74LCX646

更新时间： 2024-11-17 04:47:47

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		总线收发器输出元件输入元件
页数	文件大小	规格书
16页	421K
描述
LOW VOLT. CMOS OCTAL BUS TRANSCEIVER/REGISTER WITH 5 VOLT TOLERANT INPUTS AND OUTPUTS(3-STATE)

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74LCX646 数据手册

74LCX646

LOW VOLT. CMOS OCTAL BUS TRANSCEIVER/REGISTER

WITH 5 VOLT TOLERANT INPUTS AND OUTPUTS(3-STATE)

■

5V TOLERANT INPUTS AND OUTPUTS

HIGH SPEED:

■

= 7.0 ns (MAX.) at V = 3V

POWER DOWN PROTECTION ON INPUTS

AND OUTPUTS

SYMMETRICAL OUTPUT IMPEDANCE:

SOP

TSSOP

T & R

|I | = I = 24mA (MIN) at V = 3V

■

PCI BUS LEVELS GUARANTEED AT 24 mA

BALANCED PROPAGATION DELAYS:

Table 1: Order Codes

PACKAGE

PLH

PHL

■

OPERATING VOLTAGE RANGE:

(OPR) = 2.0V to 3.6V (1.5V Data

SOP

74LCX646RM13TR

74LCX646TTR

TSSOP

Retention)

■

PIN AND FUNCTION COMPATIBLE WITH

74 SERIES 646

This device consists of bus transceiver circuits

with 3 state, D-type flip-flops, and control circuitry

arranged for multiplexed transmission of data

directly from the input bus or from the internal

registers. Data on the A or B bus will be clocked

into register on the low to high transition of the

appropriate clock pin (Clock AB or Clock BA).

Enable (G) and direction (DIR) pins are provided

to control the transceiver functions. In the

transceiver mode, data present at the

high-impedance port may be stored in either

select BA) can multiplex stored and real time

(transparent mode) data. The direction control

determines which bus will receive data when

enable G is active (low). In the isolation mode

LATCH-UP PERFORMANCE EXCEEDS

500mA (JESD 17)

ESD PERFORMANCE:

HBM > 2000V (MIL STD 883 method 3015);

MM > 200V

DESCRIPTION

The 74LCX646 is a low voltage CMOS OCTAL

BUS

(3-STATE) fabricated with sub-micron silicon gate

and double-layer metal wiring C MOS technology.

It is ideal for low power and high speed 3.3V

applications; it can be interfaced to 5V signal

environment for both inputs and outputs.

TRANSCEIVER

AND

Figure 1: Pin Connection And IEC Logic Symbols

Rev. 6

1/16

September 2004

12 3 4 5 6 7...16

中文翻译

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与74LCX646相关器件

型号	品牌	获取价格	描述	数据表
74LCX646_04	STMICROELECTRONICS	获取价格	LOW VOLT. CMOS OCTAL BUS TRANSCEIVER/REGISTER WITH 5 VOLT TOLERANT INPUTS AND OUTPUTS(3-ST
74LCX646CW	FAIRCHILD	获取价格	Registered Bus Transceiver, LVC/LCX/Z Series, 1-Func, 8-Bit, True Output, CMOS
74LCX646M	ETC	获取价格	Single 8-bit Bus Transceiver
74LCX646M1R	STMICROELECTRONICS	获取价格	LOW VOLT. CMOS OCTAL BUS TRANSCEIVER/REGISTER WITH 5 VOLT TOLERANT INPUTS AND OUTPUTS(3-ST
74LCX646MSA	FAIRCHILD	获取价格	Low Voltage Octal Transceiver/Register with 5V Tolerant Inputs and Outputs
74LCX646MSAX	FAIRCHILD	获取价格	Low Voltage Octal Transceiver/Register with 5V Tolerant Inputs and Outputs
74LCX646MTC	FAIRCHILD	获取价格	Low Voltage Octal Transceiver/Register with 5V Tolerant Inputs and Outputs
74LCX646MTCX	FAIRCHILD	获取价格	Low Voltage Octal Transceiver/Register with 5V Tolerant Inputs and Outputs
74LCX646MTR	STMICROELECTRONICS	获取价格	暂无描述
74LCX646RM13TR	STMICROELECTRONICS	获取价格	LOW VOLT. CMOS OCTAL BUS TRANSCEIVER/REGISTER WITH 5 VOLT TOLERANT INPUTS AND OUTPUTS(3-ST

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