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PI74LVTC245S Dataheets PDF



Part Number PI74LVTC245S
Manufacturers Pericom Semiconductor Corporation
Logo Pericom Semiconductor Corporation
Description 3.3V 8 BIT BIDIRECTIOANAL TRANCEIVER WITH 3 STATE OUTPUTS
Datasheet PI74LVTC245S DatasheetPI74LVTC245S Datasheet (PDF)

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  PI74LVTC245S   PI74LVTC245S



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12345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890123456789012123456789012 12345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890123456789012123456789012 12345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890123456789012123456789012 PI74LVTC245 3.3V 8-Bit Bi-Directional Transceiver with 3-State Outputs Product Features • Advanced low power CMOS design for 2.7V to 3.6V VCC operation • Supports 5V input/output tolerance in mixed signal mode operation • Function compatible with LVT family of products • Balanced ±24mA output drive • Typical VOLP (Output Ground Bounce) <0.8V at VCC=3.3V, TA=25°C • Ioff and Power Up/Down 3-State support live insertion • Latch-up performance exceeds 200mA Per JESD78 • ESD protection exceeds JESD 22 - 2000V Human-Body Model (A114-B) - 200V Machine Model (A115-A) • Packages (Pb-free available): - 20-pin 209-mil wide plastic SSOP (H) - 20-pin 173-mil wide plastic TSSOP (L) 20-pin 300-mil wide plastic SOIC (S) Product Description Pericom Semiconductor’s PI74LVTC series of logic circuits are produced using the Company’s advanced CMOS technology, achieving industry leading speed. The PI74LVTC245 is a non-inverting 8-bit Bidirectional Transceiver designed for low-voltage 2.7V to 3.6V VCC operation, with the capability of interfacing to the 5V system environment. This tranceiver is designed for asynchronous two-way communication between data buses. The direction control input pin (DIR) determines the direction of 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 condition. When Vcc is between 0 to 1.5V during power up or power down, the outputs of the device are in the high-impedance state. To ensure the high-impedance state above 1.5V, OE 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 device fully supports live-insertion with its Ioff and power-up/ down 3-state. The Ioff circuitry disables the outputs when the power is off, preventing the backflow of damaging current through the device. Power-up/down 3-state places the outputs in the high-impedance state during power up or power down, preventing driver conflict. Logic Block Diagram DIR OE A0 B0 A1 B1 A2 B2 A3 B3 A4 B4 A5 B5 A6 B6 A7 B7 Product Pin Configuration DIR A0 A1 A2 A3 A4 A5 A6 A7 GND 1 2 3 4 5 6 7 8 9 10 20 19 18 17 VCC OE B0 B1 B2 B3 B4 B5 B6 B7 20-Pin 16 H, L, S 15 14 13 12 11 1 PS8691 07/01/03 PI74LVTC245 3.3V, 8-Bit Bi-Directional Tranceiver with 3-State Outputs 12345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567890123456789012123456789012 123456789012345678901234567890121234567890123456789.


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