Datasheet > 逻辑 > 总线驱动器/收发器> SN74ABT651PW

SN74ABT651PW

更新时间： 2024-11-11 23:06:11

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
11页	187K
描述
OCTAL BUS TRANSCEIVERS AND REGISTERS WITH 3-STATE OUTPUTS

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SN74ABT651PW 数据手册

SN54ABT651, SN74ABT651

OCTAL BUS TRANSCEIVERS AND REGISTERS

WITH 3-STATE OUTPUTS

SCBS083E – JANUARY 1991 – REVISED APRIL 1998

SN54ABT651 . . . JT PACKAGE

SN74ABT651 . . . DB, DW, NT, OR PW PACKAGE

(TOP VIEW)

State-of-the-Art EPIC-ΙΙB BiCMOS Design

Significantly Reduces Power Dissipation

ESD Protection Exceeds 2000 V Per

MIL-STD-883, Method 3015; Exceeds 200 V

Using Machine Model (C = 200 pF, R = 0)

CLKAB

SAB

OEAB

CLKBA

SBA

OEBA

Latch-Up Performance Exceeds 500 mA Per

JESD 17

Typical V

(Output Ground Bounce) < 1 V

OLP

at V

= 5 V, T = 25°C

High-Drive Outputs (–32-mA I

64-mA I

)

Multiplexed Real-Time and Stored Data

Inverting Data Paths

Package Options Include Plastic

13 B8

GND 12

Small-Outline (DW), Shrink Small-Outline

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

Packages, Ceramic Chip Carriers (FK), and

Plastic (NT) and Ceramic (JT) DIPs

SN54ABT651 . . . 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.

Output-enable (OEAB and OEBA) inputs are

provided to control the transceiver functions. The

select-control (SAB and SBA) inputs are provided

to select whether real-time or stored data is

transferred. A low input level selects real-time

data, and a high input level selects stored data.

2 1 28 27 26

OEBA

24 B1

23 B2

22 NC

12 13 14 15 16 17 18

Figure

illustrates the four fundamental

bus-management functions that can be

performed with the ’ABT651 devices.

NC – No internal connection

Data on the A or B bus, or both, can be stored in the internal D 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 also 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. When all

the other data sources to the two sets of bus lines are at high impedance, each set remains at its last state.

To ensure the high-impedance state during power up or power down, OEBA 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

(B to A). OEAB should be tied to GND through a pulldown resistor; the minimum value of the resistor is

determined by the current-sourcing capability of the driver (A to 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-ΙΙB is a trademark of Texas Instruments Incorporated.

UNLESS OTHERWISE NOTED this document contains PRODUCTION

DATA information 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 7...11

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与SN74ABT651PW相关器件

型号	品牌	获取价格	描述	数据表
SN74ABT651PWLE	TI	获取价格	ABT SERIES, 8-BIT REGISTERED TRANSCEIVER, INVERTED OUTPUT, PDSO24, PLASTIC, TSSOP-24
SN74ABT651PWR	TI	获取价格	ABT SERIES, 8-BIT REGISTERED TRANSCEIVER, INVERTED OUTPUT, PDSO24, PLASTIC, TSSOP-24
SN74ABT652	TI	获取价格	OCTAL BUS TRANSCEIVERS AND REGISTERS WITH 3-STATE OUTPUTS
SN74ABT652A	TI	获取价格	OCTAL REGISTERED TRANSCEIVERS WITH 3-STATE OUTPUTS
SN74ABT652ADB	TI	获取价格	OCTAL REGISTERED TRANSCEIVERS WITH 3-STATE OUTPUTS
SN74ABT652ADBE4	TI	获取价格	IC ABT SERIES, 8-BIT REGISTERED TRANSCEIVER, TRUE OUTPUT, PDSO24, PLASTIC, SSOP-24, Bus Dr
SN74ABT652ADBLE	TI	获取价格	OCTAL REGISTERED TRANSCEIVERS WITH 3-STATE OUTPUTS
SN74ABT652ADBR	TI	获取价格	OCTAL REGISTERED TRANSCEIVERS WITH 3-STATE OUTPUTS
SN74ABT652ADBRE4	TI	获取价格	OCTAL REGISTERED TRANSCEIVERS WITH 3-STATE OUTPUTS
SN74ABT652ADBRG4	TI	获取价格	OCTAL REGISTERED TRANSCEIVERS WITH 3-STATE OUTPUTS

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