SN74LVC543

更新时间： 2024-09-14 23:06:23

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
6页	102K
描述
OCTAL REGISTERED TRANSCEIVER WITH 3-STATE OUTPUTS

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SN74LVC543 数据手册

SN74LVC543

OCTAL REGISTERED TRANSCEIVER

WITH 3-STATE OUTPUTS

SCAS299A – JANUARY 1993 – REVISED JULY 1995

DB, DW, OR PW PACKAGE

(TOP VIEW)

EPIC (Enhanced-Performance Implanted

CMOS) Submicron Process

Typical V

< 0.8 V at V

(Output Ground Bounce)

OLP

LEBA

OEBA

= 3.3 V, T = 25°C

23 CEBA

22 B1

21 B2

20 B3

19 B4

18 B5

17 B6

16 B7

Typical V

> 2 V at V

(Output V

Undershoot)

OHV

= 3.3 V, T = 25°C

Latch-Up Performance Exceeds 250 mA

Per JEDEC Standard JESD-17

Package Options Include Plastic

Small-Outline (DW), Shrink Small-Outline

(DB), and Thin Shrink Small-Outline (PW)

Packages

CEAB 11

GND 12

14 LEAB

13 OEAB

description

This octal registered transceiver is designed for

2.7-V to 3.6-V V operation.

The SN74LVC543 contains two sets of D-type latches for temporary storage of data flowing in either direction.

Separate latch-enable (LEAB or LEBA) and output-enable (OEAB or OEBA) inputs are provided for each

The A-to-B enable (CEAB) input must be low to enter data from A or to output data from B. If CEAB is low and

LEAB is low, the A-to-B latches are transparent; a subsequent low-to-high transition of LEAB places the A

latches in the storage mode. With CEAB and OEAB both low, the 3-state B outputs are active and reflect the

data present at the output of the A latches. Data flow for B to A is similar to that of A to B but uses CEBA, LEBA,

and OEBA.

To ensure the high-impedance state during power up or power down, OE should be tied to V through a pullup

resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.

The SN74LVC543 is characterized for operation from –40°C to 85°C.

†

FUNCTION TABLE

INPUTS

OUTPUT

CEAB

LEAB

OEAB

‡

†

‡

A-to-B data flow is shown; B-to-A flow control is the

same except that it uses CEBA, LEBA, and OEBA.

Output level before the indicated steady-state input

conditions were established

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.

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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SN74LVC543 替代型号

型号	品牌	替代类型	描述	数据表
SN74LVC543A	TI	功能相似	OCTAL REGISTERED TRANSCEIVER WITH 3-STATE OUTPUTS

与SN74LVC543相关器件

型号	品牌	获取价格	描述	数据表
SN74LVC543A	TI	获取价格	OCTAL REGISTERED TRANSCEIVER WITH 3-STATE OUTPUTS
SN74LVC543A_03	TI	获取价格	OCTAL REGISTERED TRANSCEIVER WITH 3-STATE OUTPUTS
SN74LVC543A_06	TI	获取价格	OCTAL REGISTERED TRANSCEIVER WITH 3-STATE OUTPUTS
SN74LVC543ADB	TI	获取价格	OCTAL REGISTERED TRANSCEIVER WITH 3-STATE OUTPUTS
SN74LVC543ADBLE	TI	获取价格	OCTAL REGISTERED TRANSCEIVER WITH 3-STATE OUTPUTS
SN74LVC543ADBR	TI	获取价格	OCTAL REGISTERED TRANSCEIVER WITH 3-STATE OUTPUTS
SN74LVC543ADBRE4	TI	获取价格	OCTAL REGISTERED TRANSCEIVER WITH 3-STATE OUTPUTS
SN74LVC543ADBRG4	TI	获取价格	LVC/LCX/Z SERIES, 8-BIT REGISTERED TRANSCEIVER, TRUE OUTPUT, PDSO24, GREEN, PLASTIC, SSOP-
SN74LVC543ADW	TI	获取价格	OCTAL REGISTERED TRANSCEIVER WITH 3-STATE OUTPUTS
SN74LVC543ADWE4	TI	获取价格	OCTAL REGISTERED TRANSCEIVER WITH 3-STATE OUTPUTS

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