Datasheet > 逻辑 > 总线驱动器/收发器> SNJ54BCT652FK

SNJ54BCT652FK

更新时间： 2024-09-26 04:50:59

品牌	Logo	应用领域
德州仪器 - TI		总线收发器输出元件
页数	文件大小	规格书
16页	487K
描述
OCTAL BUS TRANSCEIVERS AND REGISTERS WITH 3-STATE OUTPUTS

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替代型号

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SNJ54BCT652FK 数据手册

SN54BCT652, SN74BCT652

OCTAL BUS TRANSCEIVERS AND REGISTERS

WITH 3-STATE OUTPUTS

SCBS038A – AUGUST 1989 – REVISED NOVEMBER 1993

SN54BCT652 . . . JT OR W PACKAGE

SN74BCT652 . . . 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; Exceeds

200 V Using Machine Model (C = 200 pF,

R = 0)

CLKAB

SAB

OEAB

CLKBA

SBA

OEBA

• Independent Registers and Enables for

A and B Buses

• Multiplexed Real-Time and Stored Data

• Power-Up High-Impedance Mode

• Package Options Include Plastic

Small-Outline (DW) Packages, Ceramic

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

Standard Plastic and Ceramic 300-mil DIPs

(JT, NT)

A7 10

15 B6

GND

SN54BCT652 . . . FK PACKAGE

(TOP VIEW)

description

These devices consist of bus transceiver circuits,

D-type flip-flops, and control circuitry arranged for

multiplexed transmission of data directly from the

data bus or from the internal storage registers.

2 1 28 27 26

OEBA

Output-enable (OEAB and OEBA) inputs are

provided to control the transceiver functions.

Select-control (SAB and SBA) inputs are provided

to select whether real-time or stored data is

transferred. The circuitry used for select control

eliminates the typical decoding glitch that occurs

in a multiplexer during the transition between

stored and real-time data. A low input selects

real-time data, and a high input selects stored

data. Figure 1 illustrates the four fundamental

bus-managementfunctionsthatcanbeperformed

with the ′BCT652.

A5 10

A6 11

12 13 14 15 16 17 18

NC – No internal connection

Data on the A or B data bus, or both, can be stored in the internal D-type flip-flops by low-to-high transitions at

the appropriate clock (CLKAB or CLKBA) inputs regardless of the select- or enable-control pins. When SAB and

SBA are in the real-time transfer mode, it is possible to store data without using the internal D-type flip-flops by

simultaneously enabling OEAB and OEBA. In this configuration each output reinforces its input. Therefore,

when all other data sources to the two sets of bus lines are at high impedance, each set of bus lines remain at

its last state.

The SN54BCT652 is characterized for operation over the full military temperature range of –55°C to 125°C. The

SN74BCT652 is 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.

2–1

POST OFFICE BOX 655303 • DALLAS, TEXAS 75265

12 3 4 5 6 7...16

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SNJ54BCT652FK 替代型号

型号	品牌	替代类型	描述	数据表
SN74BCT652NTE4	TI	类似代替	OCTAL BUS TRANSCEIVERS AND REGISTERS WITH 3-STATE OUTPUTS
SN74BCT652DWR	TI	类似代替	OCTAL BUS TRANSCEIVERS AND REGISTERS WITH 3-STATE OUTPUTS
SNJ54BCT652JT	TI	类似代替	OCTAL BUS TRANSCEIVERS AND REGISTERS WITH 3-STATE OUTPUTS

与SNJ54BCT652FK相关器件

型号	品牌	获取价格	描述	数据表
SNJ54BCT652JT	TI	获取价格	OCTAL BUS TRANSCEIVERS AND REGISTERS WITH 3-STATE OUTPUTS
SNJ54BCT652W	TI	获取价格	OCTAL BUS TRANSCEIVERS AND REGISTERS WITH 3-STATE OUTPUTS
SNJ54BCT760FK	TI	获取价格	OCTAL BUFFERS/DRIVERS WITH OPEN-COLLECTOR OUTPUTS
SNJ54BCT760FK-00	TI	获取价格	BCT/FBT SERIES, DUAL 4-BIT DRIVER, TRUE OUTPUT, CQCC20
SNJ54BCT760J	TI	获取价格	OCTAL BUFFERS/DRIVERS WITH OPEN-COLLECTOR OUTPUTS
SNJ54BCT760J-00	TI	获取价格	BCT/FBT SERIES, DUAL 4-BIT DRIVER, TRUE OUTPUT, CDIP20
SNJ54BCT760W	TI	获取价格	OCTAL BUFFERS/DRIVERS WITH OPEN-COLLECTOR OUTPUTS
SNJ54BCT8240AFK	TI	获取价格	SCAN TEST DEVICES WITH OCTAL INVERTING BUFFERS
SNJ54BCT8240AJT	TI	获取价格	SCAN TEST DEVICES WITH OCTAL INVERTING BUFFERS
SNJ54BCT8244AFK	TI	获取价格	SCAN TEST DEVICES WITH OCTAL BUFFERS

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