SN54AS880

更新时间： 2024-10-01 05:05:03

品牌	Logo	应用领域
德州仪器 - TI		锁存器输出元件
页数	文件大小	规格书
6页	82K
描述
DUAL 4-BIT D-TYPE LATCHES WITH 3-STATE OUTPUTS

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SN54AS880 数据手册

SN54ALS880A, SN54AS880, SN74ALS880A, SN74AS880

DUAL 4-BIT D-TYPE LATCHES WITH 3-STATE OUTPUTS

SDAS079A – D2661, DECEMBER 1982 – REVISED MAY 1986

SN54ALS880A, SN54AS880 . . . JT PACKAGE

• 3-State Buffer-Type Outputs Drive Bus

SN74ALS880A, SN74AS880 . . . DW OR NT PACKAGE

Lines Directly

(TOP VIEW)

• Bus-Structured Pinout

• ’ALS873B is Alternative Version With

1PRE

1OC

1D1

1D2

1D3

1D4

2D1

2D2

2D3

2D4

2OC

GND

Noninverting Outputs

• Package Options Include Plastic Small

Outline Packages, Both Plastic and

Ceramic Chip Carriers, and Standard

Plastic and Ceramic 300-mil DIPs

1Q1

1Q2

1Q3

1Q4

2Q1

2Q2

2Q3

2Q4

• Dependable Texas Instruments Quality and

Reliability

description

These dual 4-bit registers feature 3-state outputs

designed specifically for bus driving. This makes

these devices particularly suitable for implement-

ing buffer registers, I/O ports, bidirectional bus

drivers, and working registers.

2PRE

SN54ALS880A, SN54AS880 . . . JT PACKAGE

SN74ALS880A, SN74AS880 . . . DW OR NT PACKAGE

(TOP VIEW)

The dual 4-bit latches are transparent D-type.

When the latch enable input (1C or 2C) is high, the

Q outputs will follow the data (D) inputs in inverted

form, according to the function table. When the

latch enable input is taken low, the outputs will be

latched.WhenPREgoeslow, theQoutputsgolow

independently of the clock. The outputs are in a

high-impedance state when OC (output control) is

at a high logic level.

2 1 28 27 26

1Q2

1Q3

1D2

1D3

1D4

2D1

2D2

2D3

23 1Q4

2Q1

2Q2

The SN54ALS880A and SN54AS880 are charac-

terized for operation over the full military

temperature range of –55°C to 125°C. The

SN74ALS880A and SN74AS880 are character-

ized for operation from 0°C to 70°C.

2Q3

12 13 14 15 16 17 18

NC – No internal connection

FUNCTION TABLE

(each latch)

INPUTS

PRE

OUTPUT

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of Texas Instruments

standard warranty. Production processing does not necessarily include

testing of all parameters.

POST OFFICE BOX 655303 • DALLAS, TEXAS 75265

12 3 4 5 6

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与SN54AS880相关器件

型号	品牌	获取价格	描述	数据表
SN54AS880FH	TI	获取价格	IC,LATCH,DUAL,4-BIT,AS-TTL,LLCC,28PIN,CERAMIC
SN54AS880FH-00	TI	获取价格	AS SERIES, DUAL 4-BIT DRIVER, INVERTED OUTPUT, CQCC28
SN54AS880FK	TI	获取价格	AS SERIES, DUAL 4-BIT DRIVER, INVERTED OUTPUT, CQCC28, CERAMIC, LCC-28
SN54AS880JT	TI	获取价格	AS SERIES, DUAL 4-BIT DRIVER, INVERTED OUTPUT, CDIP24, 0.300 INCH, CERAMIC, DIP-24
SN54AS880JT-00	TI	获取价格	AS SERIES, DUAL 4-BIT DRIVER, INVERTED OUTPUT, CDIP24
SN54AS881A	TI	获取价格	ARITHMETIC LOGIC UNITS/FUNCTION GENERATORS
SN54AS881AFK	TI	获取价格	ARITHMETIC LOGIC UNITS/FUNCTION GENERATORS
SN54AS881AJT	TI	获取价格	ARITHMETIC LOGIC UNITS/FUNCTION GENERATORS
SN54AS881AJT-00	TI	获取价格	AS SERIES, 4-BIT ARITHMETIC LOGIC UNIT, CDIP24
SN54AS882A	TI	获取价格	32-BIT LOOK-AHEAD CARRY GENERATORS

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