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PI74AVC164245AV

ETC
Part Number PI74AVC164245AV
Manufacturer ETC
Description 16-BIT 1.8-2.5V TO 3.3V LEVEL SHIFTING TRANSCEIVER WITH 3-STATE OUTPUTS
Published Mar 22, 2005
Detailed Description 123456789012345678901234567890121234567890123456789012345678901212345678901234567890123456789012123456789012345678901234...
Datasheet PDF File PI74AVC164245AV PDF File

PI74AVC164245AV
PI74AVC164245AV

Overview
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8-2.
5V to 3.
3V Level Shifting Transceiver with 3-State Outputs Product Features • PI74AVC164245 is designed for low voltage operation: 1.
8V - 2.
5V to 3.
3V • Industrial operation at –40°C to +85°C • Packages available: – 48-pin plastic 300 mil SSOP (V) – 48-pin plastic 240 mil TSSOP (A) – 48-pin plastic 173 mil TVSOP (K) Product Description Pericom Semiconductor’s AVC series of logic circuits are produced using the Company’s advanced 0.
35 micron CMOS technology, achieving industry leading performance.
Pericom Semiconductor’s PI74AVC164245, a 16-bit (dual-octal) noninverting bus transceiver, contains two separate supply rails: B port (VCCB), set at 3.
3V, and A port (VCCA), set to operate at 1.
8-2.
5V.
This arrangement permits translation from a 1.
8-2.
5V to 3.
3V environment and vice versa.
The PI74AVC164245 is designed for asynchronous communication between data buses.
Truth Table (each 8-bit section) Inputs OE L L H DIR L H X Ope ration B data to A bus A data to B bus Isolation To ensure the high impedance state during power up or power down, the output-enable (OE) input 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.
Logic Block Diagram Product Pin Configuration (LVTTL)1DIR 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 48 47 46 45 44 43 42 41 40 39 1OE(LVTTL) 1A1 1A2 GND 1A3 1A4 VCCA(1.
8V-2.
5V) 1A5 1A6 GND 1A7 1A8 2A1 2A2 GND 2A3 2A4 VCCA(1.
8V-2.
5V) 2A5 2A6 GND 2A7 2A8 2OE(LVTTL) 1DIR 1 48 47 2 1OE 1B1 1B2 ...


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