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PDF PI74ALVC162835 Data sheet ( Hoja de datos )
| Número de pieza | PI74ALVC162835 | |
| Descripción | 16-Bit Universal Bus Driver | |
| Fabricantes | Pericom Semiconductor Corporation | |
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PI74ALVC162835
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18-Bit Universal Bus Driver
with 3-State Outputs
Product Features
• PI74ALVC162835 is designed for low voltage operation,
VCC = 2.3V to 3.6V
• Outputs have equivalent 26Ω series resistors
www.DataS•heSetu4pUp.coormts PC100 Registered DIMM
• 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
• Industrial operation at –40°C to +85°C
• Packages available:
– 56-pin 240 mil wide plastic TSSOP (A)
– 56-pin 173 mil wide plastic TVSOP (K)
– 56-pin 300 mil wide plastic SSOP (V)
Product Description
Pericom Semiconductor’s PI74ALVC series of logic circuits
are produced in the Company’s advanced 0.5 micron CMOS
technology, achieving industry leading speed.
The 18-bit PI74ALVC162835 universal bus driver is designed
for 2.3V to 3.6V Vcc operation.
Data flow from A to Y is controlled by Output Enable (OE).
The device operates in the transparent mode when LE is HIGH. The
A data is latched if CLK is held at a high or low logic level. If LE is
LOW, the A-bus is stored in the latch/flip-flop on the low-to-high
transition of CLK. When OE is HIGH, the outputs 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; the minimum
value of the resistor is determined by the current-sinking capability
of the driver.
Logic Block Diagram
27
OE
30
CLK
28
LE
54
A1
1D
C1
CLK
3 Y1
TO 17 OTHER CHANNELS
1 PS8179A 02/03/99
1 page  
PI74ALVC162835
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Switching Characteristics Over Operating Range(1)
Parameters
From
To VCC = 2.5V ± 0.2V
(Input) (Output) Min.
Max.
VCC = 2.7V
Min. Max.
VCC = 3.3V ±0.3V
Units
Min. Max.
fMAX
150
150 150
MHz
tPD A Y 1 5
tPD LE Y 1.3 5.9
51
5.8 1.3
4.2
5.1
tPD CLK Y 1.4 6.3
6.1 1.4
5.4 ns
www.DataSheet4UtE.cNom OE Y
tDIS OE Y
1.4 6.3
1 4.9
6.5 1.1
4.9 1.3
Notes:
1. Unused control inputs must be held HIGH or LOW to prevent them from floating.
5.5
4.5
Switching Characteristics, from 0ºC to 65ºC, CL = 50pF
Parameter
tPD
From
(Input)
A
CLK
To
(Output)
Y
VCC = 3.3V ± 0.15V
Min.
1
1.9
Max.
4
5
Units
ns
Operating Characteristics, TA = 25°C
Parameters
Test
Conditions
CPD Power Dissipation Outputs Enabled
Capacitance
Outputs Disabled
CL= 0pF,
F = 10 MHz
VCC = 2.5V ± 0.2V
Typical
35.5
12.5
VCC = 3.3V ± 0.3V
Typical
40
14
Units
pF
Pericom Semiconductor Corporation
2380 Bering Drive • San Jose, CA 95131 • 1-800-435-2336 • Fax (408) 435-1100 • http://www.pericom.com
5 PS8179A 02/03/99
5 Page | ||
| Páginas | Total 5 Páginas | |
| PDF Descargar | [ Datasheet PI74ALVC162835.PDF ] | |
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