SN74LVC245ADBRE4

更新时间： 2024-11-04 09:12:55

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
23页	866K
描述
OCTAL BUS TRANSCEIVER WITH 3-STATE OUTPUTS

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SN74LVC245ADBRE4 数据手册

SN74LVC245A

www.ti.com

SCAS218U –JANUARY 1993–REVISED FEBRUARY 2010

OCTAL BUS TRANSCEIVER WITH 3-STATE OUTPUTS

Check for Samples: SN74LVC245A

FEATURES

DB, DGV, DW, N, NS, OR PW PACKAGE

(TOP VIEW)

•

Operates From 1.65 V to 3.6 V

Inputs Accept Voltages to 5.5 V

Max t_pdof 6.3 ns at 3.3 V

DIR

V_CC

Typical V_OLP(Output Ground Bounce)

<0.8 V at V_CC= 3.3 V, T_A= 25°C

•

Typical V_OHV(Output V_OHUndershoot)

>2 V at V_CC= 3.3 V, T_A= 25°C

I_offSupports Partial-Power-Down Mode

Operation

Supports Mixed-Mode Signal Operation on All

Ports (5-V Input/Output Voltage With 3.3-V V_CC

GND

)

Latch-Up Performance Exceeds 250 mA Per

JESD 17

RGY PACKAGE

(TOP VIEW)

ESD Protection Exceeds JESD 22

–

2000-V Human-Body Model (A114-A)

1000-V Charged-Device Model (C101)

DESCRIPTION/ORDERING INFORMATION

This octal bus transceiver is designed for 1.65-V to

3.6-V V_CCoperation.

The SN74LVC245A 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 effectively are isolated.

To ensure the high-impedance state during power up or power down, OE should be tied to V_CCthrough a pullup

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

Inputs can be driven from either 3.3-V or 5-V devices. This feature allows the use of this device as a translator in

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

This device is fully specified for partial-power-down applications using I_off. The I_offcircuitry disables the outputs,

preventing damaging current backflow through the device when it is powered down.

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.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.

12 3 4 5 6 7...23

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SN74LVC245ADBRE4 替代型号

型号	品牌	替代类型	描述	数据表
SN74LVC245ADBRG4	TI	完全替代	OCTAL BUS TRANSCEIVER WITH 3-STATE OUTPUTS
SN74LVC245ADBLE	TI	完全替代	OCTAL BUS TRANSCEIVER WITH 3-STATE OUTPUTS
SN74LVC245ADBR	TI	类似代替	OCTAL BUS TRANSCEIVER WITH 3-STATE OUTPUTS

与SN74LVC245ADBRE4相关器件

型号	品牌	获取价格	描述	数据表
SN74LVC245ADBRG4	TI	获取价格	OCTAL BUS TRANSCEIVER WITH 3-STATE OUTPUTS
SN74LVC245ADGVR	TI	获取价格	OCTAL BUS TRANSCEIVER WITH 3-STATE OUTPUTS
SN74LVC245ADGVRE4	TI	获取价格	OCTAL BUS TRANSCEIVER WITH 3-STATE OUTPUTS
SN74LVC245ADGVRG4	TI	获取价格	OCTAL BUS TRANSCEIVER WITH 3-STATE OUTPUTS
SN74LVC245ADW	TI	获取价格	OCTAL BUS TRANSCEIVER WITH 3-STATE OUTPUTS
SN74LVC245ADWE4	TI	获取价格	OCTAL BUS TRANSCEIVER WITH 3-STATE OUTPUTS
SN74LVC245ADWG4	TI	获取价格	OCTAL BUS TRANSCEIVER WITH 3-STATE OUTPUTS
SN74LVC245ADWR	TI	获取价格	OCTAL BUS TRANSCEIVER WITH 3-STATE OUTPUTS
SN74LVC245ADWRE4	TI	获取价格	OCTAL BUS TRANSCEIVER WITH 3-STATE OUTPUTS
SN74LVC245ADWRG4	TI	获取价格	OCTAL BUS TRANSCEIVER WITH 3-STATE OUTPUTS

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