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PDF PI74ALVCH162244 Data sheet ( Hoja de datos )
| Número de pieza | PI74ALVCH162244 | |
| Descripción | 16-Bit Buffer Driver | |
| Fabricantes | Pericom Semiconductor Corporation | |
| Logotipo |  |
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16-Bit Buffer Driver
with 3-State Outputs
Product Features
• PI74ALVCH162244 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
• Output ports have equivalent 26-Ohm series resistors:
no external resistors are required
• Bus Hold retains last active bus state during 3-State,
eliminating the need for external pullup resistors
• Industrial operation: –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 Semiconductor’s PI74ALVCH series of logic circuits
are produced using the Company’s advanced 0.5 micron CMOS
technology, achieving industry leading speed.
The PI74ALVCH162244 is an non-inverting 16-bit buffer/driver
designed for low voltage 2.3V to 3.6V VCC operation.
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.
The device can be used as four 4-bit buffers, two 8-bit buffers, or
one 16-bit buffer. It provides non-inverting outputs and symmetri-
cal active-low output-enable (OE) inputs.
To ensure the high-impedance state during power up or power
down, OE should be tied to VCC through a pullup resistor in which
the minimum value is determined by the current-sinking capability
of the driver.
The PI74ALVCH162244 has “Bus Hold” which retains the data
input’s last state whenever the data input goes to high-impedance
preventing “floating” inputs and eliminating the need for pullup/
down resistors.
1OE
1A0
3OE
1Y0 3A0
3Y0
1A1 1Y1 3A1 3Y1
1A2 1Y2 3A2 3Y2
1A3 1Y3 3A3 3Y3
2OE
2A0
2A1
2A2
2A3
4OE
2Y0 4A0
2Y1 4A1
2Y2 4A2
2Y3 4A3
4Y0
4Y1
4Y2
4Y3
1 PS8092B 10/15/01
1 page | ||
| Páginas | Total 4 Páginas | |
| PDF Descargar | [ Datasheet PI74ALVCH162244.PDF ] | |
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