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PI74ALVTC16240 Datasheet

  • PI74ALVTC16240

  • 16-Bit Buffer/Driver with 3-State Outputs

  • 347.08KB

  • 8頁

  • PERICOM   PERICOM

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PI74ALVTC16240
16-Bit Buffer/Driver
with 3-State Outputs
Product Features
聲 PI74ALVTC family is designed for low voltage operation,
V
DD
= 1.8V to 3.6V
聲 Supports Live Insertion
聲 3.6V I/O Tolerant Inputs and Outputs
聲 Bus Hold
聲 High Drive, -32/64mA @ 3.3V
聲 Uses patented noise reduction circuitry
聲 Power-off high impedance inputs and outputs
聲 Industrial operation at 聳40擄C to +85擄C
聲 Packages available:
聳 48-pin 240 mil wide plastic TSSOP (A)
聳 48-pin 173 mil wide plastic TVSOP (K)
聳 48-pin 300 mil wide plastic SSOP (V)
Product Description
Pericom Semiconductor聮s PI74ALVTC series of logic circuits are
produced in the Company聮s advanced 0.35 micron CMOS tech-
nology, achieving industry leading speed.
The PI74ALVTC16240 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.
The device can be used as four 4-bit buffers, two 8-bit buffers, or
one 16-bit buffer. It provides inverting outputs and symmetrical
active-low output-enable (OE) inputs.
To ensure the high-impedance state during power up or power
down, OE should be tied to Vdd through a pullup resistor; the
minimum value of the resistor is determined by the current-sink-
ing capability of the driver.
The family offers both I/O Tolerant, which allows it to operate in
mixed 1.8/3.6V systems, and 聯(lián)Bus Hold,聰 which retains the data
input聮s last state whenever the data input goes to high-impedance,
preventing 聯(lián)floating聰 inputs and eliminating the need for pullup/
down resistors.
Logic Block Diagram
1
PS8353A
11/23/98

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