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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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PI74LVC4245AL датащи(PDF) 1 Page - Pericom Semiconductor Corporation |
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PI74LVC4245AL датащи(HTML) 1 Page - Pericom Semiconductor Corporation |
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1 / 9 page  1 P-0.2 08/11/03 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 PI74LVC4245A is a non-inverting 8-bit Bidirectional Trans- ceiver that uses two separate power supply rails. A-port (VCCA) is set to operate at 5V and B-port (VCCB) is set to operate at 3.3V. 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 • 4.5V to 5.5V on A-port and 2.7V to 3.6V on B-port • Latch-up performance exceeds 200mA Per JESD78 • ESD protection exceeds JESD 22 - 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) PI74LVC4245A 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 (5V) VCCA DIR A1 A2 A3 A4 A5 A6 A7 A8 GND GND VCCB (3.3V ) VCCB (3.3V ) 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 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) 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 GND Ground VCCA,VCCB Power |
Аналогичный номер детали - PI74LVC4245AL |
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Аналогичное описание - PI74LVC4245AL |
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