IDTQS3R862 datasheet(4/5 Pages) IDT

No de pièce	IDTQS3R862

Description	QUICKSWITCH-R PRODUCTS HIGH-SPEED CMOS 10-BIT LOW RESISTANCE BUS SWITCH WITH ACTIVE HIGH AND LOW ENABLES

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Fabricant	IDT [Integrated Device Technology]

Site Internet	http://www.idt.com

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INDUSTRIALTEMPERATURERANGE

IDTQS3R862

HIGH-SPEED CMOS 10-BIT LOW RESISTANCE BUS SWITCH

NOTES:

1. For conditions shown as Min. or Max., use the appropriate values specified under DC Electrical Characteristics.

2. Typical values are at VCC = 5V and TA = 25°C.

3. Per TTL-driven input (VIN = 3.4V, control inputs only). A and B pins do not contribute to

∆Icc.

3. This current applies to the control inputs only and represents the current required to switch internal capacitance at the specified frequency. The A and B inputs generate no significant

AC or DC currents as they transition. This parameter is guaranteed but not production tested.

POWER SUPPLY CHARACTERISTICS

Symbol

Parameter

TestConditions(1)

Typ.(2)

Max.

Unit

ICCQ

Quiescent Power Supply Current

VCC = Max., VIN = GND or VCC, f = 0

0.2

3

µA

∆ICC

Power Supply Current per Input HIGH(3)

VCC = Max., VIN = 3.4V, f = 0



2.5

mA

ICCD

Dynamic Power Supply Current per MHz(4)

VCC = Max., A and B Pins Open,



0.25

mA/MHz

BE or BE Input Toggling @ 50% Duty Cycle

SWITCHING CHARACTERISTICS OVER OPERATING RANGE

TA = -40°C to +85°C, VCC = 5V ± 10%

CLOAD = 50pF, RLOAD = 500

Ω unless otherwise noted.

Symbol

Parameter

Min.(1)

Typ.

Max.

Unit

tPLH

DataPropagationDelay(2)



0.12(3)

ns

tPHL

A to B, B to A

tPZL

Switch Turn-On Delay

1.5



5.6

ns

tPZH

BE or BE to A or B

tPLZ

SwitchTurn-OffDelay(2)

1.5



4.5

ns

tPHZ

BE or BE to A or B

NOTES:

1. Minimums are guaranteed but not production tested.

2. This parameter is guaranteed but not production tested.

3. The bus switch contributes no propagation delay other than the RC delay of the ON resistance of the switch and the load capacitance. The time constant for the switch alone

is of the order of 0.12ns at CL = 50pF. Since this time constant is much smaller than the rise and fall times of typical driving signals, it adds very little propagation delay to the

system. Propagation delay of the bus switch, when used in a system, is determined by the driving circuit on the driving side of the switch and its interaction with the load on

the driven side.

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