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DM74ALS244AN PDF预览

DM74ALS244AN

更新时间: 2024-11-11 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 Driver

DM74ALS244AN 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:5.32
Is Samacsys:N控制类型:ENABLE LOW
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 DRIVER最大I(ol):0.024 A
位数:4功能数量:2
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):27 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
宽度:7.62 mmBase Number Matches:1

DM74ALS244AN 数据手册

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September 1986  
Revised February 2000  
DM74ALS244A  
Octal 3-STATE Bus Driver  
General Description  
Features  
This octal 3-STATE bus driver is designed to provide the  
designer with flexibility in implementing a bus interface with  
memory, microprocessor, or communication systems. This  
device offers 64-extended temperature Grade product  
guaranteeing performance from 40°C to +85°C. The out-  
put 3-STATE gating control is organized into two separate  
groups of four buffers, and both control inputs enable the  
respective outputs when set logic LOW. The 3-STATE cir-  
cuitry contains a feature that maintains the buffer outputs in  
3-STATE (high impedance state) during power supply  
ramp-up or ramp-down. This eliminates bus glitching prob-  
lems that arise during power-up and power-down.  
Advanced low power oxide-isolated ion-implanted  
Schottky TTL process  
Functional and pin compatible with the 74LS counterpart  
Improved switching performance with less power dissi-  
pation compared with the 74LS counterpart  
Switching response specified into 500and 50 pF load  
Switching response specifications guaranteed over full  
temperature and VCC supply range  
PNP input design reduces input loading  
Ordering Code:  
Order Number  
DM74ALS244AWM  
DM74ALS244ASJ  
DM74ALS244AMSA  
DM74ALS244AN  
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  
Logic Diagram  
Function Table  
Input  
Output  
G
L
A
L
Y
L
L
H
X
H
Z
H
H = HIGH Level Logic State  
L = LOW Level Logic State  
X = Don't Care (Either LOW or HIGH Level Logic State)  
Z = High Impedance (OFF) State  
© 2000 Fairchild Semiconductor Corporation  
DS006212  
www.fairchildsemi.com  

DM74ALS244AN 替代型号

型号 品牌 替代类型 描述 数据表
DM74ALS244AN TI

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ALS SERIES, DUAL 4-BIT DRIVER, TRUE OUTPUT, PDIP20, 0.300 INCH, PLASTIC, DIP-20
SN74ALS244CNE4 TI

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OCTAL BUFFERS AND LINE DRIVERS WITH 3-STATE OUTPUTS
SN74ALS244C-1N TI

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OCTAL BUFFERS AND LINE DRIVERS WITH 3-STATE OUTPUTS

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