CD74FCT574 datasheet(1/5 Pages) TI

No de pièce	CD74FCT574

Description	BiCMOS FCT Interface Logic, Octal D-Type Flip-Flops, Three-State

PDF	5 Pages

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Fabricant	TI [Texas Instruments]

Site Internet	http://www.ti.com

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1 / 5 page

8-1

Data sheet acquired from Harris Semiconductor

SCHS259

Features

• Buffered Inputs

• Typical Propagation Delay: 5.6ns at VCC = 5V,

TA = 25

oC

• Positive Edge Triggered

• CD74FCT564

- Inverting

• CD74FCT574

- Noninverting

• SCR Latchup Resistant BiCMOS Process and

Circuit Design

• Speed of Bipolar FAST™/AS/S

• 48mA Output Sink Current

• Output Voltage Swing Limited to 3.7V at VCC = 5V

• Controlled Output Edge Rates

• Input/Output Isolation to VCC

• BiCMOS Technology with Low Quiescent Power

Description

The CD74FCT564 and CD74FCT574 are octal D-Type,

three-state, positive edge triggered ﬂip-ﬂops which use a

small geometry BiCMOS technology. The output stage is a

combination of bipolar and CMOS transistors that limits the

output HIGH level to two diode drops below VCC. This result-

ant lowering of output swing (0V to 3.7V) reduces power bus

ringing (a source of EMI) and minimizes VCC bounce and

ground bounce and their effects during simultaneous output

switching. The output conﬁguration also enhances switching

speed and is capable of sinking 48 milliamperes.

The eight ﬂip-ﬂops enter data into their registers on the LOW

to HIGH transition of the clock (CP). The Output Enable (OE)

controls the three state outputs and is independent of the

register operation. When the Output Enable (OE) is HIGH,

the

outputs

are

in

the

high

impedance

state.

The

CD74FCT564 and CD74FCT574 share the same conﬁgura-

tions; the CD74FCT564, however, has inverted outputs and

the CD74FCT574 has noninverted outputs.

Pinouts

Ordering Information

PART NUMBER

TEMP.

RANGE (oC)

PACKAGE

PKG.

NO.

CD74FCT564E

0 to 70

20 Ld PDIP

E20.3

CD74FCT574E

0 to 70

20 Ld PDIP

E20.3

CD74FCT564M

0 to 70

20 Ld SOIC

M20.3

CD74FCT574M

0 to 70

20 Ld SOIC

M20.3

CD74FCT574SM

0 to 70

20 Ld SSOP

M20.209

NOTE: When ordering the suffix M and SM packages, use the entire

part number. Add the suffix 96 to obtain the variant in the tape and reel.

CD74FCT564

(PDIP, SOIC, SSOP)

TOP VIEW

CD74FCT574

(PDIP, SOIC, SSOP)

TOP VIEW

11

12

13

14

15

16

17

18

20

19

10

9

8

7

6

5

4

3

2

1

OE

D0

D1

D2

D3

D4

D6

D5

D7

GND

VCC

Q1

Q2

Q3

Q4

Q5

Q6

Q7

CP

Q0

11

12

13

14

15

16

17

18

20

19

10

9

8

7

6

5

4

3

2

1

OE

D0

D1

D2

D3

D4

D6

D5

D7

GND

VCC

Q1

Q2

Q3

Q4

Q5

Q6

Q7

CP

Q0

January 1997

CAUTION: These devices are sensitive to electrostatic discharge. Users should follow proper IC Handling Procedures.

FAST™ is a trademark of Fairchild Semiconductor.

Copyright

CD74FCT564,

CD74FCT574

BiCMOS FCT Interface Logic,

Octal D-Type Flip-Flops, Three-State

File Number

2295.2

NOT RECOMMENDED

FOR NEW

DESIGNS

Use CMOS

Technology

Numéro de pièce similaire - CD74FCT574

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	CD74FCT574E	516Kb / 11P	BiCMOS OCTAL EDGE-TRIGGERED D-TYPE FLIP-FLOP WITH 3-STATE OUTPUTS
	CD74FCT574M	516Kb / 11P	BiCMOS OCTAL EDGE-TRIGGERED D-TYPE FLIP-FLOP WITH 3-STATE OUTPUTS
	CD74FCT574M96	516Kb / 11P	BiCMOS OCTAL EDGE-TRIGGERED D-TYPE FLIP-FLOP WITH 3-STATE OUTPUTS
	CD74FCT574SM	516Kb / 11P	BiCMOS OCTAL EDGE-TRIGGERED D-TYPE FLIP-FLOP WITH 3-STATE OUTPUTS

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