Datasheet > QS3245H

QS3245H

更新时间： 2023-01-02 19:20:28

品牌	Logo	应用领域
艾迪悌 - IDT		/
页数	文件大小	规格书
4页	64K
描述
Bus Driver, 1-Func, 8-Bit, True Output, CMOS, CDSO20, HQSOP-20

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QS3245H 数据手册

QUICKSWITCH^®PRODUCTS

HIGH-SPEED CMOS

QUICKSWITCH^®

QS3245

QS32245

8-BIT BUS SWITCHES

FEATURES/BENEFITS

DESCRIPTION

• Enhanced N channel FET with no inherent diode to V

The QS3245 and QS32245 provide a set of eight high-speed

CMOSTTL-compatible bus switches ina pinoutcompatible with

74FCT245, 74F245, 74ALS/AS/LS245 8-bit transceivers. The

low ON resistance of the 3245 allows inputs to be connected to

outputs without adding propagation delay and without generat-

ing additional ground bounce noise. The Output Enable (OE)

signal turns the switches on similar to the OE signal of the

74’245. The QS32245 has 25Ω series resistors to reduce

ground bounce noise.

• 5Ω bidirectional switches connect inputs to outputs

• Pin compatible with the 74F245, 74FCT245, and 74FCT245T

• Low power CMOS proprietary technology

• Zero propagation delay, zero ground bounce

• Undershoot clamp diodes on all switch andcontrol inputs

• QS32245 is 25Ω version for low noise

• TTL-compatible control inputs

• Available in TSSOP, SOIC, QSOP and HQSOP

QuickSwitch devices provide an order of magnitude faster

speed than conventional logic devices.

APPLICATIONS

• Hot-docking, hot-swapping

(Application Note AN-13)

• Voltage translation

(5V to 3.3V; Application Note AN-11)

• Logic replacement (data processing)

• Power conservation

• Capacitance reduction, and isolation

• Bus isolation

• Clock gating

FUNCTIONAL BLOCK DIAGRAM

OCTOBER 1999

1999 Integrated Device Technology, Inc

DSC-XXXXXX

12 3 4

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