Datasheet > SN54BCT652_08

SN54BCT652_08

更新时间： 2024-11-09 04:31:23

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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SN54BCT652_08 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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与SN54BCT652_08相关器件

型号	品牌	获取价格	描述	数据表
SN54BCT652FK	TI	获取价格	OCTAL BUS TRANSCEIVERS AND REGISTERS WITH 3-STATE OUTPUTS
SN54BCT652FK-00	TI	获取价格	BCT/FBT SERIES, 8-BIT REGISTERED TRANSCEIVER, TRUE OUTPUT, CQCC28
SN54BCT652FKR	TI	获取价格	BCT/FBT SERIES, 8-BIT REGISTERED TRANSCEIVER, TRUE OUTPUT, CQCC28, CERAMIC, LCC-28
SN54BCT652JT	TI	获取价格	OCTAL BUS TRANSCEIVERS AND REGISTERS WITH 3-STATE OUTPUTS
SN54BCT652JT-00	TI	获取价格	BCT/FBT SERIES, 8-BIT REGISTERED TRANSCEIVER, TRUE OUTPUT, CDIP24
SN54BCT652W	TI	获取价格	OCTAL BUS TRANSCEIVERS AND REGISTERS WITH 3-STATE OUTPUTS
SN54BCT652WR	TI	获取价格	暂无描述
SN54BCT760	TI	获取价格	OCTAL BUFFERS/DRIVERS WITH OPEN-COLLECTOR OUTPUTS
SN54BCT760_07	TI	获取价格	OCTAL BUFFERS/DRIVERS WITH OPEN-COLLECTOR OUTPUTS
SN54BCT760_08	TI	获取价格	OCTAL BUFFERS/DRIVERS WITH OPEN-COLLECTOR OUTPUTS

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