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SNJ54ALS580BFK

更新时间： 2024-11-21 11:07:59

品牌	Logo	应用领域
德州仪器 - TI		驱动锁存器总线驱动器总线收发器
页数	文件大小	规格书
7页	111K
描述
具有三态输出的八路 D 类透明锁存器 \| FK \| 20 \| -55 to 125

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SNJ54ALS580BFK 数据手册

SN54ALS580B, SN74ALS580B, SN74AS580

OCTAL D-TYPE TRANSPARENT LATCHES

WITH 3-STATE OUTPUTS

SDAS277 – JANUARY 1995

SN54ALS580B . . . J OR W PACKAGE

SN74ALS580B, SN74AS580 . . . DW OR N PACKAGE

(TOP VIEW)

• 3-State Buffer-Type Outputs Drive Bus

Lines Directly

• Bus-Structured Pinout

• Inverting-Logic Outputs

• Package Options Include Plastic

Small-Outline (DW) Packages, Ceramic

Chip Carriers (FK), Standard Plastic (N) and

Ceramic (J) 300-mil DIPs, and Ceramic Flat

(W) Packages

description

13 7Q

12 8Q

These octal D-type transparent latches feature

3-state outputs designed specifically for driving

highly capacitive or relatively low-impedance

loads. They are particularly suitable for

implementing buffer registers, I/O ports,

bidirectional bus drivers, and working registers.

GND

SN54ALS580B . . . FK PACKAGE

(TOP VIEW)

While the latch-enable (LE) input is high, outputs

(Q) respond to the data (D) inputs. When LE islow,

the outputs are latched to retain the data that was

set up.

20 19

A buffered output-enable (OE) input can be used

to place the eight outputs in either a normal logic

state (high or low) or a high-impedance state. In

thehigh-impedancestate, theoutputsneitherload

nor drive the bus lines significantly. The

high-impedance state and the increased drive

provide the capability to drive bus lines without

interface or pullup components.

9 10 11 12 13

OE does not affect internal operations of the latches. Old data can be retained or new data can be entered while

the outputs are in the high-impedance state.

The SN54ALS580B is characterized for operation over the full military temperature range of –55°C to 125°C.

The SN74ALS580B and SN74AS580 are characterized for operation from 0°C to 70°C.

FUNCTION TABLE

(each latch)

INPUTS

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 7

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与SNJ54ALS580BFK相关器件

型号	品牌	获取价格	描述	数据表
SNJ54ALS580BJ	TI	获取价格	具有三态输出的八路 D 类透明锁存器 \| J \| 20 \| -55 to 125
SNJ54ALS580BW	TI	获取价格	具有三态输出的八路 D 类透明锁存器 \| W \| 20 \| -55 to 125
SNJ54ALS580J	TI	获取价格	IC,LATCH,SINGLE,8-BIT,ALS-TTL,DIP,20PIN,CERAMIC
SNJ54ALS620AFH-00	TI	获取价格	ALS SERIES, 8-BIT TRANSCEIVER, INVERTED OUTPUT, CQCC20
SNJ54ALS620J	MOTOROLA	获取价格	Bus Driver/Transceiver, 1-Func, 8-Bit, Inverted Output, TTL, CDIP20
SNJ54ALS622AJ	ROCHESTER	获取价格	Bus Transceiver, ALS Series, 1-Func, 8-Bit, Inverted Output, TTL, CDIP20
SNJ54ALS622J	MOTOROLA	获取价格	IC,BUS TRANSCEIVER,SINGLE,8-BIT,ALS-TTL,DIP,20PIN,CERAMIC
SNJ54ALS623AFK	ROCHESTER	获取价格	Bus Transceiver, ALS Series, 1-Func, 8-Bit, True Output, TTL, CQCC20
SNJ54ALS623AJ-00	TI	获取价格	ALS SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, CDIP20
SNJ54ALS632BFN	TI	获取价格	ALS SERIES, 32-BIT ERROR DETECT AND CORRECT CKT, PQCC68

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