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5962-8772501RA

更新时间： 2024-01-04 18:25:34

品牌	Logo	应用领域
德州仪器 - TI		触发器逻辑集成电路
页数	文件大小	规格书
13页	294K
描述
High-Speed CMOS Logic Octal D-Type Flip-Flop with Reset

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5962-8772501RA 数据手册

CD54HC273, CD74HC273,

CD54HCT273, CD74HCT273

Data sheet acquired from Harris Semiconductor

SCHS174B

High-Speed CMOS Logic

Octal D-Type Flip-Flop with Reset

February 1998 - Revised May 2003

Features

Description

• Common Clock and Asynchronous Master Reset

• Positive Edge Triggering

• Buffered Inputs

The ’HC273 and ’HCT273 high speed octal D-Type flip-flops

with a direct clear input are manufactured with silicon-gate

CMOS technology. They possess the low power consumption

of standard CMOS integrated circuits.

[ /Title

(CD74

HC273

CD74

HCT27

Information at the D inputis transferred to the Q outputs on

the positive-going edge of the clock pulse. All eight ﬂip-ﬂops

are controlled by a common clock (CP) and a common reset

(MR). Resetting is accomplished by a low voltage level

independent of the clock. All eight Q outputs are reset to a

logic 0.

• Fanout (Over Temperature Range)

- Standard Outputs. . . . . . . . . . . . . . . 10 LSTTL Loads

- Bus Driver Outputs . . . . . . . . . . . . . 15 LSTTL Loads

• Wide Operating Temperature Range . . . -55 C to 125 C

• Balanced Propagation Delay and Transition Times

/Sub-

ject

Ordering Information

• Signiﬁcant Power Reduction Compared to LSTTL

Logic ICs

PART NUMBER

CD54HC273F3A

CD74HC273E

TEMP. RANGE ( C)

-55 to 125

PACKAGE

20 Ld CERDIP

20 Ld PDIP

(High

Speed

CMOS

Logic

Octal

D-

• HC Types

- 2V to 6V Operation

- High Noise Immunity: N = 30%, N = 30% of V

-55 to 125

at V

= 5V

CD74HC273M

-55 to 125

20 Ld SOIC

20 Ld CERDIP

20 Ld PDIP

• HCT Types

- 4.5V to 5.5V Operation

- Direct LSTTL Input Logic Compatibility,

CD74HC273M96

CD54HCT273F3A

CD74HCT273E

CD74HCT273M

CD74HCT273M96

-55 to 125

Type

Flip-

V = 0.8V (Max), V = 2V (Min)

IL IH

-55 to 125

- CMOS Input Compatibility, I ≤ 1µA at V , V

OL OH

-55 to 125

20 Ld SOIC

-55 to 125

NOTE: When ordering, use the entire part number. The sufﬁx 96

denotes tape and reel.

Pinout

CD54HC273, CD54HCT273

(CERDIP)

CD74HC273, CD74HCT273

(PDIP, SOIC)

TOP VIEW

18 D7

17 D6

16 Q6

13 D4

11 CP

GND 10

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

12 3 4 5 6 7...13

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