SN74LS126AJS [MOTOROLA]

LS SERIES, QUAD 1-BIT DRIVER, TRUE OUTPUT, CDIP14, CERAMIC, DIP-14;


型号：	SN74LS126AJS
厂家：	MOTOROLA
描述：	LS SERIES, QUAD 1-BIT DRIVER, TRUE OUTPUT, CDIP14, CERAMIC, DIP-14
文件：	总5页 (文件大小：161K)
中文：	中文翻译
下载：	下载PDF数据表文档文件

SN54/74LS125A

SN54/74LS126A

QUAD 3-STATE BUFFERS

LOW POWER SCHOTTKY

LS125A

J SUFFIX

CERAMIC

CASE 632-08

N SUFFIX

PLASTIC

CASE 646-06

D SUFFIX

SOIC

CASE 751A-02

LS126A

TRUTH TABLES

LS125A

LS126A

ORDERING INFORMATION

INPUTS

SN54LSXXXJ Ceramic

SN74LSXXXN Plastic

SN74LSXXXD SOIC

OUTPUT

(Z)

L = LOW Voltage Level

H = HIGH Voltage Level

X = Don’t Care

(Z) = High Impedance (off)

GUARANTEED OPERATING RANGES

Symbol

Parameter

Min

Typ

Max

Unit

Supply Voltage

4.5

4.75

5.0

5.5

5.25

Operating Ambient Temperature Range

Output Current — High

–55

125

°C

–1.0

–2.6

Output Current — Low

FAST AND LS TTL DATA

5-207

SN54/74LS125A • SN54/74LS126A

DC CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE (unless otherwise specified)

Limits

Min

Typ

Max

Symbol

Parameter

Input HIGH Voltage

Unit

Test Conditions

Guaranteed Input HIGH Voltage for

All Inputs

2.0

0.7

0.8

Guaranteed Input LOW Voltage for

All Inputs

Input LOW Voltage

Input Clamp Diode Voltage

Output HIGH Voltage

–0.65

–1.5

= MIN, I = –18 mA

2.4

= MIN, I

= MAX, V = V

IN IH

or V per Truth Table

= V

MIN,

54, 74

0.25

0.35

0.4

0.5

= 12 mA

= 24 mA

= V or V

Output LOW Voltage

IL IH

per Truth Table

Output Off Current HIGH

Output Off Current LOW

–20

µA

= MAX, V

= 2.4 V

= 0.4 V

OZH

OUT

OZL

OUT

µA

= MAX, V = 2.7 V

Input HIGH Current

0.1

= MAX, V = 7.0 V

Input LOW Current

–0.4

–225

= MAX, V = 0.4 V

Short Circuit Current (Note 1)

–40

= MAX

LS125A

LS126A

= 0 V, V = 4.5 V

Power Supply Current

= MAX

= 0 V, V = 0 V

Note 1: Not more than one output should be shorted at a time, nor for more than 1 second.

AC CHARACTERISTICS (T = 25°C)

Limits

Typ

9.0

7.0

8.0

Min

Max

Symbol

Parameter

Unit

Test Conditions

LS125A

LS126A

LS125A

LS126A

LS125A

LS126A

LS125A

LS126A

LS125A

LS126A

LS125A

LS126A

PLH

PHL

Propagation Delay,

Data to Output

Figure 2

= 5.0 V

= 45 pF

= 667 Ω

Output Enable Time

to HIGH Level

Figures 4, 5

Figures 3, 5

Figures 4, 5

FIgures 3, 5

PZH

PZL

PHZ

PLZ

Output Enable Time

to LOW Level

Output Disable Time

from HIGH Level

= 5.0 V

= 5.0 pF

= 667 Ω

Output Disable Time

from LOW Level

FAST AND LS TTL DATA

5-208

SN54/74LS125A • SN54/74LS126A

Figure 1

Figure 2

≈

Figure 3

Figure 4

Ω

Figure 5

SWITCH POSITIONS

SYMBOL

SW1

Open

SW2

Closed

Open

PZH

PZL

PLZ

PHZ

Closed

FAST AND LS TTL DATA

5-209

Case 751A-02 D Suffix

14-Pin Plastic

SO-14

-A-

-B-

R X 45°

Case 632-08 J Suffix

14-Pin Ceramic Dual In-Line

-A-

-B-

-T-

Case 646-06 N Suffix

14-Pin Plastic

FAST AND LS TTL DATA

5-210

Motorolareserves the right to make changes without further notice to any products herein. Motorola makes no warranty, representationorguaranteeregarding

the suitability of its products for any particular purpose, nor does Motorola assume any liability arising out of the application or use of any product or circuit,

andspecifically disclaims any and all liability, includingwithoutlimitationconsequentialorincidentaldamages. “Typical” parameters can and do vary in different

applications. All operating parameters, including “Typicals” must be validated for each customer application by customer’s technical experts. Motorola does

not convey any license under its patent rights nor the rights of others. Motorola products are not designed, intended, or authorized for use as components in

systems intended for surgical implant into the body, or other applications intended to support or sustain life, or for any other application in which the failure of

the Motorola product could create a situation where personal injury or death may occur. Should Buyer purchase or use Motorola products for any such

unintendedor unauthorized application, Buyer shall indemnify and hold Motorola and its officers, employees, subsidiaries, affiliates, and distributors harmless

against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death

associated with such unintended or unauthorized use, even if such claim alleges that Motorola was negligent regarding the design or manufacture of the part.

Motorola and

are registered trademarks of Motorola, Inc. Motorola, Inc. is an Equal Opportunity/Affirmative Action Employer.

Literature Distribution Centers:

USA: Motorola Literature Distribution; P.O. Box 20912; Phoenix, Arizona 85036.

EUROPE: Motorola Ltd.; European Literature Centre; 88 Tanners Drive, Blakelands, Milton Keynes, MK14 5BP, England.

JAPAN: Nippon Motorola Ltd.; 4-32-1, Nishi-Gotanda, Shinagawa-ku, Tokyo 141, Japan.

ASIA PACIFIC: Motorola Semiconductors H.K. Ltd.; Silicon Harbour Center, No. 2 Dai King Street, Tai Po Industrial Estate, Tai Po, N.T., Hong Kong.

FAST AND LS TTL DATA

5-211

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