Datasheet > SNJ54AHCT257J

SNJ54AHCT257J

更新时间： 2023-01-03 02:22:52

品牌	Logo	应用领域
德州仪器 - TI		输出元件
页数	文件大小	规格书
7页	112K
描述
AHC SERIES, QUAD 2 LINE TO 1 LINE MULTIPLEXER, TRUE OUTPUT, CDIP16, CERAMIC, DIP-16

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SNJ54AHCT257J 数据手册

SN54AHCT257, SN74AHCT257

QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS

WITH 3-STATE OUTPUTS

SCLS351E – MAY 1996 – REVISED OCTOBER 1998

SN54AHCT257 . . . J OR W PACKAGE

SN74AHCT257 . . . D, DB, DGV, N, OR PW PACKAGE

(TOP VIEW)

Inputs Are TTL-Voltage Compatible

EPIC (Enhanced-Performance Implanted

CMOS) Process

A/B

Package Options Include Plastic

Small-Outline (D), Shrink Small-Outline

(DB), Thin Very Small-Outline (DGV), Thin

Shrink Small-Outline (PW), and Ceramic

Flat (W) Packages, Ceramic Chip Carriers

(FK), and Standard Plastic (N) and Ceramic

(J) DIPs

12 4Y

GND

description

These quadruple 2-line to 1-line data

selectors/multiplexers are designed for 4.5-V to

SN54AHCT257 . . . FK PACKAGE

(TOP VIEW)

5.5-V V

operation.

The ’AHCT257 devices are designed to multiplex

signals from 4-bit data sources to 4-output data

lines in bus-organized systems. The 3-state

outputs do not load the data lines when the

output-enable (OE) input is at the high logic level.

1 20 19

17 4B

To ensure the high-impedance state during power

up or power down, OE should be tied to V

9 10 11 12 13

through a pullup resistor; the minimum value of

the resistor is determined by the current-sinking

capability of the driver.

NC – No internal connection

The SN54AHCT257 is characterized for

operation over the full military temperature range

of –55°C to 125°C. The SN74AHCT257 is

characterized for operation from –40°C to 85°C.

FUNCTION TABLE

INPUTS

OUTPUT

A/B

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of

Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

EPIC is a trademark of Texas Instruments Incorporated.

PRODUCT PREVIEW information concerns products in the formative or

design phase of development. Characteristic data and other

specifications are design goals. Texas Instruments reserves the right to

change or discontinue these products without notice.

POST OFFICE BOX 655303 • DALLAS, TEXAS 75265

12 3 4 5 6 7

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与SNJ54AHCT257J相关器件

型号	品牌	获取价格	描述	数据表
SNJ54AHCT257W	TI	获取价格	AHC SERIES, QUAD 2 LINE TO 1 LINE MULTIPLEXER, TRUE OUTPUT, CDFP16, CERAMIC, FP-16
SNJ54AHCT257WR	TI	获取价格	AHC SERIES, QUAD 2 LINE TO 1 LINE MULTIPLEXER, TRUE OUTPUT, CDFP16, CERAMIC, FP-16
SNJ54AHCT273FK	TI	获取价格	OCTAL D-TYPE FLIP-FLOPS WITH CLEAR
SNJ54AHCT273J	TI	获取价格	OCTAL D-TYPE FLIP-FLOPS WITH CLEAR
SNJ54AHCT273W	TI	获取价格	OCTAL D-TYPE FLIP-FLOPS WITH CLEAR
SNJ54AHCT32FK	TI	获取价格	QUADRUPLE 2-INPUT POSITIVE-OR GATES
SNJ54AHCT32FKR	TI	获取价格	AHCT/VHCT/VT SERIES, QUAD 2-INPUT OR GATE, CQCC20, CERAMIC, LCC-20
SNJ54AHCT32J	TI	获取价格	QUADRUPLE 2-INPUT POSITIVE-OR GATES
SNJ54AHCT32W	TI	获取价格	QUADRUPLE 2-INPUT POSITIVE-OR GATES
SNJ54AHCT32WR	TI	获取价格	AHCT/VHCT/VT SERIES, QUAD 2-INPUT OR GATE, CDFP14, CERAMIC, DFP-14

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