Datasheet > PI74ALVCH32244

PI74ALVCH32244

更新时间： 2024-10-26 23:27:39

品牌	Logo	应用领域
其他 - ETC		驱动器
页数	文件大小	规格书
8页	172K
描述
Logic \| 32-Bit Buffer/Driver with 3-State Outputs

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PI74ALVCH32244 数据手册

PI74ALVCH32244

32-Bit Buffer/Driver

with 3-State Outputs

Product Features

Product Description

Pericom Semiconductors PI74ALVCH series of logic circuits

are produced using the Companys advanced 0.5 micron CMOS

technology, achieving industry leading speed.

• PI74ALVCH32244 is designed for low voltage operation

• V_CC= 2.3V to 3.6V

• Typical V_OLP(Output Ground Bounce)

<0.8V at V_CC= 3.3V, T_A= 25°C

The PI74ALVCH32244 is an non-inverting 32-bit buffer/driver

designed for low voltage 2.3V to 3.6V V_CCoperation.

• Typical V_OHV(Output V_OHUndershoot)

>2.0V at V_CC= 3.3V, T_A= 25°C

The buffer/driver is designed specifically to improve both the

performance and density of 3-State memory address drivers, clock

drivers, and bus-oriented receivers and transmitters.

• Bus Hold retains last active bus state during 3-State

eliminating the need for external pullup resistors

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

• Packages available:

The device can be used as eight 4-bit buffers, four 8-bit buffers, or

one 32-bit buffer. It provides true outputs and symmetrical active-

low output-enable (OE) inputs.

96-ball, 13.5mm x 5.5mm x 1.4mm low profile fine

pitch ball grid array, LFBGA(NB)

To ensure the high-impedance state during power up or power

down, OE should be tied to V_CCthrough a pullup resistor in which

the minimum value is determined by the current-sinking capability

of the driver.

Active bus-hold circuitry is provided to hold unused or floating

data inputs at a valid logic level.

Truth Table⁽¹⁾

Product Pin Description

Pin Name

nOE

Description

Inputs

Outputs

3-State Output Enable Inputs (Active LOW)

nOE

nAx

nYx

nAx

Inputs

nYx

3-State Outputs

Ground

GND

V_CC

Power

Note:

1. H= High Signal Level, L = Low Signal Level

X= Don’t Care or Irrelevant, Z = High Impedance

PS8436

08/24/01

12 3 4 5 6 7 8

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