IDT54FCT166244ETEB datasheet, PDF

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IDT54FCT166244ETEB: DescriptionFCT SERIES, QUAD 4-BIT DRIVER, TRUE OUTPUT, CDFP48; Categorysemiconductor logic; File Size93KB，9 Pages; ManufacturerIDT (Integrated Device Technology, Inc.); Websitehttp://www.idt.com/

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IDT54FCT166244ETEB Overview

FCT SERIES, QUAD 4-BIT DRIVER, TRUE OUTPUT, CDFP48

IDT54FCT166244ETEB Parametric

Parameter Name	Attribute value
Number of functions	4
Number of terminals	48
Maximum operating temperature	125 Cel
Minimum operating temperature	-55 Cel
Maximum supply/operating voltage	5.5 V
Minimum supply/operating voltage	4.5 V
Rated supply voltage	5 V
Number of ports	2
Processing package description	CERPACK-48
state	ACTIVE
Craftsmanship	CMOS
packaging shape	RECTANGULAR
Package Size	FLATPACK
surface mount	Yes
Terminal form	FLAT
Terminal spacing	0.6350 mm
terminal coating	TIN LEAD
Terminal location	DUAL
Packaging Materials	CERAMIC, GLASS-SEALED
Temperature level	MILITARY
series	FCT
Output characteristics	3-ST WITH S-RES
Logic IC type	DRIVER
Number of digits	4
Output polarity	TRUE
propagation delay TPD	5.1 ns

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FAST CMOS 16-BIT

BUFFER/LINE DRIVER

Integrated Device Technology, Inc.

IDT54/74FCT16244T/AT/CT/ET

IDT54/74FCT162244T/AT/CT/ET

IDT54/74FCT166244T/AT/CT

IDT54/74FCT162H244T/AT/CT/ET

FEATURES:

• Common features:

– 0.5 MICRON CMOS Technology

– High-speed, low-power CMOS replacement for

ABT functions

–

Typical t

(o) (Output Skew) < 250ps

– Low input and output leakage

≤

1µA (max.)

– ESD > 2000V per MIL-STD-883, Method 3015;

> 200V using machine model (C = 200pF, R = 0)

– Packages include 25 mil pitch SSOP, 19.6 mil pitch

TSSOP, 15.7 mil pitch TVSOP and 25 mil pitch Cerpack

– Extended commercial range of -40°C to +85°C

• Features for FCT16244T/AT/CT/ET:

– High drive outputs (-32mA I

, 64mA I

)

– Power off disable outputs permit “live insertion”

– Typical V

OLP

(Output Ground Bounce) < 1.0V at

= 5V, T

= 25°C

• Features for FCT162244T/AT/CT/ET:

– Balanced Output Drivers:

±24mA

(commercial),

±16mA

(military)

– Reduced system switching noise

– Typical V

OLP

(Output Ground Bounce) < 0.6V at

= 5V,T

= 25°C

• Features for FCT166244T/AT/CT:

– Light Drive Balanced Output:

±8mA

(commercial),

±6mA

(military)

– Minimal system switching noise

– Typical V

OLP

(Output Ground Bounce) < 0.25V at

= 5V,T

= 25°C

• Features for FCT162H244T/AT/CT/ET:

– Bus-Hold retains last active bus state during 3-state

– Eliminates the need for external pull up resistors

DESCRIPTION:

The 16-Bit Buffer/Line Driver is for bus interface or signal buffering

applications requiring high speed and low power dissipation. These

devices have a flow through pin organization, and shrink packaging

to simplify board layout. All inputs are designed with hysteresis for

improved noise margin. The three-state controls allow independent

4-bit, 8-bit or combined 16-bit operation. These parts are plug in

replacements for 54/74ABT16244 where higher speed, lower noise

or lower power dissipation levels are desired.

The FCT16244T/AT/CT/ET are ideally suited for driving

high capacitance loads (>200pF) and low impedance

backplanes. These "high drive" buffers are designed with

power off disable capability to allow "live insertion" of boards

when used in a backplane interface.

The FCT162244T/AT/CT/ET have balanced output current

levels and current limiting resistors. These offer low ground

bounce, minimal undershoot, and controlled output fall times,

reducing the need for external series terminating resistors

while still providing very high speed operation for loads of less

than 200pF.

The FCT166244T/AT/CT are suited for very low noise,

point-to-point driving where there is a single receiver, or a very

light lumped load (<100pF). The buffers are designed to limit

the output current to levels which will avoid noise and ringing

on the signal lines without using external series terminating

resistors.

The FCT162H244T/AT/CT/ET have "Bus-Hold" which re-

tains the input's last state whenever the input goes to high

impedance. This prevents "floating" inputs and eliminates the

need for pull-up/down resistors.

FUNCTIONAL BLOCK DIAGRAM

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

2544 drw 01

2544 drw 02

MILITARY AND COMMERCIAL TEMPERATURE RANGES

Integrated Device Technology, Inc.

OCTOBER 1996

DSC-2544/9

5.2

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