54F191DMX

更新时间： 2024-01-27 00:09:16

品牌	Logo	应用领域
美国国家半导体 - NSC		计数器时钟
页数	文件大小	规格书
10页	176K
描述
Up/Down Binary Counter with Preset and Ripple Clock

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技术参数
数据手册

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54F191DMX 技术参数

生命周期：	Active	包装说明：	,
Reach Compliance Code：	compliant	风险等级：	5.76
Is Samacsys：	N	Base Number Matches：	1

54F191DMX 数据手册

AC Operating Requirements

74F

54F

74F

e a

25 C

5.0V

Symbol

Parameter

, V

Mil

Max

, V

A CC

Com

Max

Units

e a

Min

Max

Min

t (H)

Setup Time, HIGH or LOW

4.5

6.0

5.0

t (L)

P to PL

t (H)

Hold Time, HIGH or LOW

P to PL

2.0

t (L)

Setup Time LOW

CE to CP

10.0

10.5

10.0

t (L)

Hold Time LOW

CE to CP

t (H)

Setup Time, HIGH or LOW

U/D to CP

12.0

t (L)

t (H)

Hold Time, HIGH or LOW

U/D to CP

t (L)

(L)

PL Pulse Width LOW

CP Pulse Width LOW

6.0

5.0

8.5

7.0

6.0

5.0

(L)

Recovery Time

PL to CP

rec

6.0

7.5

6.0

Ordering Information

The device number is used to form part of a simplified purchasing code where the package type and temperature range are

defined as follows:

74F 191

Temperature Range Family

Special Variations

74F

54F

Commercial

Military

Devices shipped in 13 reels

Military grade with environmental

and burn-in processing shipped

in tubes

Device Type

Package Code

Temperature Range

Plastic DIP

Ceramic DIP

Flatpak

Leadless Ceramic Chip Carrier (LCC)

Small Outline SOIC JEDEC

Small Outline SOIC EIAJ

Commercial (0 C to 70 C)

b a

Military ( 55 C to 125 C)

1...3 4 567 8 9 10

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