Datasheet > 逻辑 > 总线驱动器/收发器> 74ABT245CMTCX

74ABT245CMTCX

更新时间： 2024-11-11 23:23:59

品牌	Logo	应用领域
飞兆/仙童 - FAIRCHILD		总线收发器
页数	文件大小	规格书
11页	121K
描述
Single 8-bit Bus Transceiver

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数据手册
替代型号

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74ABT245CMTCX 数据手册

September 1991

Revised November 1999

74ABT245

Octal Bi-Directional Transceiver with 3-STATE Outputs

General Description

Features

The ABT245 contains eight non-inverting bidirectional buff-

ers with 3-STATE outputs and is intended for bus-oriented

applications. Current sinking capability is 64 mA on both

the A and B ports. The Transmit/Receive (T/R) input deter-

mines the direction of data flow through the bidirectional

transceiver. Transmit (active HIGH) enables data from A

Ports to B Ports; Receive (active LOW) enables data from

B Ports to A Ports. The Output Enable input, when HIGH,

disables both A and B ports by placing them in a HIGH Z

condition.

■ Bidirectional non-inverting buffers

■ A and B output sink capability of 64 mA, source

capability of 32 mA

■ Guaranteed output skew

■ Guaranteed multiple output switching specifications

■ Output switching specified for both 50 pF and 250 pF

loads

■ Guaranteed simultaneous switching, noise level and

dynamic threshold performance

■ Guaranteed latchup protection

■ High impedance glitch-free bus loading during entire

power up and power down cycle

■ Non-destructive hot insertion capability

■ Disable time is less than enable time to avoid bus

contention

Ordering Code:

Order Number Package Number

Package Description

74ABT245CSC

74ABT245CSJ

74ABT245CMSA

74ABT245CMTC

74ABT245CPC

M20B

M20D

20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300” Wide Body

20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide

MSA20

MTC20

N20A

20-Lead Shrink Small Outline Package (SSOP), EIAJ TYPE II, 5.3mm Wide

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

20-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300” Wide

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

Connection Diagram

Pin Descriptions

Pin Names

Description

Output Enable Input (Active LOW)

Transmit/Receive Input

T/R

A₀–A₇

B₀–B₇

Side A Inputs or 3-STATE Outputs

Side B Inputs or 3-STATE Outputs

DS010945

www.fairchildsemi.com

12 3 4 5 6 7...11

中文翻译

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74ABT245CMTCX 替代型号

型号	品牌	替代类型	描述	数据表
74ABT245PW,118	NXP	功能相似	74ABT245 - Octal transceiver with direction pin (3-State) TSSOP2 20-Pin
SN74ABT245BPWG4	TI	功能相似	OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS
SN74ABT245BPWRE4	TI	功能相似	OCTAL BUS TRANSCEIVERS WITH 3 STATE OUTPUTS

与74ABT245CMTCX相关器件

型号	品牌	获取价格	描述	数据表
74ABT245CMTCX_NL	FAIRCHILD	获取价格	Octal Bi-Directional Transceiver with 3-STATE Outputs
74ABT245CMTCX-NL	FAIRCHILD	获取价格	Octal Bi-Directional Transceiver with 3-STATE Outputs
74ABT245CPC	FAIRCHILD	获取价格	Octal Bi-Directional Transceiver with 3-STATE Outputs
74ABT245CPCQR	ETC	获取价格	Single 8-bit Bus Transceiver
74ABT245CPCQRX	NSC	获取价格	IC,BUS TRANSCEIVER,SINGLE,8-BIT,BICMOS-TTL,DIP,20PIN,PLASTIC
74ABT245CPCX	NSC	获取价格	IC,BUS TRANSCEIVER,SINGLE,8-BIT,BICMOS-TTL,DIP,20PIN,PLASTIC
74ABT245CSC	FAIRCHILD	获取价格	Octal Bi-Directional Transceiver with 3-STATE Outputs
74ABT245CSC_NL	FAIRCHILD	获取价格	Bus Transceiver, ABT Series, 1-Func, 8-Bit, True Output, BICMOS, PDSO20, 0.300 INCH, LEAD
74ABT245CSCQR	NSC	获取价格	IC,BUS TRANSCEIVER,SINGLE,8-BIT,BICMOS-TTL,SOP,20PIN,PLASTIC
74ABT245CSCQRX	NSC	获取价格	IC,BUS TRANSCEIVER,SINGLE,8-BIT,BICMOS-TTL,SOP,20PIN,PLASTIC

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