MILITARYANDCOMMERCIAL TEMPERATURERANGES

IDT54/74FCT823A/B/C

HIGH-PERFORMANCECMOSBUFFER

1

JUNE 2002

MILITARY AND COMMERCIAL TEMPERATURE RANGES

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

© 2002 Integrated Device Technology, Inc.

DSC-5426/3

FEATURES:

• Equivalent to AMD's Am29823 bipolar registers in pinout/

function, speed, and output drive over full temperature and

voltage supply extremes

• IDT54/74FCT823A equivalent to FAST™ speed

• IDT54FCT823B 25% faster than FAST

• IDT74FCT823C 40% faster than FAST

• Buffered common Clock Enable (EN) and Asynchronous Clear

Input (CLR)

• 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 bilopar

Am29800 series (5

µµµµµA max.)

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

• Available in the following packages:

– Commercial: SOIC

– Military: CERDIP, LCC

FUNCTIONAL BLOCK DIAGRAM

DESCRIPTION:

The FCT823 series is built using an advanced dual metal CMOS

technology. The FCT823 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

FCT823 is a 9-bit wide buffered register with Clock Enable (EN) and Clear

(CLR) – ideal for parity bus interfacing in high-performance microprogram-

medsystems.

The FCT823 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.

IDT54/74FCT823A/B/C

HIGH PERFORMANCE

CMOS BUS INTERFACE

REGISTER

D

CP

Q

Q

CL

D

CP

Q

Q

CL

EN

CLR

CP

OE

14

11

13

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