IDT54FCT821ALSO datasheet, PDF

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IDT54FCT821ALSO: DescriptionHIGH PERFORMANCE CMOS BUS INTERFACE REGISTER; File Size76KB，7 Pages; ManufacturerIDT (Integrated Device Technology, Inc.); Websitehttp://www.idt.com/

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IDT54FCT821ALSO Overview

HIGH PERFORMANCE CMOS BUS INTERFACE REGISTER

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IDT54/74FCT821/A/B

HIGH PERFORMANCE CMOS BUS INTERFACE REGISTER

MILITARY AND COMMERCIAL TEMPERATURE RANGES

HIGH PERFORMANCE

CMOS BUS INTERFACE

FEATURES:

DESCRIPTION:

IDT54/74FCT821A/B

• Equivalent to AMD’s Am29821-25 bipolar registers in pinout/

function, speed and output drive over full temperature and

voltage supply extremes

• IDT54/74FCT821A equivalent to FAST™ speed

• IDT54/74FCT821B 25% faster than FAST

• I

= 48mA (commercial) and 32mA (military)

• Clamp diodes on all inputs for ringing suppression

• CMOS power levels (1mW typ. static)

• TTL input and output compatibility

• CMOS output level compatible

• Substantially lower input current levels than AMD’s bipolar

Am29800 series (5µA max.)

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

• Available in the following packages:

– Commercial: SOIC

– Military: CERDIP, LCC

The FCT821 series is built using an advanced dual metal CMOS

technology. The FCT821 series bus interface registers are designed to

eliminate the extra packages required to buffer existing registers and

provide extra data width for wider address/data paths or buses carrying

parity. The 74FCT821 is a buffered, 10-bit wide version of the popular

FCT374 function.

The FCT821 high-performance interface family is designed for high-

capacitance load drive capability, while providing low-capacitance bus

loading at both inputs and outputs. All inputs have clamp diodes and all

outputs are designed for low-capacitance bus loading in high-impedance

state.

FUNCTIONAL BLOCK DIAGRAM

TO NINE OTHER CHANNELS

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

MILITARY AND COMMERCIAL TEMPERATURE RANGES

JUNE 2002

DSC-5427/2

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