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PI74LVC3245AQ

Pericom Semiconductor Corporation
Part Number PI74LVC3245AQ
Manufacturer Pericom Semiconductor Corporation
Description 8-Bit Dual Supply Bus Transceiver with 3-State Outputs
Published Mar 22, 2005
Detailed Description ADVANCE INFORMATION PI74LVC3245A 8-Bit Dual Supply Bus Transceiver with 3-State Outputs Product Features • • • • 2.7V t...
Datasheet PDF File PI74LVC3245AQ PDF File

PI74LVC3245AQ
PI74LVC3245AQ

Overview
ADVANCE INFORMATION PI74LVC3245A 8-Bit Dual Supply Bus Transceiver with 3-State Outputs 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) Product Description Pericom Semiconductor’s PI74LVC series of logic circuits are produced using the Company’s advanced submicron CMOS technology, achieving industry leading speed.
The PI74LVC3245A is a non-inverting 8-bit Bidirectional Transceiver 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 condition.
Logic Block Diagram DIR 2 22 Product Pin Configuration OE (3.
3V) VCCA DIR A1 A2 A3 A4 A5 A6 A7 A8 GND GND 1 2 3 4 5 6 7 8 9 10 11 12 24 23 22 21 20 19 18 17 16 15 14 13 VCCB (5V) NC OE B1 B2 B3 B4 B5 B6 B7 B8 GND A1 3 A2 4 A3 5 A4 6 A5 7 A6 8 A7 9 A8 10 21 B1 20 B2 19 18 17 16 B3 B4 B5 B6 15 B7 14 B8 Product Pin Description Pin Name OE Outputs DIR Ax Bx NC GND VCCA,VCCB Description 3-State Output Enable Inputs (Active LOW) Direction Control Input Side A Inputs or 3-State Outputs Side B Inputs or 3-State Outputs NO Internal Connect Ground Power Truth Table(1) Inputs OE L L H DIR L H X Bus B Data to Bus A Bus A Data to Bus B Z (Isolation) L = Low Signal Level Z = High Impedance 1 Note: 1.
H = High Signal Level X = Don’t ...


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