Datasheet > 74LCX16646MEAX

74LCX16646MEAX

更新时间： 2024-09-12 23:24:19

品牌	Logo	应用领域
其他 - ETC		总线收发器逻辑集成电路光电二极管
页数	文件大小	规格书
10页	100K
描述
Dual 8-bit Bus Transceiver

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数据手册

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74LCX16646MEAX 数据手册

February 1994

Revised April 2001

74LCX16646

Low Voltage 16-Bit Transceiver/Register

with 5V Tolerant Inputs and Outputs

General Description

Features

■ 5V tolerant inputs and outputs

The LCX16646 contains sixteen non-inverting bidirectional

registered bus transceivers with 3-STATE outputs, provid-

ing multiplexed transmission of data directly from the input

bus or from the internal storage registers. Each byte has

separate control inputs which can be shorted together for

full 16-bit operation.The DIR inputs determine the direction

of data flow through the device. The CPAB and CPBA

inputs load data into the registers on the LOW-to-HIGH

transition (see Functional Description).

■ 2.3V–3.6V V_CCspecifications provided

■ 5.2 ns t_PDmax (V_CC= 3.3V), 20 µA I_CCmax

■ Power down high impedance inputs and outputs

■ Supports live insertion/withdrawal (Note 1)

■ ±24 mA Output Drive (V_CC= 3.0V)

■ Implements patented noise/EMI reduction circuitry

■ Latch-up performance exceeds 500 mA

The LCX16646 is designed for low voltage (2.5V or 3.3V)

V_CCapplications with capability of interfacing to a 5V signal

■ ESD performance:

Human Body Model > 2000V

Machine Model > 200V

environment.

The LCX16646 is fabricated with an advanced CMOS tech-

nology to achieve high speed operation while maintaining

CMOS low power dissipation.

Note 1: To ensure the high-impedance state during power up or down, OE

should be tied to V_CCthrough a pull-up resistor: the minimum value or the

resistor is determined by the current-sourcing capability of the driver.

Ordering Code:

Order Number Package Number

Package Description

74LCX16646MEA

74LCX16646MTD

MS56A

MTD56

56-Lead Shrink Small Outline Package (SSOP), JEDEC MO-118, 0.300 Wide

56-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 6.1mm Wide

Devices also available in Tape and Reel. Specify by appending suffix letter “X” to the ordering code.

Logic Symbol

Pin Descriptions

Pin Names

Description

A_n

B_n

Side A Inputs or 3-STATE Outputs

Side B Inputs or 3-STATE Outputs

Output Enable Inputs

OE_n

CPAB_n, CPBA_nClock Pulse Inputs

SAB_n, SBA_n

DIR_n

Select Inputs

Direction Control Inputs

DS012004

www.fairchildsemi.com

12 3 4 5 6 7...10

中文翻译

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与74LCX16646MEAX相关器件

型号	品牌	获取价格	描述	数据表
74LCX16646MTD	FAIRCHILD	获取价格	Low Voltage 16-Bit Transceiver/Register with 5V Tolerant Inputs and Outputs
74LCX16646MTD	ONSEMI	获取价格	带5V容差输入和输出的低电压16位收发器/寄存器
74LCX16646MTDX	ONSEMI	获取价格	带5V容差输入和输出的低电压16位收发器/寄存器
74LCX16646MTDX_NL	FAIRCHILD	获取价格	Registered Bus Transceiver, LVC/LCX/Z Series, 2-Func, 8-Bit, True Output, CMOS, PDSO56, 6.
74LCX16652	FAIRCHILD	获取价格	Low Voltage Transceiver/Register with 5V Tolerant Inputs and Outputs
74LCX16652_01	FAIRCHILD	获取价格	Low Voltage Transceiver/Register with 5V Tolerant Inputs and Outputs
74LCX16652MEA	FAIRCHILD	获取价格	Low Voltage Transceiver/Register with 5V Tolerant Inputs and Outputs
74LCX16652MEAX	ETC	获取价格	Dual 8-bit Bus Transceiver
74LCX16652MEAX_NL	FAIRCHILD	获取价格	Registered Bus Transceiver, LVC/LCX/Z Series, 2-Func, 8-Bit, True Output, CMOS, PDSO56, 0.
74LCX16652MTD	FAIRCHILD	获取价格	Low Voltage Transceiver/Register with 5V Tolerant Inputs and Outputs

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