SN54HCT652

更新时间： 2024-11-05 23:03:03

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
8页	154K
描述
OCTAL BUS TRANSCEIVERS AND REGISTERS WITH 3-STATE OUTPUTS

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SN54HCT652 数据手册

SN54HCT652, SN74HCT652

OCTAL BUS TRANSCEIVERS AND REGISTERS

WITH 3-STATE OUTPUTS

SCLS179B – MARCH 1984 – REVISED MAY 1997

SN54HCT652 . . . JT OR W PACKAGE

SN74HCT652 . . . DW OR NT PACKAGE

(TOP VIEW)

Inputs Are TTL-Voltage Compatible

Independent Registers and Enables for A

and B Buses

Multiplexed Real-Time and Stored Data

True Data Paths

CLKAB

SAB

OEAB

CLKBA

SBA

OEBA

High-Current 3-State Outputs Can Drive up

to 15 LSTTL Loads

Package Options Include Plastic

Small-Outline (DW) and Ceramic Flat (W)

Packages, Ceramic Chip Carriers (FK), and

Standard Plastic (NT) and Ceramic (JT)

300-mil DIPs

description

GND 12

13 B8

The ’HCT652 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.

Select-control (SAB and SBA) inputs are provided

to select real-time or stored data transfer. A low

inputlevelselectsreal-timedata;ahighinputlevel

selects stored data. Figure 1 illustrates the four

fundamental bus-management functions that can

be performed with the ’HCT652.

SN54HCT652 . . . FK PACKAGE

(TOP VIEW)

2 1 28 27 26

25 OEBA

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) terminals regardless of the select- or

output-control terminals. 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. When all other data sources to

the two sets of bus lines are at high impedance,

each set of bus lines remains at its last state.

12 13 14 15 16 17 18

NC – No internal connection

The SN54HCT652 is characterized for operation over the full military temperature range of –55°C to 125°C.

The SN74HCT652 is characterized for operation from –40°C to 85°C.

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.

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 8

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与SN54HCT652相关器件

型号	品牌	获取价格	描述	数据表
SN54HCT652_15	TI	获取价格	OCTAL BUS TRANSCEIVERS AND REGISTERS WITH 3-STATE OUTPUTS
SN54HCT652FK	TI	获取价格	OCTAL BUS TRANSCEIVERS AND REGISTERS WITH 3-STATE OUTPUTS
SN54HCT652FK-00	TI	获取价格	HCT SERIES, 8-BIT REGISTERED TRANSCEIVER, TRUE OUTPUT, CQCC28
SN54HCT652FKR	TI	获取价格	HCT SERIES, 8-BIT REGISTERED TRANSCEIVER, TRUE OUTPUT, CQCC28, CERAMIC, LCC-28
SN54HCT652JT	TI	获取价格	OCTAL BUS TRANSCEIVERS AND REGISTERS WITH 3-STATE OUTPUTS
SN54HCT652JT-00	TI	获取价格	HCT SERIES, 8-BIT REGISTERED TRANSCEIVER, TRUE OUTPUT, CDIP24
SN54HCT652W	TI	获取价格	OCTAL BUS TRANSCEIVERS AND REGISTERS WITH 3-STATE OUTPUTS
SN54HCT652WR	TI	获取价格	HCT SERIES, 8-BIT REGISTERED TRANSCEIVER, TRUE OUTPUT, CDFP24, CERAMIC, FP-24
SN54HCT659FK-00	TI	获取价格	HCT SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, CQCC28
SN54HCT664FH	TI	获取价格	IC,BUS TRANSCEIVER,SINGLE,8-BIT,HCT-CMOS,LLCC,28PIN,CERAMIC

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