Datasheet > CD54HCT27

CD54HCT27

更新时间： 2024-11-19 21:58:51

品牌	Logo	应用领域
德州仪器 - TI		栅
页数	文件大小	规格书
10页	265K
描述
High-Speed CMOS Logic Triple 3-Input NOR Gate

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数据手册

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CD54HCT27 数据手册

CD54HC27, CD74HC27,

CD54HCT27, CD74HCT27

Data sheet acquired from Harris Semiconductor

SCHS132C

High-Speed CMOS Logic

Triple 3-Input NOR Gate

August 1997 - Revised September 2003

Features

Description

• Buffered Inputs

The ’HC27 and ’HCT27 logic gates utilize silicon gate CMOS

technology to achieve operating speeds similar to LSTTL

gates with the low power consumption of standard CMOS

integrated circuits. All devices have the ability to drive 10

LSTTL loads. The HCT logic family is functionally pin

compatible with the standard LS logic family.

• Typical Propagation Delay: 7ns at V

= 5V,

[ /Title

(CD74

HC27,

CD74

HCT27

)

/Sub-

ject

(High

Speed

CMOS

Logic

C = 15pF, T = 25 C

• Fanout (Over Temperature Range)

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

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

Ordering Information

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

• Balanced Propagation Delay and Transition Times

TEMP. RANGE

PART NUMBER

CD54HC27F3A

CD54HCT27F3A

CD74HC27E

( C)

PACKAGE

14 Ld CERDIP

14 Ld PDIP

14 Ld SOIC

14 Ld PDIP

14 Ld SOIC

• Signiﬁcant Power Reduction Compared to LSTTL

Logic ICs

-55 to 125

• HC Types

- 2V to 6V Operation

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

IL IH CC

CD74HC27M

at V

= 5V

CD74HC27MT

CD74HC27M96

CD74HCT27E

CD74HCT27M

CD74HCT27MT

CD74HCT27M96

• HCT Types

- 4.5V to 5.5V Operation

- Direct LSTTL Input Logic Compatibility,

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

IL IH

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

OL OH

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

denotes tape and reel. The sufﬁx T denotes a small-quantity reel

of 250.

Pinout

CD54HC27, CD54HCT27

(CERDIP)

CD74HC27, CD74HCT27

(PDIP, SOIC)

TOP VIEW

14 V

13 1C

12 1Y

11 3C

10 3B

GND

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

12 3 4 5 6 7...10

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