SN74AS841A

更新时间： 2024-09-30 23:03:11

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
9页	133K
描述
10-BIT BUS-INTERFACE D-TYPE LATCHES WITH 3-STATE OUTPUTS

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SN74AS841A 数据手册

SN74ALS841, SN74AS841A, SN74ALS842

10-BIT BUS-INTERFACE D-TYPE LATCHES

WITH 3-STATE OUTPUTS

SDAS059C – DECEMBER 1983 – REVISED JANUARY 1995

SN74ALS841, SN74AS841A . . . DW OR NT PACKAGE

(TOP VIEW)

• 3-State Buffer-Type Outputs Drive Bus

Lines Directly

• Bus-Structured Pinout

• Provide Extra Bus-Driving Latches

Necessary for Wider Address/Data Paths or

Buses With Parity

23 1Q

22 2Q

21 3Q

20 4Q

19 5Q

18 6Q

17 7Q

16 8Q

15 9Q

14 10Q

13 LE

• Buffered Control Inputs to Reduce

dc Loading Effects

• Power-Up High-Impedance State

• Package Options Include Plastic

Small-Outline (DW) Packages and Standard

Plastic (NT) 300-mil DIPs

9D 10

10D 11

GND 12

description

These 10-bit 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.

SN74ALS842 . . . DW OR NT PACKAGE

(TOP VIEW)

23 1Q

22 2Q

21 3Q

20 4Q

19 5Q

18 6Q

17 7Q

16 8Q

15 9Q

14 10Q

13 LE

The ten latches are transparent D-type latches.

The SN74ALS841 and SN74AS841A have

noninverting data (D) inputs. The SN74ALS842

has inverting D inputs.

Abufferedoutput-enable(OE)inputplacestheten

outputs in either a normal logic state (high or low

logic levels) or a high-impedance state. In the

high-impedance state, the outputs neither load

nor drive the bus lines significantly. The

high-impedancestateandincreaseddriveprovide

the capability to drive bus lines without interface or

pullup components.

9D 10

10D 11

GND 12

OE does not affect the internal operation of the latches. Previously stored data can be retained or new data can

be entered while the outputs are off.

The SN74ALS841, SN74AS841A, and SN74ALS842 are characterized for operation from 0°C to 70°C.

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...9

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与SN74AS841A相关器件

型号	品牌	获取价格	描述	数据表
SN74AS841ADW	TI	获取价格	10-BIT BUS-INTERFACE D-TYPE LATCHES WITH 3-STATE OUTPUTS
SN74AS841ADWR	TI	获取价格	10-Bit Bus-Interface D-Type Latches With 3-State Outputs 24-SOIC 0 to 70
SN74AS841ANT	TI	获取价格	10-BIT BUS-INTERFACE D-TYPE LATCHES WITH 3-STATE OUTPUTS
SN74AS841DW	TI	获取价格	10-Bit Bus-Interface D-Type Latches 24-SOIC 0 to 70
SN74AS841DWR	TI	获取价格	AS SERIES, 10-BIT DRIVER, TRUE OUTPUT, PDSO24, PLASTIC, DSO-24
SN74AS841FN	TI	获取价格	10-BIT BUS INTERFACE D-TYPE LATCHES WITH 3-STATE OUTPUTS
SN74AS841JT	TI	获取价格	暂无描述
SN74AS841JT4	TI	获取价格	SN74AS841JT4
SN74AS841JTP4	TI	获取价格	SN74AS841JTP4
SN74AS841NT	TI	获取价格	10-BIT BUS INTERFACE D-TYPE LATCHES WITH 3-STATE OUTPUTS

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