Datasheet > 逻辑 > 总线驱动器/收发器> SN74LVCZ245A

SN74LVCZ245A

更新时间： 2024-09-30 22:16:15

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
6页	86K
描述
OCTAL BUS TRANSCEIVER WITH 3-STATE OUTPUTS

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SN74LVCZ245A 数据手册

SN74LVCZ245A

OCTAL BUS TRANSCEIVER

WITH 3-STATE OUTPUTS

SCES275B – JUNE 1999 – REVISED JANUARY 2000

DB, DGV, DW, OR PW PACKAGE

(TOP VIEW)

EPIC (Enhanced-Performance Implanted

CMOS) Submicron Process

Typical V

<0.8 V at V

(Output Ground Bounce)

OLP

DIR

= 3.3 V, T = 25°C

Typical V

(Output V

Undershoot) >2 V

OHV

at V

= 3.3 V, T = 25°C

and Power-Up 3-State Support Hot

off

Insertion

Supports Mixed-Mode Signal Operation on

All Ports (5-V Input/Output Voltage With

3.3-V V

)

GND

Latch-Up Performance Exceeds 100 mA Per

JESD 78, Class II

Package Options Include Shrink

Small-Outline (DB), Plastic Thin Very

Small-Outline (DGV), Small-Outline (DW),

and Thin Shrink Small-Outline (PW)

Packages

description

This octal bus transceiver is designed for 2.7-V to 3.6-V V

operation.

The SN74LVCZ245A is designed for asynchronous communication between data buses. The device transmits

data from the A bus to the B bus or from the B bus to the A bus, depending on the logic level at the

direction-control (DIR) input. The output-enable (OE) input can be used to disable the device so the buses are

effectively isolated.

Inputs can be driven from either 3.3-V or 5-V devices. This feature allows the use of these devices as translators

in a mixed 3.3-V/5-V system environment.

When V

is between 0 and 1.5 V, the device is in the high-impedance state during power up or power down.

However, to ensure the high-impedance state above 1.5 V, OE should be tied to V

the minimum value of the resistor is determined by the current-sinking capability of the driver.

through a pullup resistor;

This device is fully specified for hot-insertion applications using I and power-up 3-state. The I circuitry

off

disables the outputs, preventing damaging current backflow through the device when it is powered down. The

power-up 3-state circuitry places the outputs in the high-impedance state during power up and power down,

which prevents driver conflict.

The SN74LVCZ245A is characterized for operation from –40°C to 85°C.

FUNCTION TABLE

INPUTS

OPERATION

DIR

B data to A bus

A data to B bus

Isolation

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 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

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与SN74LVCZ245A相关器件

型号	品牌	获取价格	描述	数据表
SN74LVCZ245A_08	TI	获取价格	OCTAL BUS TRANSCEIVER WITH 3-STATE OUTPUTS
SN74LVCZ245ADB	TI	获取价格	OCTAL BUS TRANSCEIVER WITH 3-STATE OUTPUTS
SN74LVCZ245ADBLE	TI	获取价格	LVC/LCX/Z SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDSO20, SSOP-20
SN74LVCZ245ADBR	TI	获取价格	OCTAL BUS TRANSCEIVER WITH 3-STATE OUTPUTS
SN74LVCZ245ADBRE4	TI	获取价格	OCTAL BUS TRANSCEIVER WITH 3-STATE OUTPUTS
SN74LVCZ245ADBRG4	TI	获取价格	OCTAL BUS TRANSCEIVER WITH 3-STATE OUTPUTS
SN74LVCZ245ADGV	TI	获取价格	OCTAL BUS TRANSCEIVER WITH 3-STATE OUTPUTS
SN74LVCZ245ADGVR	TI	获取价格	LVC/LCX/Z SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDSO20, PLASTIC, TVSOP-20
SN74LVCZ245ADW	TI	获取价格	OCTAL BUS TRANSCEIVER WITH 3-STATE OUTPUTS
SN74LVCZ245ADWE4	TI	获取价格	OCTAL BUS TRANSCEIVER WITH 3-STATE OUTPUTS

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