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PDF PI74ALVCHR162245 Data sheet ( Hoja de datos )
| Número de pieza | PI74ALVCHR162245 | |
| Descripción | 3.3V 16-Bit Bidirectional Transceiver with 3-State Output | |
| Fabricantes | Pericom Semiconductor Corporation | |
| Logotipo |  |
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3.3V 16-Bit Bidirectional Transceiver
with 3-State Output
Product Features
Product Description
PI74ALVCHR162245 is designed for low voltage operation
Vcc = 2.3V to 3.6V
Hysteresis on all inputs
Typical VOLP (Output Ground Bounce)
< 0.8V at VCC = 3.3V, TA = 25°C
Typical VOHV (Output VOH Undershoot)
< 2.0V at VCC = 3.3V, TA = 25°C
All output ports have equivilent 26Ω series resistors:
No external resistors are required
Bus Hold retains last active bus state during 3-state
eliminating the need for external pull-up resistors
Industrial operation at -40°C to +85°C
Packages available:
48-pin 240-mil wide plastic TSSOP (A)
48-pin 300-mil wide plastic SSOP (V)
Pericom Semiconductors PI74ALVCH series of logic circuits are
produced using the Companys advanced 0.5 micron CMOS
technology to achieve industry-leading speed grades.
The PI74ALVCHR162245 is a 16-bit bidirectional transceiver
designed for asynchronous two-way communication between data
buses. The direction control input pin (xDIR) determines the
direction of data flow through the bidirectional transceiver. The
Direction and Output Enable controls are designed to operate this
device as either two independent 8-bit transceivers or one 16-bit
transceiver. The output enable (OE) input, when HIGH, disables
both A and B ports by placing them in HIGH Z condition.
To ensure the high-impedance state during power up or power
down, OE should be tied to Vcc through a pull-up resistor; the
minimum value of the resistor is determined by the current sinking
ability of the driver.
Active bus-hold circuitry is provided to hold unused or floating
data inputs at a valid logic level.
Logic Block Diagram
1DIR
1OE
2DIR
2OE
1A0 2A0
1B0 2B0
1A1 2A1
1B1 2B1
1A2 2A2
1B2 2B2
1A3 2A3
1B3 2B3
1A4 2A4
1B4 2B4
1A5 2A5
1B5 2B5
1A6 2A6
1B6 2B6
1A7 2A7
1B7 2B7
1
PS8343
10/09/98
1 page | ||
| Páginas | Total 4 Páginas | |
| PDF Descargar | [ Datasheet PI74ALVCHR162245.PDF ] | |
Hoja de datos destacado
| Número de pieza | Descripción | Fabricantes |
| PI74ALVCHR162245 | 3.3V 16-Bit Bidirectional Transceiver with 3-State Output | Pericom Semiconductor Corporation |
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