74VCX16821MTDX(2004) Просмотр технического описания (PDF) - Fairchild Semiconductor

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74VCX16821MTDX
(Rev.:2004)

Low Voltage 20-Bit D-Type Flip-Flops with 3.6V Tolerant Inputs and Outputs

Fairchild Semiconductor 

March 1998

Revised October 2004

74VCX16821

Low Voltage 20-Bit D-Type Flip-Flops

with 3.6V Tolerant Inputs and Outputs

General Description

The VCX16821 contains twenty non-inverting D-type flip-

flops with 3-STATE outputs and is intended for bus oriented

applications.

The 74VCX16821 is designed for low voltage (1.4V to

3.6V) VCC applications with I/O compatibility up to 3.6V.

The 74VCX16821 is fabricated with an advanced CMOS

technology to achieve high speed operation while maintain-

ing low CMOS power dissipation.

Features

s 1.4V to 3.6V VCC supply operation

s 3.6V tolerant inputs and outputs

s tPD

3.5 ns max for 3.0V to 3.6V VCC

s Power-off high impedance inputs and outputs

s Supports live insertion and withdrawal (Note 1)

s Static Drive (IOH/IOL)

±24 mA @ 3.0V VCC

s Uses patented noise/EMI reduction circuitry

s Latch-up performance exceeds 300 mA

s ESD performance:

Human body model > 2000V

Machine model > 200V

Note 1: To ensure the high-impedance state during power up or power

down, OE should be tied to VCC through a pull-up resistor; the minimum

value of the resistor is determined by the current-sourcing capability of the

driver.

Ordering Code:

Order Number Package Number

Package Descriptions

74VCX16821MTD

MTD56

56-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 6.1mm Wide

Device also available in Tape and Reel. Specify by appending suffix letter “X” to the ordering code.

Logic Symbol

Pin Descriptions

Pin Names

Description

OEn

CLKn

D0–D19

O0–O19

Output Enable Input (Active LOW)

Clock Input

Inputs

Outputs

© 2004 Fairchild Semiconductor Corporation DS500130

www.fairchildsemi.com

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