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PI3B3125
PI3B3126
3.3V, Hot Insertion, 4-Bit,
2-Port Bus Switch
with Individual Enables
Product Features
聲 Near zero propagation delay
聲 5 Ohm switches connect inputs to outputs
聲 Fast Switching Speed - 4ns max.
聲
聲
Permits Hot Insertion
Ultra Low Quiescent Power (0.1碌A(chǔ) Typical)
聳 Ideally suited for notebook applications
Product Description
Pericom Semiconductor聮s PI3B series of logic circuits are produced
using the Company聮s advanced sub micron CMOS technology,
achieving industry leading speed grades.
The PI3B3125 and PI3B3126 are 3.3 Volt, 4-bit bus switches designed
with four individual 5Ohm bus switches with fast indiviual enables
in an industry standard 74XX125/126 pinout. When enabled via the
associated Bus Enable (BE) pin, the 聯(lián)A聰 pin is directly connected to
the 聯(lián)B聰 pin for that particular gate. The bus switch introduces no
additional propagation delay or additional ground bounce noise.
The PI3B3125 device has active LOW enables, and the PI3B3126 has
active HIGH enables.
聲 Packages available:
聳 14-pin 150 mil wide plastic SOIC (W)
聳 14-pin 170 mil wide plastic TSSOP (L)
聳 16-pin 150 mil wide plastic QSOP (Q)
PI3B3125 Logic Block Diagram
A0
BE0
A1
BE1
A2
BE2
A3
BE3
B3
B2
B1
B0
PI3B3126 Logic Block Diagram
A0
BE0
A1
BE1
A2
BE2
A3
BE3
B3
B2
B1
B0
1
PS8153D
01/05/00
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