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IDT54FCT623AT

更新时间： 2024-11-15 23:08:19

品牌	Logo	应用领域
艾迪悌 - IDT		总线收发器
页数	文件大小	规格书
6页	106K
描述
FAST CMOS OCTAL BUS TRANSCEIVERS (3-STATE)

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IDT54FCT623AT 数据手册

IDT54/74FCT623T/AT/CT

FAST CMOS OCTAL BUS TRANSCEIVERS (3-STATE)

IDT54/74FCT623T/AT/CT

FAST CMOS OCTAL

BUS TRANSCEIVERS

(3-STATE)

Integrated Device Technology, Inc.

DESCRIPTION

FEATURES:

The FCT623T/AT/CT is a non-inverting octal transceiver

with 3-state bus-driving outputs in both the send and receive

directions.TheBbusoutputsarecapableofsinking64mAand

sourcing up to 15mA, providing very good capacitive drive

characteristics.

• Std., A and C speed grades

• Low input and output leakage ≤1µA (max.)

• CMOS power levels

• True TTL input and output compatibility

– VOH = 3.3V (typ.)

These octal bus transceivers are designed for asynchro-

noustwo-waycommunicationbetweendatabuses.Thecontrol

function implementation allows for maximum flexibility in

timing.

One important feature of the FCT623T/AT/CT is the Power

Down Disable capability. When the GAB and GBA inputs are

conditioned to put the device in high-Z state, the I/O ports will

maintain high impedance during power supply ramps and

when VCC = 0V. This is a desirable feature in back-plane

applications where it may be necessary to perform “live”

insertion and removal of cards for on-line maintenance. It is

also a benefit in systems with multiple redundancy where one

or more redundant cards may be powered-off.

– VOL = 0.3V (typ.)

• High drive outputs (-15mA IOH, 64mA IOL)

• Power off disable outputs permit “live insertion”

• Meets or exceeds JEDEC standard 18 specifications

• Product available in Radiation Tolerant and Radiation

Enhanced versions

• Military product compliant to MIL-STD-883, Class B

and DESC listed (dual marked)

• Available in DIP, SOIC, CERPACK and LCC packages

FUNCTIONAL BLOCK DIAGRAM

GBA

GAB

B2 - B8

A2 - A8

7 other transceivers

2563 drw 01

The IDT logo is a registered trademark of Integrated Device Technology, Inc.

MILITARY AND COMMERCIAL TEMPERATURE RANGES

NOVEMBER 1995

1996 Integrated Device Technology, Inc.

6.19

DSC-2563/5

12 3 4 5 6

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