74LVXC4245MTCX_NL

更新时间： 2024-11-15 13:02:35

品牌	Logo	应用领域
飞兆/仙童 - FAIRCHILD		/
页数	文件大小	规格书
8页	85K
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中文翻译

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数据手册

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February 1994

Revised October 2003

74LVXC4245

8-Bit Dual Supply Configurable Voltage Interface

Transceiver with 3-STATE Outputs

General Description

The LVXC4245 is a 24-pin dual-supply, 8-bit configurable

voltage interface transceiver suited for PCMCIA and other

real time configurable I/O applications. The V_CCApin

Features

■ Bidirectional interface between 5V and 3V-to-5V buses

■ Control inputs compatible with TTL level

■ Outputs source/sink up to 24 mA

accepts a 5V supply level. The “A” Port is a dedicated 5V

port. The V_CCBpin accepts a 3V-to-5V supply level. The

■ Guaranteed simultaneous switching noise level and

dynamic threshold performance

“B” Port is configured to track the V_CCBsupply level

respectively. A 5V level on the V_CCpin will configure the

I/O pins at a 5V level and a 3V V_CCwill configure the I/O

pins at a 3V level. This device will allow the V_CCBvoltage

■ Implements patented EMI reduction circuitry

■ Flexible V_CCBoperating range

■ Allows B Port and V_CCBto float simultaneously when OE

is HIGH

source pin and I/O pins on the “B” Port to float when OE is

HIGH. This feature is necessary to buffer data to and from

■ Functionally compatible with the 74 series 245

PCMCIA socket that permits PCMCIA cards to be

inserted and removed during normal operation.

Ordering Code:

Order Number Package Number

Package Description

74LVXC4245WM

74LVXC4245QSC

74LVXC4245MTC

M24B

MQA24

MTC24

24-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300" Wide

24-Lead Quarter Size Outline Package (QSOP), JEDEC MO-137, 0.150" Wide

24-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide

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

Logic Symbol

Connection Diagram

Pin Descriptions

Pin Names

Description

Output Enable Input

Transmit/Receive Input

T/R

A₀–A₇

B₀–B₇

Side A Inputs or 3-STATE Outputs

Side B Inputs or 3-STATE Outputs

DS012009

www.fairchildsemi.com

12 3 4 5 6 7 8

中文翻译

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与74LVXC4245MTCX_NL相关器件

型号	品牌	获取价格	描述	数据表
74LVXC4245MTR	STMICROELECTRONICS	获取价格	OCTAL DUAL SUPPLY BUS TRANSCEIVER
74LVXC4245QSC	FAIRCHILD	获取价格	8-Bit Dual Supply Configurable Voltage Interface Transceiver with 3-STATE Outputs
74LVXC4245QSC	ONSEMI	获取价格	带 3 状态输出的 8 位双电源可配置电压接口收发器
74LVXC4245QSCX	FAIRCHILD	获取价格	8-Bit Dual Supply Configurable Voltage Interface Transceiver with 3-STATE Outputs
74LVXC4245QSCX	ONSEMI	获取价格	带 3 状态输出的 8 位双电源可配置电压接口收发器
74LVXC4245QSCX_NL	FAIRCHILD	获取价格	Bus Transceiver, LV/LV-A/LVX/H Series, 1-Func, 8-Bit, True Output, CMOS, PDSO24, 0.150 INC
74LVXC4245T	STMICROELECTRONICS	获取价格	暂无描述
74LVXC4245TTR	STMICROELECTRONICS	获取价格	OCTAL DUAL SUPPLY BUS TRANSCEIVER
74LVXC4245WM	FAIRCHILD	获取价格	8-Bit Dual Supply Configurable Voltage Interface Transceiver with 3-STATE Outputs
74LVXC4245WM_NL	FAIRCHILD	获取价格	Bus Transceiver, LV/LV-A/LVX/H Series, 1-Func, 8-Bit, True Output, CMOS, PDSO24, 0.300 INC

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