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PI74ALVTC16827 Datasheet

  • PI74ALVTC16827

  • Logic | 20-Bit Buffer/Driver

  • 135.35KB

  • 8頁

  • ETC

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PI74ALVTC16827
2.5V 20-Bit Buffer/Driver
with 3-State Outputs
Product Features
聲 PI74ALVTC16827 is designed for low voltage operation,
V
DD
= 1.65V to 3.6V
聲 Supports Live Insertion
聲 3.6V I/O Tolerant Inputs and Outputs
聲 Bus Hold
聲 High Drive, 聳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 56-pin 240-mil wide plastic TSSOP (A56)
聳 56-pin 173-mil wide plastic TVSOP (K56)
Product Description
Pericom Semiconductor聮s PI74ALVTC series of logic circuits are
produced using the Company聮s advanced 0.35 micron CMOS
technology, achieving industry leading speed.
The PI74ALVTC16827, is a 20-Bit non-inverting buffer/driver
designed for 1.65V to 3.6V Vcc operation.
A buffer/driver is composed of two 10-bit sections with separate
output-enable signals. For either 10-Bit buffer section, the two
output-enable (1OE1 and 1OE2 or 2OE1 and 2OE2 inputs must both
be low for the corresponding Y outputs to be active. If either output-
enable input is HIGH, the output of that 10-Bit buffer section are in
the high-impedance state.
To ensure the high-impedance state during power up or power
down, OE should be tied to Vcc through a pullup resistor whose
minimum value is determined by the current sinking capability of
the driver.
The family offers both I/O Tolerant, which allows it to operate in
mixed 1.65/3.6V systems, and 聯(lián)Bus Hold,聰 which retains the data
input聮s last state preventing 聯(lián)floating聰 inputs and eliminating the
need for pullup/down resistors.
Logic Block Diagram
1
56
28
29
1OE
1
1OE
2
2OE
1
2OE
2
1A1
55
2
1Y1
2A1
42
15
2Y1
To 9 Other Channels
To 9 Other Channels
1
PS8619
06/05/02

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