpd of 5.9 ns at 3.3 V
- Typical VOLP (Output Ground Bounce) < 0.8 V at VCC = 3.3 V, TA = 25°C
- Typical VOHV (Output VOH Undershoot) > 2 V at VCC = 3.3 V, TA = 25°C
- Supports Mixed-Mode Signal Operation on All Ports (5-V Input or Output Voltage With 3.3-V VCC)
- Ioff Supports Live Insertion, Partial-Power-Down Mode, and Back-Drive Protection
- Can Be Used as a Down Translator to Translate Inputs From a Maximum of 5.5 V Down to the VCC Level
- Available in Ultra Small Logic QFN Package (0.5 mm Maximum Height)
- Latch-Up Performance Exceeds 250 mA Per JESD 17
- ESD Protection Exceeds JESD 22
- 2000-V Human-Body Model
- 1000-V Charged-Device Model
These octal bus buffers are designed for 1.65-V to 3.6-V VCC operation. The SN74LVC244A devices are designed for asynchronous communication between data buses.
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This document focuses on two reference designs using the SN74HC595B 8-bit Shift Register with 3-State Output Registers and the SN74LVC244A Octal Buffer with 3-State Outputs, each used to expand three general purpose outputs on a microcontroller to eight or more general purpose outputs. Both (...)
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封裝 | 針腳 | CAD 符號、佔位空間與 3D 模型 |
---|---|---|
PDIP (N) | 20 | Ultra Librarian |
SOIC (DW) | 20 | Ultra Librarian |
SOP (NS) | 20 | Ultra Librarian |
SSOP (DB) | 20 | Ultra Librarian |
TSSOP (PW) | 20 | Ultra Librarian |
TVSOP (DGV) | 20 | Ultra Librarian |
VQFN (RGY) | 20 | Ultra Librarian |
X1QFN (RWP) | 20 | Ultra Librarian |
訂購與品質
內含資訊:
- RoHS
- REACH
- 產品標記
- 鉛塗層/球物料
- MSL 等級/回焊峰值
- MTBF/FIT 估算值
- 材料內容
- 認證摘要
- 進行中持續性的可靠性監測
內含資訊:
- 晶圓廠位置
- 組裝地點