Datasheet > CD74FCT821A_13

CD74FCT821A_13

更新时间： 2024-09-17 02:58:35

品牌	Logo	应用领域
德州仪器 - TI		输出元件
页数	文件大小	规格书
7页	43K
描述
BiCMOS 10-BIT BUS-INTERFACE FLIP-FLOP WITH 3-STATE OUTPUTS

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CD74FCT821A_13 数据手册

CD74FCT821A,

CD74FCT822A

Data sheet acquired from Harris Semiconductor

SCHS264

BiCMOS FCT Interface Logic,

January 1997

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

Features

Description

• Buffered Inputs

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

• Typical Propagation Delay: 7.5ns at V

= 5V,

T = 25 C, C = 50pF

HIGH level to two diode drops below V . This resultant

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

• CD74FCT821A

- Noninverting

ringing (a source of EMI) and minimizes V

bounce and

• CD74FCT822A

- Inverting

ground bounce and their effects during simultaneous output

switching. The output conﬁguration also enhances switching

speed and is capable of sinking 48 milliamperes.

• SCR Latchup Resistant BiCMOS Process and

Circuit Design

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

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.

• Speed of Bipolar FAST™/AS/S

• 48mA Output Sink Current

• Output Voltage Swing Limited to 3.7V at V

• Controlled Output Edge Rates

= 5V

• Input/Output Isolation to V

• BiCMOS Technology with Low Quiescent Power

Ordering Information

TEMP.

PKG.

NO.

PART NUMBER RANGE ( C)

PACKAGE

24 Ld PDIP

24 Ld SOIC

CD74FCT821AEN

CD74FCT822AEN

CD74FCT821AM

0 to 70

E24.3

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.

Pinouts

CD74FCT821A

(PDIP, SOIC)

TOP VIEW

CD74FCT822A

(PDIP, SOIC)

TOP VIEW

23 Q0

22 Q1

21 Q2

20 Q3

19 Q4

18 Q5

17 Q6

16 Q7

15 Q8

14 Q9

13 CP

23 Q0

22 Q1

21 Q2

20 Q3

19 Q4

18 Q5

17 Q6

16 Q7

15 Q8

14 Q9

13 CP

D8 10

D9 11

D8 10

D9 11

GND 12

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

FAST™ is a trademark of Fairchild Semiconductor.

File Number 2390.2

8-1

12 3 4 5 6 7

中文翻译

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与CD74FCT821A_13相关器件

型号	品牌	获取价格	描述	数据表
CD74FCT821AE	RENESAS	获取价格	FCT SERIES, 10-BIT DRIVER, TRUE OUTPUT, PDIP24
CD74FCT821AEN	TI	获取价格	BiCMOS FCT Interface Logic, 10- Bit D-Type Flip-Flops, Three-State
CD74FCT821AEN	RENESAS	获取价格	IC,FLIP-FLOP,10-BIT,D TYPE,FCT/PCT-CMOS,DIP,24PIN,PLASTIC
CD74FCT821AF	ETC	获取价格	Logic IC
CD74FCT821AM	TI	获取价格	BiCMOS FCT Interface Logic, 10- Bit D-Type Flip-Flops, Three-State
CD74FCT821AM	RENESAS	获取价格	IC,FLIP-FLOP,10-BIT,D TYPE,FCT/PCT-CMOS,SOP,24PIN,PLASTIC
CD74FCT821AM96	RENESAS	获取价格	IC,FLIP-FLOP,10-BIT,D TYPE,FCT/PCT-CMOS,SOP,24PIN,PLASTIC
CD74FCT821AM96	TI	获取价格	BiCMOS 10-BIT BUS-INTERFACE FLIP-FLOP WITH 3-STATE OUTPUTS
CD74FCT821ATM	ROCHESTER	获取价格	FCT SERIES, 10-BIT DRIVER, TRUE OUTPUT, PDSO24
CD74FCT821ATM	RENESAS	获取价格	IC,FLIP-FLOP,10-BIT,D TYPE,FCT/PCT-CMOS,SOP,24PIN,PLASTIC

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