CD74FCT821AM datasheet(1/7 Pages) TI

tên linh kiện	CD74FCT821AM

Giải thích chi tiết về linh kiện	BiCMOS FCT Interface Logic, 10- Bit D-Type Flip-Flops, Three-State

PDF	7 Pages

Scroll/Zoom	100%

nhà sản xuất	TI [Texas Instruments]

Trang chủ	http://www.ti.com

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8-1

Data sheet acquired from Harris Semiconductor

SCHS264

Features

• Buffered Inputs

• Typical Propagation Delay: 7.5ns at VCC = 5V,

TA = 25

oC, C

L = 50pF

• CD74FCT821A

- Noninverting

• CD74FCT822A

- Inverting

• 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 CD74FCT821A and CD74FCT822A ten bit, D-Type,

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

geometry BiCMOS technology. The output stage is a combi-

nation of bipolar and CMOS transistors that limits the output

HIGH level to two diode drops below VCC. This resultant

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 ten 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

CD74FCT821A and CD74FCT822A share the same conﬁg-

urations, but the CD74FCT821A outputs are noninverted

while the CD74FCT822A devices have inverted outputs.

Ordering Information

Pinouts

PART NUMBER

TEMP.

RANGE (oC)

PACKAGE

PKG.

NO.

CD74FCT821AEN

0 to 70

24 Ld PDIP

E24.3

CD74FCT822AEN

0 to 70

24 Ld PDIP

E24.3

CD74FCT821AM

0 to 70

24 Ld SOIC

M24.3

NOTE: When ordering the sufﬁx M packages, use the entire part

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

CD74FCT821A

(PDIP, SOIC)

TOP VIEW

CD74FCT822A

(PDIP, SOIC)

TOP VIEW

1

2

3

4

5

6

7

8

9

10

11

12

OE

D0

D1

D2

D3

D4

D5

D6

D7

D8

D9

GND

16

17

18

19

20

21

22

23

24

15

14

13

VCC

Q1

Q2

Q3

Q4

Q6

Q8

Q9

CP

Q0

Q5

Q7

1

2

3

4

5

6

7

8

9

10

11

12

16

17

18

19

20

21

22

23

24

15

14

13

OE

D0

D1

D2

D3

D4

D5

D6

D7

D8

D9

GND

VCC

Q1

Q2

Q3

Q4

Q6

Q8

Q9

CP

Q0

Q5

Q7

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

CD74FCT821A,

CD74FCT822A

BiCMOS FCT Interface Logic,

10- Bit D-Type Flip-Flops, Three-State

File Number

2390.2

NOT RECOMMENDED

FOR NEW

DESIGNS

Use CMOS

Technology

Số phần tương tự - CD74FCT821AM

nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
Texas Instruments	CD74FCT821AM	223Kb / 9P	BiCMOS 10-BIT BUS-INTERFACE FLIP-FLOP WITH 3-STATE OUTPUTS
Texas Instruments	CD74FCT821AM96	223Kb / 9P	BiCMOS 10-BIT BUS-INTERFACE FLIP-FLOP WITH 3-STATE OUTPUTS

More results

Mô tả tương tự - CD74FCT821AM

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