SN74BCT544

更新时间： 2024-11-23 22:53:35

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	92K
描述
OCTAL REGISTERED TRANSCEIVERS WITH 3-STATE OUTPUTS

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SN74BCT544 数据手册

SN54BCT544, SN74BCT544

OCTAL REGISTERED TRANSCEIVERS

WITH 3-STATE OUTPUTS

SCBS039B – NOVEMBER 1988 – REVISED NOVEMBER 1993

SN54BCT544 . . . JT OR W PACKAGE

SN74BCT544 . . . DW OR NT PACKAGE

(TOP VIEW)

• State-of-the-Art BiCMOS Design

Significantly Reduces I

CCZ

• ESD Protection Exceeds 2000 V

Per MIL-STD-883C, Method 3015

LEBA

OEBA

• Power-Up High-Impedance State

• 3-State Inverting Outputs

• Back-to-Back Registers for Storage

23 CEBA

22 B1

21 B2

20 B3

19 B4

18 B5

17 B6

16 B7

• Package Options Include Plastic

Small-Outline (DW) Packages, Ceramic

Chip Carriers (FK) and Flatpacks (W), and

Plastic and Ceramic 300-mil DIPs (JT, NT)

description

CEAB 11

GND 12

14 LEAB

13 OEAB

The ′BCT544 octal registered transceiver

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 register to permit independent

control in either direction of data flow.

SN54BCT544 . . . FK PACKAGE

(TOP VIEW)

The A-to-B enable (CEAB) input must be low in

order 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

transitionofLEABputstheAlatchesinthestorage

mode. With CEAB and OEAB both low, the 3-state

B outputs are active and reflect the inverted data

present at the output of the A latches. Data flow

from B to A is similar, but requires using the CEBA,

LEBA, and OEBA inputs.

28 27 26

22 NC

21 B5

20 B6

19 B7

12 13 14 15 16 17 18

The SN54BCT544 is characterized for operation

over the full military temperature range of –55°C

to 125°C. The SN74BCT544 is characterized for

operation from 0°C to 70°C.

NC – No internal connection

†

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.

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SN74BCT544相关器件

型号	品牌	获取价格	描述	数据表
SN74BCT544DW	TI	获取价格	OCTAL REGISTERED TRANSCEIVERS WITH 3-STATE OUTPUTS
SN74BCT544DW-00	TI	获取价格	BCT/FBT SERIES, 8-BIT REGISTERED TRANSCEIVER, INVERTED OUTPUT, PDSO24
SN74BCT544DWR	TI	获取价格	Octal Registered Transceivers 24-SOIC 0 to 70
SN74BCT544NT	TI	获取价格	OCTAL REGISTERED TRANSCEIVERS WITH 3-STATE OUTPUTS
SN74BCT544NT-10	TI	获取价格	BCT/FBT SERIES, 8-BIT REGISTERED TRANSCEIVER, INVERTED OUTPUT, PDIP24
SN74BCT573	TI	获取价格	OCTAL TRANSPARENT D-TYPE LATCHES WITH 3-STATE OUTPUTS
SN74BCT573DW	TI	获取价格	OCTAL TRANSPARENT D-TYPE LATCHES WITH 3-STATE OUTPUTS
SN74BCT573DWE4	TI	获取价格	OCTAL TRANSPARENT D-TYPE LATCHES WITH 3-STATE OUTPUTS
SN74BCT573DWG4	TI	获取价格	OCTAL TRANSPARENT D-TYPE LATCHES WITH 3-STATE OUTPUTS
SN74BCT573DWR	TI	获取价格	OCTAL TRANSPARENT D-TYPE LATCHES WITH 3-STATE OUTPUTS

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