SN74ABT652DBLE

更新时间： 2024-11-12 13:13:47

品牌	Logo	应用领域
德州仪器 - TI		总线驱动器总线收发器触发器逻辑集成电路光电二极管输出元件信息通信管理
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23页	499K
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SN74ABT652DBLE 数据手册

SN54ABT652A, SN74ABT652A

OCTAL REGISTERED TRANSCEIVERS

WITH 3-STATE OUTPUTS

SCBS072F – JANUARY 1991 – REVISED MAY 1997

SN54ABT652A . . . JT OR W PACKAGE

SN74ABT652A . . . 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

JEDEC Standard JESD-17

Typical V

< 1 V at V

(Output Ground Bounce)

OLP

= 5 V, T = 25°C

High-Drive Outputs (–32-mA I , 64-mA I

)

Package Options Include Plastic

Small-Outline (DW), Shrink Small-Outline

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

Packages, Ceramic Chip Carriers (FK),

Ceramic Flat (W) Package, and Plastic (NT)

and Ceramic (JT) DIPs

GND 12

13 B8

SN54ABT652A . . . 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.

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 either real-time or stored data for

transfer. 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-management functions that can be

performed with the ’ABT652A.

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

attheappropriateclock(CLKABorCLKBA)inputs, regardlessoftheselect-orenable-controlinputs. WhenSAB

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.

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.

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 7...23

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与SN74ABT652DBLE相关器件

型号	品牌	获取价格	描述	数据表
SN74ABT652DBR	TI	获取价格	ABT SERIES, 8-BIT REGISTERED TRANSCEIVER, TRUE OUTPUT, PDSO24, PLASTIC, SSOP-24
SN74ABT652DBRG4	TI	获取价格	IC ABT SERIES, 8-BIT REGISTERED TRANSCEIVER, TRUE OUTPUT, PDSO24, PLASTIC, SSOP-24, Bus Dr
SN74ABT652DW	TI	获取价格	OCTAL BUS TRANSCEIVERS AND REGISTERS WITH 3-STATE OUTPUTS
SN74ABT652DWG4	TI	获取价格	ABT SERIES, 8-BIT REGISTERED TRANSCEIVER, TRUE OUTPUT, PDSO24, PLASTIC, SO-24
SN74ABT652DWR	TI	获取价格	ABT SERIES, 8-BIT REGISTERED TRANSCEIVER, TRUE OUTPUT, PDSO24, PLASTIC, SO-24
SN74ABT652DWRG4	TI	获取价格	ABT SERIES, 8-BIT REGISTERED TRANSCEIVER, TRUE OUTPUT, PDSO24, PLASTIC, SO-24
SN74ABT652NT	TI	获取价格	OCTAL BUS TRANSCEIVERS AND REGISTERS WITH 3-STATE OUTPUTS
SN74ABT657	TI	获取价格	OCTAL TRANSCEIVERS WITH PARITY GENERATORS/CHECKERS AND 3-STATE OUTPUTS
SN74ABT657A	TI	获取价格	OCTAL TRANSCEIVERS WITH PARITY GENERATORS/CHECKERS AND 3-STATE OUTPUTS
SN74ABT657ADBR	TI	获取价格	具有奇偶校验发生器/校验器和三态输出的八路收发器 \| DB \| 24 \| -40 to 8

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