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PDF PI74ALVCH16245 Data sheet ( Hoja de datos )
| Número de pieza | PI74ALVCH16245 | |
| Descripción | 3.3V 16-Bit Bidirectional Transceiver | |
| Fabricantes | Pericom Semiconductor Corporation | |
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PI74ALVCH16245
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3.3V 16-Bit Bidirectional Transceiver
with 3-State Outputs
Product Features
• PI74ALVCH16245 is designed for low voltage operation
• VCC = 2.3V to 3.6V
• Hysteresis on all inputs
• Typical VOLP (Output Ground Bounce)
www.DataShe<et40U.8.cVomat VCC = 3.3V, TA = 25°C
• Typical VOHV (Output VOH Undershoot)
< 2.0V at VCC = 3.3V, TA = 25°C
• 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:
48-pin 240 mil wide plastic TSSOP (A)
48-pin 300 mil wide plastic SSOP (V)
Logic Block Diagram
Product Description
Pericom Semiconductors PI74ALVCH series of logic circuits are
produced using the Companys advanced 0.5 micron CMOS
technology, achieving industry leading speed grades.
The PI74ALVCH16245 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.
1DIR
1A0
1A1
1A2
1A3
1A4
1A5
1A6
1A7
1OE
1B0
1B1
1B2
1B3
1B4
1B5
1B6
1B7
2DIR
2A0
2A1
2A2
2A3
2A4
2A5
2A6
2A7
2OE
2B0
2B1
2B2
2B3
2B4
2B5
2B6
2B7
PS8088C 04/10/00
1
1 page | ||
| Páginas | Total 4 Páginas | |
| PDF Descargar | [ Datasheet PI74ALVCH16245.PDF ] | |
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| PI74ALVCH16245 | 3.3V 16-Bit Bidirectional Transceiver | Pericom Semiconductor Corporation |
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