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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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PI74LVC3245AS 데이터시트(PDF) 1 Page - Pericom Semiconductor Corporation |
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PI74LVC3245AS 데이터시트(HTML) 1 Page - Pericom Semiconductor Corporation |
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1 / 9 page  1 P-0.3 08/05/03 Pin Name Description OE 3-State Output Enable Inputs (Active LOW) DIR Direction Control Input Ax Side A Inputs or 3-State Outputs Bx Side B Inputs or 3-State Outputs NC NO Internal Connect GND Ground VCCA,VCCB Power (3.3V) VCCA DIR A1 A2 A3 A4 A5 A6 A7 A8 GND GND VCCB (5V) NC OE B1 B2 B3 B4 B5 B6 B7 B8 GND 24 23 22 21 20 19 18 17 16 15 14 13 1 2 3 4 5 6 7 8 9 10 11 12 Product Description Pericom Semiconductor’s PI74LVC series of logic circuits are produced using the Company’s advanced submicron CMOS tech- nology, achieving industry leading speed. The PI74LVC3245A is a non-inverting 8-bit Bidirectional Trans- ceiver that uses two seperate power supply rails. A-port (VCCA) is set to operate at 3.3V and B-port (VCCB) is set to operate at 5V. This allows for translation from a 3.3V to a 5Venvironment and vice-versa. This tranceiver is designed for asynchronous two-way communication between data buses.The direction control input pin (DIR) determines the dataflow from the A bus to the B bus or from the B bus to the A bus. The output enable (OE) input, when HIGH, disables both A and B ports by placing them in HIGH Z condi- tion. 8-Bit Dual Supply Bus Transceiver with 3-State Outputs Logic Block Diagram Product Features • 2.7V to 3.6V on A-port and 4.5V to 5.5V on B-port • TTL Compatible Inputs • Latch-up performance exceeds 200mA Per JESD78 • ESD protection exceeds JESD22 2000V Human-Body Model (A114-B) 200V Machine Model (A115-A) • Industrial Temperature: –40°C to +85°C • Available Packages: 24-pin 173-mil wide plastic TSSOP (L) 24-pin 150-mil wide plastic QSOP (Q) 24-pin 300-mil wide plastic SOIC (S) PI74LVC3245A ADVANCE INFORMATION B1 A1 OE DIR B2 A2 B3 A3 B4 A4 B5 A5 B6 A6 B7 A7 B8 A8 2 5 3 4 8 6 7 10 9 22 19 21 20 16 18 17 14 15 Truth Table(1) Note: 1. H = High Signal Level L = Low Signal Level X = Don’t Care or Irrelevant Z = High Impedance Product Pin Description Product Pin Configuration Inputs Outputs OE DIR L L Bus B Data to Bus A L H Bus A Data to Bus B H X Z (Isolation) |
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