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DM74ALS245AN PDF预览

DM74ALS245AN

更新时间: 2024-11-04 22:56:51
品牌 Logo 应用领域
飞兆/仙童 - FAIRCHILD 总线驱动器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
6页 76K
描述
Octal 3-STATE Bus Transceiver

DM74ALS245AN 技术参数

是否Rohs认证: 符合生命周期:Obsolete
零件包装代码:DIP包装说明:0.300 INCH, PLASTIC, MS-001, DIP-20
针数:20Reach Compliance Code:unknown
HTS代码:8542.39.00.01风险等级:5.3
Is Samacsys:N其他特性:WITH DIRECTION CONTROL
控制类型:COMMON CONTROL计数方向:BIDIRECTIONAL
系列:ALSJESD-30 代码:R-PDIP-T20
JESD-609代码:e3长度:26.075 mm
逻辑集成电路类型:BUS TRANSCEIVER最大I(ol):0.024 A
位数:8功能数量:1
端口数量:2端子数量:20
最高工作温度:70 °C最低工作温度:
输出特性:3-STATE输出极性:TRUE
封装主体材料:PLASTIC/EPOXY封装代码:DIP
封装等效代码:DIP20,.3封装形状:RECTANGULAR
封装形式:IN-LINE峰值回流温度(摄氏度):NOT APPLICABLE
电源:5 V最大电源电流(ICC):58 mA
Prop。Delay @ Nom-Sup:10 ns传播延迟(tpd):10 ns
认证状态:Not Qualified座面最大高度:5.08 mm
子类别:Bus Driver/Transceivers最大供电电压 (Vsup):5.5 V
最小供电电压 (Vsup):4.5 V标称供电电压 (Vsup):5 V
表面贴装:NO技术:TTL
温度等级:COMMERCIAL端子面层:Matte Tin (Sn)
端子形式:THROUGH-HOLE端子节距:2.54 mm
端子位置:DUAL处于峰值回流温度下的最长时间:NOT APPLICABLE
翻译:N/A宽度:7.62 mm
Base Number Matches:1

DM74ALS245AN 数据手册

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September 1986  
Revised February 2000  
DM74ALS245A  
Octal 3-STATE Bus Transceiver  
General Description  
Features  
This advanced low power Schottky device contains 8 pairs  
of 3-STATE logic elements configured as octal bus trans-  
ceivers. These circuits are designed for use in memory,  
microprocessor systems and in asynchronous bidirectional  
data buses. Two way communication between buses is  
controlled by the (DIR) input. Data transmits either from the  
A bus to the B bus or from the B bus to the A bus. Both the  
driver and receiver outputs can be disabled via the (G)  
enable input which causes outputs to enter the high imped-  
ance mode so that the buses are effectively isolated.  
Advanced oxide-isolated, ion-implanted Schottky TTL  
process  
Non-inverting logic output  
Glitch free bus during power up and down  
3-STATE outputs independently controlled on A and B  
buses  
Low output impedance to drive terminated transmission  
lines to 133Ω  
Switching response specified into 500/50 pF  
Specified to interface with CMOS at VOH = VCC 2V  
PNP inputs to reduce input loading  
Switching specifications guaranteed over full tempera-  
ture and VCC range  
Ordering Code:  
Order Number  
DM74ALS245AWM  
DM74ALS245ASJ  
DM74ALS245AMSA  
DM74ALS245AN  
Package Number  
M20B  
Package Description  
20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300 Wide  
20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide  
20-Lead Shrink Small Outline Package (SSOP), EIAJ TYPE II, 5.3mm Wide  
20-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide  
M20D  
MSA20  
N20A  
Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.  
Connection Diagram  
Function Table  
Control  
Inputs  
Operation  
G
L
DIR  
L
H
X
B Data to A Bus  
A Data to B Bus  
Hi-Z  
L
H
H = HIGH Logic Level  
L = LOW Logic Level  
X = Either HIGH or LOW Logic Level  
© 2000 Fairchild Semiconductor Corporation  
DS006213  
www.fairchildsemi.com  

DM74ALS245AN 替代型号

型号 品牌 替代类型 描述 数据表
DM74ALS5245N FAIRCHILD

完全替代

Octal 3-STATE Transceiver
SN74ALS245AN TI

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OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS
SN74ALS245A-1N TI

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OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS

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