74FCT2574CTSOCTE4 datasheet, PDF

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74FCT2574CTSOCTE4: DescriptionFCT SERIES, 8-BIT DRIVER, TRUE OUTPUT, PDSO20; Categorysemiconductor logic; File Size311KB，15 Pages; ManufacturerCONEXANT; Websitehttp://www.conexant.com/

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74FCT2574CTSOCTE4 Overview

FCT SERIES, 8-BIT DRIVER, TRUE OUTPUT, PDSO20

74FCT2574CTSOCTE4 Parametric

Parameter Name	Attribute value
Number of functions	1
Number of ports	2
Number of terminals	20
Minimum operating temperature	-40 Cel
Maximum operating temperature	85 Cel
Rated supply voltage	5
Minimum supply/operating voltage	4.75 V
Maximum supply/operating voltage	5.25 V
Processing package description	GREEN, PLASTIC, QSOP-20
each_compli	Yes
EU RoHS regulations	Yes
China RoHS regulations	Yes
state	Active
Logic IC type	BUS DRIVER
sub_category	FF/Latches
series	FCT
jesd_30_code	R-PDSO-G20
jesd_609_code	e4
load_capacitance__cl_	50 pF
max_i_ol_	0.0120 Am
moisture_sensitivity_level	2
Number of digits	8
Output characteristics	3-STATE
Output polarity	TRUE
Packaging Materials	PLASTIC/EPOXY
ckage_code	SSOP
ckage_equivalence_code	SSOP20,.25
packaging shape	RECTANGULAR
Package Size	SMALL OUTLINE, SHRINK PITCH
cking_method	TAPE AND REEL
eak_reflow_temperature__cel_	260
wer_supplies__v_	5
._delay_nom_su	6.5 ns
propagation delay TPD	6.5 ns
qualification_status	COMMERCIAL
seated_height_max	1.75 mm
surface mount	YES
Craftsmanship	CMOS
Temperature level	INDUSTRIAL
terminal coating	NICKEL PALLADIUM GOLD
Terminal form	GULL WING
Terminal spacing	0.6350 mm
Terminal location	DUAL
ime_peak_reflow_temperature_max__s_	NOT SPECIFIED
Trigger type	POSITIVE EDGE
length	8.65 mm
width	3.9 mm

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CY74FCT2374T

8-BIT REGISTER

WITH 3-STATE OUTPUTS

SCCS040A – SEPTEMBER 1994 – REVISED OCTOBER 2001

Function and Pinout Compatible With FCT

and F Logic

25-Ω Output Series Resistors to Reduce

Transmission-Line Reflection Noise

Reduced V

(Typically = 3.3 V) Version of

Equivalent FCT Functions

Edge-Rate Control Circuitry for

Significantly Improved Noise

Characteristics

off

Supports Partial-Power-Down Mode

Operation

Matched Rise and Fall Times

Fully Compatible With TTL Input and

Output Logic Levels

ESD Protection Exceeds JESD 22

– 2000-V Human-Body Model (A114-A)

– 200-V Machine Model (A115-A)

– 1000-V Charged-Device Model (C101)

3-State Outputs

12-mA Output Sink Current

15-mA Output Source Current

Edge-Triggered D-Type Inputs

250-MHz Typical Switching Rate

SN74FCT2374T . . . Q OR SO PACKAGE

(TOP VIEW)

GND

description

The CY74FCT2374T is a high-speed, low-power, octal D-type flip-flop featuring separate D-type inputs for each

flip-flop. On-chip termination resistors at the outputs reduce system noise caused by reflections. The

CY74FCT2374T can replace the CY74FCT374T to reduce noise in an existing design. The device has 3-state

outputs for bus-oriented applications. A buffered clock (CP) and output-enable (OE) inputs are common to all

flip-flops. The flip-flops in the CY74FCT2374T store the state of their individual data (D) inputs that meet the

setup-time and hold-time requirements on the low-to-high CP transition. When OE is low, the contents of the

flip-flops are available at the outputs. When OE is high, the outputs are in the high-impedance state. The state

of OE does not affect the state of the flip-flops.

This device is fully specified for partial-power-down applications using I

off

. The I

off

circuitry disables the outputs,

preventing damaging current backflow through the device when it is powered down.

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of

Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.



2001, Texas Instruments Incorporated

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of Texas Instruments

standard warranty. Production processing does not necessarily include

testing of all parameters.

POST OFFICE BOX 655303

•

DALLAS, TEXAS 75265

CY74FCT2374T

8-BIT REGISTER

WITH 3-STATE OUTPUTS

SCCS040A – SEPTEMBER 1994 – REVISED OCTOBER 2001

absolute maximum rating over operating free-air temperature range (unless otherwise noted)

†

Supply voltage range to ground potential . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.5 V to 7 V

DC input voltage range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.5 V to 7 V

DC output voltage range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.5 V to 7 V

DC output current (maximum sink current/pin) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120 mA

Package thermal impedance,

(see Note 1): Q package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68°C/W

SO package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58°C/W

Ambient temperature range with power applied, T

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –65°C to 135°C

Storage temperature range, T

stg

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –65°C to 150°C

† Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and

functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not

implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.

NOTE 1: The package thermal impedance is calculated in accordance with JESD 51-7.

recommended operating conditions (see Note 2)

MIN

VCC

VIH

VIL

IOH

IOL

Supply voltage

High-level input voltage

Low-level input voltage

High-level output current

Low-level output current

Operating free-air temperature

–40

4.75

0.8

– 15

NOM

MAX

5.25

UNIT

°C

NOTE 2: All unused inputs of the device must be held at VCC or GND to ensure proper device operation.

POST OFFICE BOX 655303

•

DALLAS, TEXAS 75265

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