74F20 [FAIRCHILD]

Dual 4-Input NAND Gate; 两个4输入与非门


型号：	74F20
厂家：	FAIRCHILD SEMICONDUCTOR
描述：	Dual 4-Input NAND Gate 两个4输入与非门栅
文件：	总4页 (文件大小：51K)
中文：	中文翻译
下载：	下载PDF数据表文档文件

April 1988

Revised July 1999

74F20

Dual 4-Input NAND Gate

General Description

This device contains two independent gates, each of which

performs the logic NAND function.

Ordering Code:

Order Number Package Number

Package Description

74F20SC

74F20SJ

74F20PC

M14A

M14D

N14A

14-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-120, 0.150 Narrow

14-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide

14-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide

Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.

Logic Symbol

Connection Diagram

IEEE/IEC

Unit Loading/Fan Out

Input I_IH/I_IL

U.L.

Pin Names

Description

Output I_OH/I_OL

HIGH/LOW

1.0/1.0

A_n, B_n, C_n, D_n

O_n

Inputs

Outputs

20 µA/−0.6 mA

−1 mA/20 mA

50/33.3

DS009462

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Absolute Maximum Ratings(Note 1)

Recommended Operating

Conditions

Storage Temperature

−65°C to +150°C

Ambient Temperature under Bias

Junction Temperature under Bias

−55°C to +125°C

−55°C to +150°C

−0.5V to +7.0V

Free Air Ambient Temperature

Supply Voltage

0°C to +70°C

+4.5V to +5.5V

V_CCPin Potential to Ground Pin

Input Voltage (Note 2)

Input Current (Note 2)

Voltage Applied to Output

in HIGH State (with V_CC= 0V)

Standard Output

−0.5V to +7.0V

−30 mA to +5.0 mA

Note 1: Absolute maximum ratings are values beyond which the device

may be damaged or have its useful life impaired. Functional operation

under these conditions is not implied.

−0.5V to V_CC

3-STATE Output

−0.5V to +5.5V

Note 2: Either voltage limit or current limit is sufficient to protect inputs.

Current Applied to Output

in LOW State (Max)

twice the rated I_OL(mA)

DC Electrical Characteristics

V_CC

Symbol

V_IH

Parameter

Input HIGH Voltage

Min

Typ

Max

Units

Conditions

2.0

Recognized as a HIGH Signal

Recognized as a LOW Signal

V_IL

Input LOW Voltage

Input Clamp Diode Voltage

Output HIGH

0.8

V_CD

V_OH

−1.2

Min

_IN= −18 mA

_OH= −1 mA

10% V_CC

5% V_CC

2.5

2.7

Voltage

V_OL

Output LOW

10% V_CC

0.5

5.0

7.0

Min

Max

0.0

_OL= 20 mA

Voltage

I_IH

Input HIGH

µA

_IN= 2.7V

_IN= 7.0V

_OUT= V_CC

Current

I_BVI

I_CEX

V_ID

I_OD

Input HIGH Current

Breakdown Test

Output HIGH

Leakage Current

Input Leakage

Test

_ID= 1.9 µA

4.75

All other pins grounded

V_IOD= 150 mV

Output Leakage

Circuit Current

Input LOW Current

Output Short-Circuit Current

Power Supply Current

3.75

µA

0.0

All other pins grounded

I_IL

−0.6

−150

1.4

Max

_IN= 0.5V

_OUT= 0V

_O= HIGH

_O= LOW

I_OS

I_CCH

I_CCL

−60

0.9

3.4

5.1

AC Electrical Characteristics

T_A= +25°C

V_CC= +5.0V

_A= −55° to +125°C

T_A= 0°C to +70°C

V_CC= +5.0V

_CC= +5.0V

_L= 50 pF

Max

Symbol

Parameter

Units

C_L= 50 pF

Min

2.4

1.5

Typ

3.7

3.2

Max

5.0

Min

2.0

1.5

Min

2.4

1.5

Max

t_PLH

t_PHL

Propagation Delay

A_n, B_n, C_n, D_nto O_n

7.0

6.5

6.0

5.3

4.3

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Physical Dimensions inches (millimeters) unless otherwise noted

14-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-120, 0.150 Narrow

Package Number M14A

14-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide

Package Number M14D

www.fairchildsemi.com

Physical Dimensions inches (millimeters) unless otherwise noted (Continued)

14-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide

Package Number N14A

Fairchild does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and

Fairchild reserves the right at any time without notice to change said circuitry and specifications.

LIFE SUPPORT POLICY

FAIRCHILD’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT

DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF FAIRCHILD

SEMICONDUCTOR CORPORATION. As used herein:

1. Life support devices or systems are devices or systems

which, (a) are intended for surgical implant into the

body, or (b) support or sustain life, and (c) whose failure

to perform when properly used in accordance with

instructions for use provided in the labeling, can be rea-

sonably expected to result in a significant injury to the

user.

2. A critical component in any component of a life support

device or system whose failure to perform can be rea-

sonably expected to cause the failure of the life support

device or system, or to affect its safety or effectiveness.

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