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PI74ALVC16334
16-Bit Universal Bus Driver
with 3-State Outputs
Product Features
聲 PI74ALVC16334 is designed for low voltage operation,
V
CC
= 2.3V to 3.6V
聲 Supports PC100 Registered DIMM
聲 Typical V
OLP
(Output Ground Bounce)
< 0.8V at V
CC
= 3.3V, T
A
= 25擄C
聲 Typical V
OHV
(Output V
OH
Undershoot)
< 2.0V at V
CC
= 3.3V, T
A
= 25擄C
聲 Industrial operation at 聳40擄C to +85擄C
聲 Packages available:
聳 48-pin 240 mil wide plastic TSSOP (A)
聳 48-pin 173 mil wide plastic TVSOP (K)
聳 48-pin 300 mil wide plastic SSOP (V)
Product Description
Pericom Semiconductor聮s PI74ALVC series of logic circuits
are produced in the Company聮s advanced 0.5 micron CMOS
technology, achieving industry leading speed.
The 16-bit PI74ALVC16334 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 LOW.
When LE is HIGH, the A data is latched if CLK is held at a high or
low logic level. If LE is HIGH, the A-data 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
1
PS8310
08/03/98
1
2
3
4
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