PI74FCT16244ATA 查看數據表（PDF） - Pericom Semiconductor

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PI74FCT16244ATA

Fast CMOS 16-Bit Buffer/Line Drivers

Pericom Semiconductor 

Features

Common Features

• High-speed, low-power devices with high-current drive

VCC = 5V ±10%

• Hysteresis on all inputs

• Device models available upon request

PI74FCT16244T Features

• High output drive: IOH = –32mA; IOL = 64mA

• Power off disable outputs permit "live insertion"

• Typical VOLP (Output Ground Bounce)

< 1.0V at VCC = 5V, TA = 25°C

PI74FCT162244T Features

• Balanced output drivers: ±24mA

• Reduced system switching noise

• Typical VOLP (Output Ground Bounce)

< 0.6V at VCC = 5V, TA = 25°C

• Packaging (Pb-free & Green available):

– 48-pin 240-mil wide plastic TSSOP (A)

– 48-pin 300-mil wide plastic SSOP (V)

– 48-pin 173-mil wide plastic TVSOP (K)

Block Diagram

PI74FCT16244T

PI74FCT162244T

Fast CMOS 16-Bit Buffer/Line Drivers

Description

Pericom Semiconductor’s PI74FCT16244T and PI74FCT162244T

are non-inverting 16-bit buffer/line drivers designed for

applications driving high capacitance loads and low impedance

backplanes. These high-speed, low power devices offer bus/

backplane interface capability and a flow-through organization

for ease of board layout. These devices are designed with three-

state controls to operate in a Quad-Nibble, Dual-Byte, or a single

16-bit word mode.

The PI74FCT16244T output buffers are designed with a Power-

Off disable allowing “live insertion” of boards when used as

backplane drivers.

The PI74FCT162244T has ±24mA balanced output drivers. It is

designed with current limiting resistors at its outputs to control

the output edge rate resulting in lower ground bounce and

undershoot. This eliminates the need for external terminating

resistors for most interface applications.

07-0059

1

PS2031L

02/26/07

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