PI74AVC164245AX Pericom Semiconductor, PI74AVC164245AX Datasheet

PI74AVC164245AX

Manufacturer Part Number

PI74AVC164245AX

Description

48/16 BIT LEVEL SHIFTING TRANSCEI

Manufacturer

Pericom Semiconductor

Datasheet

1.PI74AVC164245AX.pdf (15 pages)

Specifications of PI74AVC164245AX

Pack_quantity

1500

Comm_code

85423990

Lead_time

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Features

Truth Table

Block Diagram

PI74AVC164245 is designed for low voltage operation:

Industrial operation at –40°C to +85°C

•

1.2V - 2.5V to 3.3V

– 48-pin plastic 300-mil SSOP (V)

– 48-pin plastic 240-mil TSSOP (A)

– 48-pin plastic 173-mil TVSOP (K)

1DIR

2DIR

1A1

2A1

10-0148

Packaging (Pb-free & Green available):

Inputs

(each 8-bit section)

DIR

To Seven Other Channels

Operation

B data to A bus

A data to B bus

Isolation

1OE

1B1

2OE

2B1

Description

Pericom Semiconductor’s PI74AVC164245, a 16-bit (dual-octal)

noninverting bus transceiver, contains two separate supply rails:

B port (V

at 1.2-2.5V. This arrangement permits translation from a 1.2-2.5V

to 3.3V environment and vice versa.

The PI74AVC164245 is designed for asynchronous communication

between data buses.

To ensure the high impedance state during power up or power

down, the output-enable (OE) input should be tied to V

a pullup resistor: the minimum value of the resistor is determined

by the current-sinking capability of the driver.

Pin Configuration (28-Pin TQFN)

16-Bit 1.2-2.5V to 3.3V Level Shifting

CCB

(3.3V LVTTL) 1DIR

(3.3V LVTTL) 2DIR

), set at 3.3V, and A port (V

(3.3V) V CCB

Transceiver with 3-State Outputs

GND

1B1

1B2

1B3

1B4

1B5

1B6

1B7

1B8

2B1

2B2

2B3

2B4

2B5

2B6

2B7

2B8

PI74AVC164245A

www.pericom.com

PI74AVC164245

1OE (3.3V LVTTL)

1A1

1A2

GND

1A3

1A4

V CCA (1.8V-2.5V)

1A5

1A6

GND

1A7

1A8

2A1

2A2

GND

2A3

2A4

V CCA (1.8V-2.5V)

2A5

2A6

GND

2A7

2A8

2OE (3.3V LVTTL)

CCA

), set to operate

P-0.1

through

04/16/10

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